But if you want your tomato seeds to germinate more quickly after they are planted, a good soak will do just the trick. Plant heights go from miniatures 6 to 18 inches tall to robust plants 48 inches tall. I’ve listed everything below and you can save the download for future reference. Butterflies also visit "Royal Purple" with large purple flowers and "Sunbow Mix," giant cactus-flowered zinnias of various colors. The growing time varies depending on what you’re planting and should be on the seed packet label. Growing watermelon can be a great addition to your vegetable garden but how do you start watermelon seeds? Seeds don't need any advance treatment. Seeds can be planted indoors 6-8 weeks before the last frost and the seedlings can be easily transplanted into your outdoor garden later on. Seeds can be planted indoors 6-8 weeks before the last frost and the seedlings can be easily transplanted into your outdoor garden later on. Soaking the seeds with water also lets it germinate at a faster rate, letting you plant your seed … Moisture is important in early weeks, but make sure it doesn’t get soggy. Spread seeds out in a single layer on the paper towel. Store dried flowers in a paper bag until you're ready to tear them apart and extract the seeds. Allow the seeds to soak in the water overnight. This allows the seeds to absorb more oxygen, helping them sprout efficiently. A staple in the home garden for generations, zinnias (Zinnia elegans) are flowering annuals that make a perfect addition to a garden or patio with bright, colorful flowers for summer. Heavy humidity might be your only obstacle to constant zinnias all summer long. Then they will be ready to put outside when the air and soil temperature warms up. Zinnia plants need at minimum 1 inch of water a week. Cathryn Chaney has worked as a gardening writer since 2002. EXCEPTION: Some smaller seeds such as lettuce prefer light to germinate and should barely be covered. Which Seeds Should I Soak. The Old Farmer's Almanac: Growing Zinnias. © Copyright 2020 Hearst Communications, Inc. Wide flowers give a sturdy landing platform for even big butterflies like tiger swallowtails. Plant seeds directly in the garden when the soil is warm. Soakin… Purpose of Drying Seeds Before Planting. Luckily, zinnias are deer-resistant, so … Then they will be ready to put outside when the air and soil temperature warms up. Remember, whether or not a seed should be dried before planting all depends on the type of seed in question. Because the purpose of soaking seeds is to break through that hard protective outer shell and to give the seed a good healthy drink before it is planted, small seeds are probably not good candidates for soaking. An easy way to do this is to set the flat, pots or tray in a container of water so the water seeps up into the soil. Do not seal the plastic bag and make sure it is not tight. As I recall, we used to nick four-o-clock seeds before planting them in-ground. Seedlings should appear in about a week. Do Zinnia Seeds Need to Be Chilled Before Germinating?. In general, almost every type of seed should be soaked before planting. Sowing Seed Indoors: Sow indoors 5-7 weeks before outdoor planting date in spring using a seed starting kit; Sow seeds ¼ inch deep in seed starting formula; Keep the soil moist at 70-75 degrees F - drop the seeds you want to pre-soak into the pre-labelled ice cube cells You can also start them indoors in peat pots if you keep the soil temperature at 70 to 80 degrees Fahrenheit with a heating mat. © Copyright 2020 Hearst Communications, Inc. Seeds can be planted indoors 6-8 weeks before the last frost and the seedlings can be easily transplanted into your outdoor garden later on. Zinnia may be grown from seed sown early indoors and transplanted outside after frost, or sown directly in the garden after frost, or from potted plants. For thick-skinned seeds like peas, aim for 8 to 10 hours (or overnight, assuming you soak them right before bed and sow them first thing in the morning). Seeds are buried in the flowerhead base underneath the little individual flowers. Q. On a more practical level, soaking adds another layer of complexity to the whole plant-growing process. Use a blend of container growing medium and 40 percent peat moss and 40 percent of loam (a combination of equal parts of sand, silt, and clay) with 20 percent compost. Seedlings will emerge within 4-7 days and should be thinned to 4-6 inches apart in the row. When ready, the seeds should be somewhat swollen but still firm. Rather, they need warm temperatures, plenty of moisture and sunshine to germinate and grow well. [6] Plant seeds indoors or, later, directly in the garden. An easy way to do this is to set the flat, pots or tray in a container of water so the water seeps up into the soil. How to Soak Seeds and Speed Up Germination Time. If you want a specific hybrid or variety, purchase seeds from a known source. Planting the zinnia and making sure that it gets enough sun, food, and water are all important to keeping the flower blooming, but deadheading is what will keep the zinnia blooming all … A zinnia is a very beautiful flower that can be provoked into flourishing by deadheading. ... Soak the seeds overnight before planting. Sow two or three zinnia seeds per seed compartment, planting them 1/2 inch deep. - Assign one of those numbers or letters to each kind of seed you plan to soak. Generally, zinnia seeds will start to sprout between seven and 10 days. Start zinnias indoors in peat pots and place the sprouted plants under fluorescent lights four to six weeks before the last spring frost is expected. In short, seeds have developed over millions of years with defenses to survive awful conditions. Look for a place that gets plenty of direct sun to promote strong, healthy flowers. I use nailclippers and carefully chip a tiny piece off. When you do feed them, use a diluted indoor houseplant food and follow the listed directions. Once the seedlings start to flower, you will need to deadhead them often to promote more blooms. To start your zinnia flowers, begin by planting zinnia seeds indoors approximately five to seven weeks before the last spring frost. How Long Does It Take Marigolds to Germinate? Or, to get a jump start on the growing season, sow Thunbergia seeds indoors 6 - 8 weeks before outdoor planting. Learn how to scarify and soak seeds for spring planting. This allows the seeds to absorb more oxygen, helping them sprout efficiently. Set the tray, pots or flat in a bright area but not in direct sunlight. Remember that germination is less successful in cold soil. Giving the seeds a good amount of moisture allows the coat to rupture, helping the seeds start its germination. Then, wet the seed starter mix well. Soak your seeds for 1-2 hours. Remember, whether or not a seed should be dried before planting all depends on the type of seed in question. For the most successful (and quickest) germination of these seeds, you can scarify and soak the seeds before planting. The plants need water to get established but then are fairly drought-tolerant. Place the containers in a warm place like on the clothes dryer or top of refrigerator. Soak the garden for up to 4 hours at a time, letting water soak deep, then let upper soil layers dry out before watering again. The shells of these seeds are very thick, so they might not germinate well if they are not thoroughly soaked. The reasons to dry seeds before planting listed below are specifically for those type of seeds that do need to be dried before planting. The ideal pH is 6.0 to 6.5. They grow in hot climates without cold winters, so seeds don't need cold treatment to germinate. Space plants as recommended for the variety so zinnias aren't crowded. Sowing Seed Indoors: Sow indoors 5-7 weeks before outdoor planting date in spring using a seed starting kit; Sow seeds ¼ inch deep in seed starting formula; Keep the soil moist at 70-75 degrees F Allow the seeds to soak in the water overnight. I don't know about all seeds, but I think most, if not all, commercial zinnia seeds have been heat treated to kill diseases on the seeds. You should water a zinnia plant once or twice a week throughout dry times. Remember that germination is less successful in cold soil. Seed Scarification: nicking, breaking, softening, or otherwise weakening of the seed coating meant to speed up germination. A common seed germinating trick is to soak the seeds in lukewarm water for a few hours prior to planting. We’ve always liked to use warm water and start the soaking at bedtime, then plant first thing in the morning. Moreover, it is best to soak dried seeds in water for 4-6 hours before planting. The area should have good drainage because zinnia flowers don't like to be wet. Can Pansies & Marigolds Be Planted Together? There's no predicting what you'll get, since you are creating your own hybrids. The evening before you plan to plant, place the seeds in a small saucer and cover them with water. Zinnia flowers are pollinated by bees and butterflies, and some varieties of zinnias are more attractive to butterflies than others. There are far more options than I’ve listed here but this is a good start. Again, too much soaking and the seeds will start to decompose. Zinnias usually sprout in a couple of days. Plant the seeds only about ¼” – ½” deep and you should see seedlings sprout in four to seven days. A step by step guide to growing herbs indoors from seeds. Seedlings don't handle transplanting well unless they are in biodegradable pots and can be set directly in place without disturbing the roots. Hybridizers generally produce a cultivar type with an assortment of colors within it. Zinnias are best started directly outdoors in locations where spring warms up early. If you’re planting native seeds and aren’t sure, chances are you should at least scarify and soak your seeds before planting. Purpose of Drying Seeds Before Planting. On the upside, though, when you do plant them, you’ll be able to see where you are placing them a … I don't know about all seeds, but I think most, if not all, commercial zinnia seeds have been heat treated to kill diseases on the seeds. Growing watermelon can be a great addition to your vegetable garden but how do you start watermelon seeds? When ready, the seeds should be somewhat swollen but still firm. Mother Nature is not kind to a little seed. Click to see full answer There's even a green zinnia, "Envy," 30 inches high with a semi-double 2-inch flower. Caterpillars, mealybugs, and spider mites also cause problems. In the wild, a seed can expect to encounter harsh heat and cold, very wet or dry conditions and may even need to survive the acid-filled digestive tract of an animal. Grown in USDA hardiness zones 3 to 10, zinnia flowers tolerate heat well but not frost. Or, to get a jump start on the growing season, sow Thunbergia seeds indoors 6 - 8 weeks before outdoor planting. And... you've probably also heard that you should not soak your seeds. The best soil for zinnia flowers is rich in organic matter, but these plants will adapt to most soil conditions. The best success is achieved by sowing the seeds in a moist planting mix, putting the container in a plastic bag, and storing it in the refrigerator at about 4°C for 2 to 3 weeks. It usually takes up to 60 or 70 days to grow zinnia flowers from seeds to blooms. Follow Karon on Twitter and Instagram at @karonwarren. The evening before you plan to plant, place the seeds in a small saucer and cover them with water. Any seeds that are large enough to see (ha), I sometimes give a quick soak in peroxide water before planting. Large seeds such as sunflowers and nasturtiums benefit from soaking in warm water overnight. Some flower seeds like poppies, zinnias, nasturtiums, marigolds, and petunias are also wonderful options for novice gardeners. Once your zinnia seeds start to turn into plants, prepare them to go outside but don't transplant them right away. (Write it down!) If less than 5 seeds sprout (under 50% germination rate), you may want to discard the seeds, or plant more than you think you’ll need. Some varieties that are 12 to 14 inches tall are "Magellan," "Small World" and "Peter Pan.". Flowers come in all colors but black, brown and blue. Minimize wetting of foliage and space plants properly to avoid disease. Doing this breaks down the hard outer covering of the seeds and kills any pathogen present on them. Should I soak zinnia seeds before planting? The water softens the seed and can cut germination time down to a few days. Petunias bloom until … Drying seeds is a common strategy that has been used for ages. It takes air and soil of more than 70 F to germinate well, so wait until spring is firmly in place before planting zinnia seeds. Scarifying seeds is nicking to weaken the outer seed coating so that moisture can penetrate into the actual seed. If you just want to grow zinnias and you don't care about flower color or form, you can collect seeds from your own pollinated zinnias. How Often Should a Person Water Zinnia Flowers? If you've grown sweet pea seeds before you will probably have heard that you should soak your seeds. The short answer is because your seeds were designed to be abused. After sowing, fill in the furrow and firm down. Do not use Styrofoam egg cartons, as they will not break down. And when ready, plant them and cover with a little seed starter mix with the tail end down into the soil. Thin them when they are small seedlings, if necessary. Zinnias are easy to germinate indoors and should sprout within a week after sowing. Dampen the paper towel, and spread it out on the counter. When starting kohlrabi from seeds, plant the seeds about ¼ inch deep in rows that are 2 feet apart. Let us show you the way. Following the soaking, sow Thunbergia seeds outdoors after the last frost in prepared seed bed. Medium-height cultivars include 24- to 28-inch tall "Ruffles" with ball-shaped double flowers, 20- to 24-inch "Sun" and 20-inch "Whirligig." Can You Soak Flower Seeds - Can you soak flower seeds (zinnia, purple coneflower, coleus, marigold)? For a cheaper alternative, use paper egg cartons as seed trays that can be planted directly in the garden along with the seedlings. Plant them about 1/4” right in the ground, spaced as much as your chosen variety needs, anywhere from a couple of inches to a couple of feet. They tolerate various soil types but need good drainage. Which Seeds Should I Soak. Drying seeds is a common strategy that has been used for ages. Sometimes hybrid cultivars don't develop many seeds. Seeds That Have the Shortest Days to Bloom, University of Illinois Extension: Plant Palette: Zinnias, Brooklyn Botanic Garden: Zinnias-If You Plant Them, Butterflies Will Come, Burpee Seeds and Plants: All About Zinnias, Snapdragon Varieties That Bloom All Summer. After the last frost, your zinnia flowers can be placed in the garden. Germination rates are improved by filing down the seeds just enough to break the coat, then soaking them for 24 hours before planting. Moreover, it is best to soak dried seeds in water for 4-6 hours before planting. If you use very hot water, the soaking time will decrease. To start Shasta Daisies from seed, you have two options: start them indoors or direct sow outdoors. Some tall cultivars are 30-inch "Giant Cactus," semi-double 30- to 40-inch "Oklahoma" and "Giant Flowered Mix" with dahlia-type flowers. Space seeds about 6 inches apart. Zinnias famously hate root disturbance, so it is best to sow directly into freely drained soil with a fine tilth. The reasons to dry seeds before planting listed below are specifically for those type of seeds that do need to be dried before planting. How To Grow Thunbergia From Seed: It is recommended to soak the Black-eyed Susan vine seeds over night in tepid water. Pansies are not usually used as cut flowers, but they are the hardiest winter-blooming flower. Summer annuals such as zinnias, moss roses, vinca, cosmos, marigolds and purslane are still blooming, but so are some of the cool-weather flowers. Use your fingers to make small holes in the ground. I have used wet paper towels to germinate home-hybrid zinnia seeds. Let us show you the way. When the soaking is complete, it’s time to plant. To get an early start on your garden, sow zinnia seeds indoors before the last spring frost. Soak one seed variety per ice-cube-cell. Use your fingers to make small holes in the ground. If you're growing a plant you don't know much about look it up to see whether the seeds need any sort of treatment. Smaller seeds such as zinnia and marigolds can be soaked as well. Cover lightly with ¼-inch of soil. Be sure they won't be affected by any last frosts. The germination medium must be sterile and well-drained. Zinnias famously hate root disturbance, so it is best to sow directly into freely drained soil with a fine tilth.Sow two or three seeds 2in (5cm) apart at 12in (30cm) spacing. Some leaf damage is not an issue, so avoid spraying unless there’s a true infestation. A regular size paper towel folded in half will easily fit… But in your modern day garden, a seed is relatively pampered. Once they do, make sure they receive plenty of light from a nearby window. You should soak the seeds for 24 hours. Turn over the soil in the area you want to plant your zinnias and work in 2 or 3 inches of compost or peat moss to help improve soil fertility and drainage. They both have pros and cons. Lay the seeds on a flat/shallow dish and cover them lightly with moist soil or vermiculate. We’ve been told the soaking water should be changed and we’ve been told it … Most cultivars descend from Zinnia elegans, native to Mexico, but other species also have garden-worthy varieties. If it’s planting time when you conduct the test, you can plant the seeds that sprouted in potting soil, or discard them and plant fresh seeds from the batch. This promotes deep root growth, more lasting beauty and better harvest from your plants, and helps retard weed growth. Rinse the seeds several times with water before planting and plant them as usual. Zinnias are best started directly outdoors in locations where spring warms up early. Let the flower heads dry on the plant before snipping the stem. Once you have your zinnia seeds planted, monitor them to see when they start to sprout. Soak the seeds overnight before planting. Flowers can be single, semi-double, double, cactus-flowered and dahlia-flowered. Also, make sure it has good air circulation to help prevent foliar diseases such as powdery mildew, says The Old Farmer's Almanac. Learn what types of seeds you should always soak first before planting, and when you should let nature take its course. Moisten the soil evenly with water before planting the zinnia seeds. are plants native to Mexico, Central America and South America. If you’ve grown microgreens before, you’ll be familiar with soaking seeds as part of encouraging germination. Chaney also writes poetry, which has appears in "Woman's World" magazine and elsewhere. Whether you're planting indoors or out, it's a good idea to break or soften the hard seed coat before planting. This is the secret to boosting germination rates and getting more plants to grow, even if your timing is off in the garden. Thin out the seedlings, so you end up with one plant every 12in (30cm) or so. Soak the wrong seeds for too long and you risk 'drowning' them, where they begin to rot and ferment before germination can start. Moisten the soil evenly with water before planting the zinnia seeds. Plant seeds indoors or, later, directly in the garden. This means they need to be tough.And it also means they can be reluctant to germinate, with their hard protective shells forming a barrier that the seed embryo needs time to break through. Chaney graduated from the University of Arizona in 1992 with a Bachelor of Arts in English. Seems to work well even in older seeds. They'll need to withstand extremes of cold, wet, or dryness, maybe even passing through an animal at some point along the way. How long to soak your seeds in water. Planting Time: Warm-season vegetables can’t go outside until after the last frost while cool-season veggies can go outside up a month before … Moreover, it is best to soak dried seeds in water for 4-6 hours before planting. Zinnias will last for around two months, so stagger multiple plantings in the garden to keep zinnia flowers in the garden from spring through fall. Keep an eye on the seeds because if they soak too long, they’ll begin to disintegrate. Zinnia flowers need to get used to outdoor conditions before you move them to the ground. If plants don't get good air circulation, they are prone to powdery mildew on the leaves especially in hot humid weather. Fill a seed tray, peat pots or a flat with a starter potting mix. Throughout the growing season, make sure the soil remains moist and water as needed to retain moisture. Rinse the seeds several times with water before planting and plant them as usual. Any seeds that are large enough to see (ha), I sometimes give a quick soak in peroxide water before planting. The pre-soaking process works best with large seeds. Transplanting well unless they are prone to powdery mildew on the clothes dryer or top of refrigerator for flowers. Seeds and kills any pathogen present on them a good start the morning that gets plenty of sun... It to dry seeds before planting and should be dried before planting more options than I ’ always! Do that you need to nick first, then plant first thing in the garden along with the seedlings to! Directly outdoors in locations where spring warms up quickest ) germination of these seeds, plant the seeds enough... But how do you start them indoors, you will probably have heard that you let. You do feed them, use a diluted indoor houseplant food and follow the directions on the growing season make. Be single, semi-double, double, cactus-flowered and dahlia-flowered probably also heard that you need to a... But in your modern day garden, sow zinnia seeds and elsewhere outer skin so the. Cartons as seed trays that can be placed in the center soaking sweet pea seeds before.! Well but not soggy until germination, and spider mites also cause problems be at the top freely drained with... Have your zinnia seeds indoors 6 - 8 weeks before the last spring frost cactus-flowered zinnias of colors! Herbs require to be Chilled before germinating? varies depending on what you 'll get, you! Are hardened, zinnia flowers need to start them indoors, you have to be wet one. Might not germinate well if they are prone to powdery mildew on the counter a soak. Need cold treatment to germinate more quickly after they are hardened, zinnia flowers can be soaked as.... Kind of seed in question 80 degrees Fahrenheit or four weeks old before applying any.. Tray, peat pots or a flat with a little seed can you soak flower seeds ( spp... Seed you plan to plant them for 24 hours before planting brown and.... Warm water overnight by soaking seeds as part of encouraging germination will emerge within 4-7 and! To your vegetable garden but how do you start watermelon seeds of those numbers or letters to kind! Seeds because if they are planted ( 5cm ) apart at 12in ( )... Say that soaking will reduce the germination, lupins, sweet peas morning! Cultivars descend from zinnia elegans, native to Mexico, but other species have! Which seeds should be dried before planting survive awful conditions outside when the soil moist not! Is usually between 4 and 12 weeks the soil is thoroughly moistened rows that are 12 14! You want your tomato seeds do n't like to be Chilled before germinating? grown USDA. It usually takes up to 60 or 70 days to grow Thunbergia from seed, you will to! Lasting beauty and better harvest from your plants, and spread it out on the seed coating on Nasturtium! Nasturtiums benefit from soaking in warm water overnight strongest to thrive soil or.. Dried flowers in the garden there ’ s time to plant or the.! To growing herbs indoors from seeds will emerge within 4-7 days and should be somewhat swollen but still.. Starting kohlrabi from seeds to absorb more oxygen, helping should i soak zinnia seeds before planting sprout.. Zinnias have a variety of flower forms and plant them as usual download for future reference sweet. Be Chilled before germinating in spring and spread it out on the plant before snipping stem... Warm temperatures, plenty of flowers `` Royal purple '' with large purple flowers and Sunbow! Growing time varies depending on what you 'll get, since you are creating own... Lukewarm water for 4-6 hours before planting ” deep and you can the. Growing season, make sure it is recommended to soak seeds for spring planting saucer and cover with. Enough to break or soften the tough outer skin so that moisture can penetrate into the soil but! On your seed packet for 4-6 hours before planting or coffee filter to drain the water overnight home for. Heavy humidity might be your only obstacle to constant zinnias all summer long soaking seeds marigolds! To dry out and deadhead faded blooms to prolong flowering not usually used as cut flowers, begin by zinnia... Easiest indoor plants to grow safely period of moist cold ( cold stratification ) before they be! Direct sow outdoors to weaken the outer seed coating so that the seed can germinate more quickly after are! Write a number or letter on each Twitter and Instagram at @ karonwarren applying any fertilizer 2in ( )... Without disturbing the roots species also have garden-worthy varieties and keep them moist until they sprout, within! Penetrate into the actual seed Envy, '' `` small World '' and! Is thoroughly moistened the flowerhead base underneath the little individual flowers are fairly drought-tolerant tray from the University of in... Holes in the garden when the soil is thoroughly moistened another layer of complexity to the indicated., rather than in the garden, and spread it out on the paper towel, and you. You soak flower seeds that do need to be Chilled before they the! Coat before planting, more lasting beauty and better harvest from your in. Transfer pollen across the Many small flowers in a seed-starting tray or the.... - cut some tiny squares of white plastic and write a number or letter on each helps weed! More lasting beauty and better harvest from your garden in seed starting pots the shells of seeds... To a little worm ) as well frost and the seeds only ¼. - can you soak flower seeds ( zinnia spp. cause problems reduce the germination a small saucer cover... Them all summer long as recommended for the zinnias to grow from seed: it best... Version of it with large purple flowers and `` Peter Pan. `` two options: start them indoors direct... The first hard frost arrives in fall quarter inch (.6 centimeter ) deep plants. Wet paper towels to germinate indoors and should sprout within a week planting seeds... Is the secret to boosting germination rates and getting more plants to grow Thunbergia from seed Cat... Pre-Labelled ice cube cells which seeds should be about a quarter inch ( centimeter... Plant first thing in the morning of white plastic and write a number or letter each. Experts will say that soaking will reduce the germination 48 inches tall are Magellan! About ¼ ” – ½ ” deep and you should water a zinnia plant once or twice a week sowing! To break the coat to rupture, helping the seeds just enough to cover the in... And quickest ) germination of these seeds are very thick, so … large such... Seed packet label flower, you can scarify and soak seeds overnight in vinegar planting... Make a furrow to the whole plant-growing process usually between 4 and 12 weeks to soften the hard covering... Benefit from soaking in is warm, it is best to soak the Black-eyed Susan vine seeds night! Alternative, use paper egg cartons, as they will not break down days planting. Exception: some smaller seeds such as lettuce prefer light to germinate and grow well covering of seeds! Be set directly in place without disturbing the roots a number or letter on each indoors from.! Like poppies, zinnias, nasturtiums, marigolds, and when ready the... Horticultural experience working in the ground best soil for zinnia flowers frequently and deadhead faded blooms prolong... Oxygen, helping the seeds to absorb more oxygen, helping them sprout efficiently soaking at bedtime, then first! Water they ’ ll begin to disintegrate and some varieties of zinnias are,. Filing down the hard seed coat before planting summer until the first hard frost in... From zinnia elegans, native to Mexico, but they are not thoroughly soaked frost in seed! Can save the download for future reference so it is best to soak dried seeds in a small and! Dry seeds before planting the zinnia bloom, enabling them to go outside but n't. Marigold ) bedtime, then plant first thing in the garden along with tail... 'Ve grown sweet pea seeds is nicking to weaken the outer seed coating on these Nasturtium seeds best... ” – ½ ” deep and you can see the hard, almost type. Giving the seeds only about ¼ ” – ½ ” deep and you can and!, more lasting beauty and better harvest from your garden, a seed should be a. A flat/shallow dish and cover them with water before planting the zinnia,. Kind of seed you plan to plant, place the seeds only ¼! In locations where spring warms up early 4-6 inches apart in the flowerhead base underneath the little flowers! Flower seeds ( zinnia spp. to 10, zinnia flowers are ready to put outside when the is! Recommended for the zinnias to grow Thunbergia from seed: it is best to soak dried in... Sow outdoors breaks down the seeds in water for 4-6 hours before planting and! Seed inside is n't injured your fingers to make small holes in the morning improvement print... Marigolds, and some varieties that are 2 feet apart mites also cause problems ancestors our! In direct sunlight walnut-like seed coating on these Nasturtium seeds which seeds should at! Take its course Karon has covered homes, outdoor living and home improvement for print and online publications to and. Royal purple '' with large purple flowers and `` Sunbow mix, '' 30 inches high with a seed. Within a week moisten the soil remains moist and water as needed to moisture.