This annual can grow from 6 to 12 inches long and can bloom during Summer and Fall. Provide a way to raise the lights as the plants grow, keeping them about 3 to 4 inches above the tops of the plants. Garden Design with Zinnias The vibrant, tropical colors of zinnias work well in a hot border, picking up the hues of other reds and oranges. Harvest the seeds to plant in your garden next season and to share with friends. Zinnias are usually fairly easy to grow as long as their basic requirements are met: full sun, a reasonably rich soil and adequate moisture. Plant zinnias with enough space so air circulates freely, which can help prevent disease, and use drip systems instead of overhead sprinklers when watering to keep the leaves dry. The colors range from pale to vibrant, in an assortment of just about every color except blue. Cut the flower at the end of the stem when harvesting. Your email address will not be published. When the young zinnia plant is 6-8 inches tall, cut the central stem just above 2-3 side shoots. Hello Angela, I really enjoyed reading your article about growing zinnias, I found it very helpful. Zinnias grow quickly from seed sown in the garden and bloom within six to eight weeks. Mine are in full sun with about 15 inches of good soil. How to Start Zinnia Seeds As a full sunflower that likes warm weather, zinnias need the air and soil to be warmed to the 70s F to germinate and begin to thrive. Flower farmers will attest that zinnias with their brilliant colors, easy care and long vase life are one of the most profitable flowers to grow. ", Temperature Tolerances for Gerbera Daisies. If you're interested in gardening as a hobby, zinnias are a fun addition to any garden. Flowers come in vivid colours from red, orange and deep pink to green, with a lovely long flowering season from summer to the first frosts. Zinnias are tough plants when it comes to drought and soil tolerance, but they don't take well to transplanting. Zinnias are mostly annual plants, popular because of the colourful, daisy-like flowers.Native to Mexico, there are 18 species and hundreds of cultivated forms, which are grown as annual bedding plants. . If you have purchased zinnias from a local nursery and been disappointed with the results, instead. Although Zinnias are adaptable, they grow best in soil that is slightly acidic in nature with a pH between 5.5 and 7.5. How Much Water Should You Use to Water Zinnias? Zinnias grow quickly from seed sown in the garden and bloom within six to eight weeks. Julie Christensen is a food writer, caterer, and mom-chef. Disclaimer: this post contains affiliate links. With that being said, the amount of time that someone can spend keeping the blooms of a zinnia alive is going to be somewhere between 60 days and about five months. Learn how to grow low-maintenance zinnias and add a long-lasting pop of color to your garden during even the hottest months of the year. Learn more here. Hi. Cold temperature causes them to die out. This article will show you how to properly do it. This early pruning encourages multiple stems rather than one. You can also, To start zinnias from seed (indoors or outside), poke the pointy end of the seed into the soil and then cover it. Zinnias come in a rainbow of colors. Most plants require a dark period to grow, do not leave lights on for 24 hours. Zinnias Zinnias are quite hardy despite the delicate flowers they produce. I’ve had the most success starting zinnias indoors in seed trays just a few, . They work great in a flower bouquet! How to Grow a Craspedia Globosa or Drumstick Flower, FIne Gardening: Bold and Beautiful Zinnias, Cornell University Growing Guide: Zinnias. But, they do best when daytime temperatures are around 74 to 84 degrees. Depending on the climate, planting site and variety, the zinnias should bloom anywhere from several weeks to several months. Hi! Required fields are marked *. Seedlings do not need much fertilizer, feed when they are 3-4 weeks old using a starter solution (half strength of a complete indoor houseplant food) according to manufacturer’s directions. Shorter zinnias make great flowers for edging, windowboxes, and other containers. There are several possibilities I can think of right away: one is that they are still too young to bloom, another is that they are not receiving enough sunlight, and the third is that they have been provided with too much nitrogen. Posted in All Gardening Advice, Annuals, March, April, May, June, on 1st March 2020. Let the flower head dry completely on the plant. To start zinnias from seed (indoors or outside), poke the pointy end of the seed into the soil and then cover it lightly with soil. Most zinnias take 75 to 90 days to bloom from seed, so a late-May planting will flower in August. See my disclosure policy for more information. Place the pots under fluorescent grow lights as soon as seeds germinate, in about 10 days. Spray infected plants every day with a solution of 1 tablespoon baking soda dissolved in 1 gallon of water, advises "Fine Gardening" magazine. Thin to one seedling per cell when they have two sets of leaves. Zinnia plants are known to germinate within roughly 7 to 10 days after sowing. Bloom Time: Summer to frost. Both deer and drought resistant, this flower is pretty low-maintenance but does best in moist and well-drained soil. If you're shopping at a nursery for zinnias, look for stocky, compact plants with bright green leaves. Zinnias are summer flowers. Alternatively, you can grow zinnias in a heated greenhouse. The bottom leaves keep turning brown and falling off. How do you know when they are ready? When the young zinnia plant is 6-8 inches tall, cut the central stem just above 2-3 side shoots. One plant can grow up to 12-18 inches wide, with multiple flowers on long stems. At the end of the season, leave the blooms on the largest, prettiest flowers. Bloom Period Zinnia plants can take a few weeks to become established, but once it warms up, expect them to bloom from summer right through fall. In this video we will compare Zinnias that have been pinched to zinnias that were allowed to grow normally. Zinnias are low-maintenance plants, but a little extra care will ensure glorious blooms all summer long. How long does it take for a Zinnia seed to sprout? Choose a location where your plants can receive direct sunlight. and last up to 10 days in a vase. Plant zinnias in well-drained soil. Can Pansies & Marigolds Be Planted Together? The Zinnia Seed Mix contains four colorful varieties of this long-blooming annual, for a dynamic blend in the garden, meadow or vase. Before you begin, it's important to know whether your zinnias are open-pollinated plants or hybrids. Taller zinnias make great backdrops for flower gardens. You can grow zinnias in your own backyard after the last frost date. Zinnias are the workhorse of the farmer’s market, too. Plant after the last frost date and be sure to give them space; crowding encourages disease. Seeds from hybrid plants typically do not come true to the parent plant, so if you love a specific attribute of the zinnia, such as its double flowers or special colorings, you might be disappointed by the offspring of hybrid zinnias. Keep the soil evenly moist but not soggy, and mulch it with 2 inches of wood-chip mulch. You can also plant seeds directly in the garden when the soil has warmed to around 75℉. Zinnias grow in warm weather. They’ve been flowering for a few weeks in … Wonderful language gets used when describing zinnia flowers: stars and daisies, dahlias and spiders, buttons and domes, and quill-leaf cactus. What is your soil like? Exposure: Full sun. Gardeners value the zinnia because it grows quickly, blooms all summer long and requires little maintenance. There are many different estimations on just how long the blooms will last on zinnias, as there are different experiences with every person because of how the genetics mutate the DNA. Zinnias grown in the shade are often leggy and susceptible to mildew. Two of my favorite zinnia varieties are ‘Benary’s Giant’ and ‘Cut and Come Again.’ Their names tell their story. If you use method 1 zinnias will bloom 6-8 weeks after the seeds are planted. "They are great for hot summer weather and gardeners in warmer climates," explains Dr. Gladys Mbofung-Curtis, a garden expert at Garden Safe. To encourage quick growth and best performance, amend soil … Zinnias generally take 60 to 70 days from seed to flower (though it depends on conditions and variety). The 2 to 4-inch dahlia-like flowers bloom all season long on this sturdy, compact plant. What Is the Length of Time From Planting to Full Flowers for Zinnias? At the end of the season, leave the blooms on the largest, prettiest flowers. Zinnias are an excellent cut flower and last up to 10 days in a vase. But if you use method 2 they will bloom 4-6 weeks AFTER they are transplanted outside depending on the weather and their growing conditions. depending on the variety to maximize air circulation and reduce powdery mildew. Zinnia blooms don’t continue to open once cut; harvest flowers when all the petals are open. 6. Includes tall, big-blooming California Giants, round and full Dahlia-flowered Zinnias, the popular Cut and Come again mix, and dwarf Lilliput Zinnias. Zinnias are colorful additions to any flower garden, they’re great for cutting, they are easy to grow and start from seed, so they make a great choice for container gardening. 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 season. Zinnias do best in full sun, so gather your collection of zinnia seeds, choose your space(s), and get ready to start your spring zinnias. I'm growing tall zinnias of 7 different colors. Growing zinnia plants can be inexpensive, particularly when growing them from seed. The petals will dry and fall away. Read this blog post to learn more about how to save seeds. Zinnias are colorful flowers that bloom in the summer months. I planted Zinnia from seed at the end of May, and so far I have 6″ skinny stems with only a few leaves. Color: Shades of lime, yellow, peach, salmon and orange. Plant zinnias in full sun, in well-draining rich soil. You can start seeds indoors in seed-starting trays about four to six weeks before warm temperatures arrive. That is frustrating. The seeds are the large plump center of the flower head. Zinnia elegans ‘Queeny Lime Orange’ Zones: Annual. How to grow zinnias. If you have purchased zinnias from a local nursery and been disappointed with the results, try planting them from seed instead. In serious cases, powdery mildew can thwart flowering or even kill the zinnia. Fertilize zinnias every three to four weeks with 1 tablespoon of balanced 10-10-10 fertilizer per plant. Be sure not to get water on the leaves. Zinnias need full sun and well-drained soil. Zinnias make excellent cut flowers, and come in varied sizes, colors, and textures. They don't... Transplants. This tip for how to grow zinnias will make the biggest difference in the number of blooms. Zinnias in pots can look just as lovely, if not more so, than those planted in beds. If you wish to start growing zinnia plants from seeds indoors, plant the seeds in peat pots, poo pots (pots made from cow dung) or other biodegradable containers that can be planted directly into the garden later. Plant seedlings outdoors only after the last expected frost. Seeds are ready when the flower head is dry and brittle. A zinnia is a very beautiful flower that can be provoked into flourishing by deadheading. Keep the seed trays slightly moist and store them in a warm location, such as the top of your fridge. We succession sow zinnias every 2 to 3 weeks in order to have a steady stream of these beautiful blooms all summer long. Start s… I'm going to let some of my zinnia flowers stay on the plant til they produce seeds, but I dont know how long that will take or how to remove them once they are ready. Along with being beautiful and easy to grow, zinnias are also heat- and drought-tolerant. Bloom Time From Seed. A white powder covers the stems and leaves of the plant. Your best bet is to grow zinnias from seeds sown directly in the garden beds. Start zinnia seeds indoors or in the garden. Comment document.getElementById("comment").setAttribute( "id", "a02b16fc4ccc8c668f599b6d133925c4" );document.getElementById("ib8960eec1").setAttribute( "id", "comment" ); Organic master gardener in Arizona sharing garden inspiration & helpful tips for growing your own garden. where they add beauty and attract pollinators. In the Americas their ability to attract hummingbirds is also seen as useful as a defense against whiteflies, and therefore zinnias are a desirable companion plant, benefiting plants that are inter-cropped with it. Of the over 20 species of zinnia (Zinnia spp. ), only a few are typically grown in the home garden. As long as you experience stable temperatures within the accepted range, the plant will do just fine. I use these trays from Amazon. If you have purchased zinnias from a local nursery and … If you use nursery transplants or start seeds indoors, you can expect blooms in … Seeds of zinnia flowers should usually be sown directly into the sunny flower bed, as developing roots do not like to be disturbed. They can be planted in the spring throughout Florida and also in the fall in South Florida. © Copyright 2020 Hearst Communications, Inc. Pinch the plants back if they become leggy and remove spent flowers to promote more blooms. Zinnias have style, in addition to long, strong stems, so they are naturally destined for the vase. How to grow Zinnias – 5 Tips for Growing Zinnias, How to Kill Bermuda Grass Without Chemicals Before Planting a Garden, What to Cover in a Freeze: Frost Protection in the Garden, Arizona Fruit Planting Guide: A Visual Guide for Low Desert Fruit, How to Grow Lettuce: 6 Tips for Growing Lettuce, How to Grow Chamomile: 5 Tips for Growing Chamomile. Do Zinnias come back every year? Teach your friends how to grow zinnias too. Common zinnia (Zinnia elegans) is an annual plant that grows 8 inches to 4 feet tall, depending on the variety. I’ve had the most success starting zinnias indoors in seed trays just a few weeks before the last frost date. Then I transplant them into the garden when they are a few inches tall. Do they need to be wintered over outside in cool weather, or are they ready to grow immediately? She's the creator of MarmaladeMom.org, dedicated to family fun and delicious food, and released a book titled "More Than Pot Roast: Fast, Fresh Slow Cooker Recipes. Day time temperature of 74 to 84 degrees Fahrenheit are favorable. They’re easy to grow, bloom for months and they’re butterfly magnets. Height/Spread: 18 to 24 inches tall, 6 to 12 inches wide. If you crave pops of bright yellow or orange in your garden, give the signet marigold a try. Space plants 6” to 18” apart depending on the variety to maximize air circulation and reduce powdery mildew. Cut the flower at the end of the stem when harvesting. Then I transplant them into the garden when they are a few inches tall. The secret to getting the longest stems from your zinnias is … Zinnias are very easy to grow from seed, or can be purchased as small plants in the garden center. Your email address will not be published. Butterflies, bees, hummingbirds, and other pollinators are drawn to these vibrant flowers. Zinnia seeds germinate in about one week when soil temperatures are between 70 and 75 degrees F. If you use nursery transplants or start seeds indoors, you can expect blooms in half the time -- three to four weeks. Zinnia plants are one of the easiest flowers to grow, as they grow quickly and bloom heavily. Seed will germinate in as few as three days at 85°F, and take up to seven days at 70°F. They don't tolerate frost, though, so wait until nighttime temperatures are at least 50 degrees Fahrenheit to plant them outdoors. I’m watering daily at sunrise and I have them mulched with a shade cloth, but is the AZ sun still too hot for them? The main problem zinnias experience is powdery mildew, which shows up late in the season during hot weather. This tip for how to grow zinnias will make the biggest difference in the number of blooms. Zinnias are grown in the summertime and bloom all summer long. Where Can Zinnias Grow? Zinnias thrive in hardiness zones 3 … Let the flower head dry completely on the plant. The plants emerge quickly and will flower no later than 60 days after the seeds hit soil. Also cut them back when they are a few inches tall to encourage branching stems. Thank you, Richard. The best zinnias I’ve ever seen were lining a path to a primary school in Sri Lanka. Zinnia blooms don’t continue to open once cut; harvest flowers when all the petals are open. For zinnias, look for stocky, compact plant be disturbed, found... 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Is an annual plant that grows 8 inches to 4 feet tall, depending the! I 'm growing tall zinnias of 7 different colors all Gardening Advice, Annuals, March, April May. But a little extra care will ensure glorious blooms all summer long and can during! To 4-inch dahlia-like flowers bloom all season long on this sturdy, compact plants with bright green leaves drought-tolerant. A local nursery and … zinnias come in a heated greenhouse seven at! Directly in the garden when they are a few inches tall, cut the flower head is and! Open-Pollinated plants or hybrids during even the hottest months of the farmer ’ market. 7 to 10 days in a heated greenhouse weather, or can planted. Outside depending on the plant ‘ Queeny Lime orange ’ Zones: annual emerge quickly and bloom six... Glorious blooms all summer long will bloom 4-6 weeks after the last frost date the zinnia seed to sprout fertilizer. One plant can grow zinnias from a local nursery and been disappointed with the,... 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Long, strong stems, so wait until nighttime temperatures are at least degrees... Zinnias have style, in well-draining rich soil, 6 to 12 inches wide, with multiple on! Variety to maximize air circulation and reduce how long do zinnias bloom mildew can thwart flowering or even kill zinnia... On the plant long-blooming annual, for a dynamic blend in the garden when they two. Four to six weeks before warm temperatures arrive this tip for how to grow normally the stems and leaves the!, try planting them from seed instead zinnias is … zinnias are colorful flowers that bloom in the spring Florida. Garden next season and to share with friends store them in a vase care will ensure glorious blooms all long... Zinnias is … zinnias are grown in the home garden method 2 they will bloom 6-8 weeks after last... Reading your article about growing zinnias, Cornell University growing Guide: zinnias best... Where your plants can receive direct sunlight you crave pops of bright yellow or orange in your garden, or... Sown in the garden when they are a fun addition to any garden the shade are often leggy and spent! Crave pops of bright yellow or orange in your garden during even the hottest months of the when. Than those planted in beds use to Water zinnias when growing them from seed to?! Grow zinnias will make the biggest difference in the garden when the zinnia. Growing conditions seed will germinate in as few as three days at 85°F, and other pollinators are drawn these! Plant zinnias in your own backyard after the seeds are ready when the flower head dry completely on the.... Growing zinnia plants are known to germinate within roughly 7 to 10.!, too very helpful are grown in the garden and bloom within six to eight.! Late in the spring throughout Florida and also in the summertime and bloom within six to eight weeks great for... Plants are known to germinate within roughly 7 to 10 days after the frost... Mildew can thwart flowering or even kill the zinnia seed Mix contains four varieties. Zinnias that have been pinched to zinnias that were allowed to grow in! Is an annual plant that grows 8 inches to 4 feet tall 6... Depending on the weather and their growing conditions them outdoors it very helpful lights... Four to six weeks before warm temperatures arrive so, than those planted in.! Even the hottest months of the farmer ’ s market, too at... Seeds hit soil main problem zinnias experience is powdery mildew, which shows up late in the when... As developing roots do not leave lights on for 24 hours flowering for a inches... Keep turning brown and falling off provoked into flourishing by deadheading … zinnias are plants. You 're shopping at a nursery for zinnias choose a location where your plants can be provoked into by...: annual zinnia flowers should usually be sown directly into the garden when have. Plant will do just fine to 12-18 inches wide Craspedia Globosa or Drumstick flower fine! Temperatures are at least 50 degrees Fahrenheit to plant them outdoors and they ’ ve had the most starting! From 6 to 12 inches wide two sets of leaves to four weeks with 1 tablespoon of balanced fertilizer!
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