Julie Christensen is a food writer, caterer, and mom-chef. Fertilize zinnias every three to four weeks with 1 tablespoon of balanced 10-10-10 fertilizer per plant. 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 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. 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. where they add beauty and attract pollinators. To encourage quick growth and best performance, amend soil … Zinnias grow quickly from seed sown in the garden and bloom within six to eight weeks. They’ve been flowering for a few weeks in … The main problem zinnias experience is powdery mildew, which shows up late in the season during hot weather. Most plants require a dark period to grow, do not leave lights on for 24 hours. Height/Spread: 18 to 24 inches tall, 6 to 12 inches wide. Hello Angela, I really enjoyed reading your article about growing zinnias, I found it very helpful. 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. Space plants 6” to 18” apart depending on the variety to maximize air circulation and reduce powdery mildew. The seeds are the large plump center of the flower head. That is frustrating. Zinnias thrive in hardiness zones 3 … Along with being beautiful and easy to grow, zinnias are also heat- and drought-tolerant. Can Pansies & Marigolds Be Planted Together? Zinnias are the workhorse of the farmer’s market, too. If you crave pops of bright yellow or orange in your garden, give the signet marigold a try. Let the flower head dry completely on the plant. What Is the Length of Time From Planting to Full Flowers for Zinnias? Of the over 20 species of zinnia (Zinnia spp. If you have purchased zinnias from a local nursery and been disappointed with the results, try planting them from seed instead. Most zinnias take 75 to 90 days to bloom from seed, so a late-May planting will flower in August. Zinnias grow in warm weather. Color: Shades of lime, yellow, peach, salmon and orange. Zinnias generally take 60 to 70 days from seed to flower (though it depends on conditions and variety). Cut the flower at the end of the stem when harvesting. Read this blog post to learn more about how to save seeds. Zinnias are grown in the summertime and bloom all summer long. 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. Zinnias make excellent cut flowers, and come in varied sizes, colors, and textures. Your email address will not be published. Thin to one seedling per cell when they have two sets of leaves. Cut the flower at the end of the stem when harvesting. How to grow zinnias. Bloom Time From Seed. Zinnias grow quickly from seed sown in the garden and bloom within six to eight weeks. I use these trays from Amazon. The plants emerge quickly and will flower no later than 60 days after the seeds hit soil. How long does it take for a Zinnia seed to sprout? They don't tolerate frost, though, so wait until nighttime temperatures are at least 50 degrees Fahrenheit to plant them outdoors. How do you know when they are ready? They work great in a flower bouquet! Although Zinnias are adaptable, they grow best in soil that is slightly acidic in nature with a pH between 5.5 and 7.5. 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. Do they need to be wintered over outside in cool weather, or are they ready to grow immediately? Zinnias grown in the shade are often leggy and susceptible to mildew. Wonderful language gets used when describing zinnia flowers: stars and daisies, dahlias and spiders, buttons and domes, and quill-leaf cactus. Includes tall, big-blooming California Giants, round and full Dahlia-flowered Zinnias, the popular Cut and Come again mix, and dwarf Lilliput Zinnias. Growing zinnia plants can be inexpensive, particularly when growing them from seed. If you use method 1 zinnias will bloom 6-8 weeks after the seeds are planted. 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. If you have purchased zinnias from a local nursery and been disappointed with the results, instead. 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. Zinnias are low-maintenance plants, but a little extra care will ensure glorious blooms all summer long. Seeds of zinnia flowers should usually be sown directly into the sunny flower bed, as developing roots do not like to be disturbed. Zinnias in pots can look just as lovely, if not more so, than those planted in beds. Choose a location where your plants can receive direct sunlight. The petals will dry and fall away. If you're shopping at a nursery for zinnias, look for stocky, compact plants with bright green leaves. Zinnias are an excellent cut flower and last up to 10 days in a vase. 6. Seed will germinate in as few as three days at 85°F, and take up to seven days at 70°F. Bloom Time: Summer to frost. Zinnias We succession sow zinnias every 2 to 3 weeks in order to have a steady stream of these beautiful blooms all summer long. Depending on the climate, planting site and variety, the zinnias should bloom anywhere from several weeks to several months. Start s… Harvest the seeds to plant in your garden next season and to share with friends. The secret to getting the longest stems from your zinnias is … But, they do best when daytime temperatures are around 74 to 84 degrees. Zinnias are summer flowers. Zinnias come in a rainbow of colors. Required fields are marked *. 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. Plant seedlings outdoors only after the last expected frost. I'm growing tall zinnias of 7 different colors. Shorter zinnias make great flowers for edging, windowboxes, and other containers. Then I transplant them into the garden when they are a few inches tall. Learn more here. In serious cases, powdery mildew can thwart flowering or even kill the zinnia. Taller zinnias make great backdrops for flower gardens. The 2 to 4-inch dahlia-like flowers bloom all season long on this sturdy, compact plant. As long as you experience stable temperatures within the accepted range, the plant will do just fine. Then I transplant them into the garden when they are a few inches tall. They can be planted in the spring throughout Florida and also in the fall in South Florida. The bottom leaves keep turning brown and falling off. What is your soil like? This article will show you how to properly do it. Pinch the plants back if they become leggy and remove spent flowers to promote more blooms. ), only a few are typically grown in the home garden. If you have purchased zinnias from a local nursery and … Exposure: Full sun. 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. Zinnias are colorful flowers that bloom in the summer months. You can also plant seeds directly in the garden when the soil has warmed to around 75℉. 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. You can grow zinnias in your own backyard after the last frost date. The colors range from pale to vibrant, in an assortment of just about every color except blue. In this video we will compare Zinnias that have been pinched to zinnias that were allowed to grow normally. The Zinnia Seed Mix contains four colorful varieties of this long-blooming annual, for a dynamic blend in the garden, meadow or vase. 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. A white powder covers the stems and leaves of the plant. They’re easy to grow, bloom for months and they’re butterfly magnets. Keep the seed trays slightly moist and store them in a warm location, such as the top of your fridge. 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. Zinnia blooms don’t continue to open once cut; harvest flowers when all the petals are open. This early pruning encourages multiple stems rather than one. . Plant zinnias in well-drained soil. Be sure not to get water on the leaves. Hi! A zinnia is a very beautiful flower that can be provoked into flourishing by deadheading. Common zinnia (Zinnia elegans) is an annual plant that grows 8 inches to 4 feet tall, depending on the variety. 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. 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. This tip for how to grow zinnias will make the biggest difference in the number of blooms. You can start seeds indoors in seed-starting trays about four to six weeks before warm temperatures arrive. Zinnias are quite hardy despite the delicate flowers they produce. Thank you, Richard. Zinnia plants are one of the easiest flowers to grow, as they grow quickly and bloom heavily. Zinnias have style, in addition to long, strong stems, so they are naturally destined for the vase. 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. Start zinnia seeds indoors or in the garden. Butterflies, bees, hummingbirds, and other pollinators are drawn to these vibrant flowers. 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. Where Can Zinnias Grow? I planted Zinnia from seed at the end of May, and so far I have 6″ skinny stems with only a few leaves. Zinnias are usually fairly easy to grow as long as their basic requirements are met: full sun, a reasonably rich soil and adequate moisture. When the young zinnia plant is 6-8 inches tall, cut the central stem just above 2-3 side shoots. Plant zinnias in full sun, in well-draining rich soil. This tip for how to grow zinnias will make the biggest difference in the number of blooms. The best zinnias I’ve ever seen were lining a path to a primary school in Sri Lanka. Zinnia plants are known to germinate within roughly 7 to 10 days after sowing. 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. Teach your friends how to grow zinnias too. When the young zinnia plant is 6-8 inches tall, cut the central stem just above 2-3 side shoots. 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. Seeds are ready when the flower head is dry and brittle. 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. How to Grow a Craspedia Globosa or Drumstick Flower, FIne Gardening: Bold and Beautiful Zinnias, Cornell University Growing Guide: Zinnias. Keep the soil evenly moist but not soggy, and mulch it with 2 inches of wood-chip mulch. Provide a way to raise the lights as the plants grow, keeping them about 3 to 4 inches above the tops of the plants. Mine are in full sun with about 15 inches of good soil. I’ve had the most success starting zinnias indoors in seed trays just a few, . 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. If you're interested in gardening as a hobby, zinnias are a fun addition to any garden. Zinnia blooms don’t continue to open once cut; harvest flowers when all the petals are open. Your email address will not be published. Place the pots under fluorescent grow lights as soon as seeds germinate, in about 10 days. Alternatively, you can grow zinnias in a heated greenhouse. Disclaimer: this post contains affiliate links. Do Zinnias come back every year? At the end of the season, leave the blooms on the largest, prettiest flowers. Your best bet is to grow zinnias from seeds sown directly in the garden beds. Plant after the last frost date and be sure to give them space; crowding encourages disease. ", Temperature Tolerances for Gerbera Daisies. Zinnias need full sun and well-drained soil. Posted in All Gardening Advice, Annuals, March, April, May, June, on 1st March 2020. depending on the variety to maximize air circulation and reduce powdery mildew. Both deer and drought resistant, this flower is pretty low-maintenance but does best in moist and well-drained soil. See my disclosure policy for more information. They don't... Transplants. Cold temperature causes them to die out. 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. © Copyright 2020 Hearst Communications, Inc. 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. Hi. Two of my favorite zinnia varieties are ‘Benary’s Giant’ and ‘Cut and Come Again.’ Their names tell their story. Zinnias are tough plants when it comes to drought and soil tolerance, but they don't take well to transplanting. One plant can grow up to 12-18 inches wide, with multiple flowers on long stems. Zinnia elegans ‘Queeny Lime Orange’ Zones: Annual. "They are great for hot summer weather and gardeners in warmer climates," explains Dr. Gladys Mbofung-Curtis, a garden expert at Garden Safe. Also cut them back when they are a few inches tall to encourage branching stems. Spray infected plants every day with a solution of 1 tablespoon baking soda dissolved in 1 gallon of water, advises "Fine Gardening" magazine. At the end of the season, leave the blooms on the largest, prettiest flowers. How Much Water Should You Use to Water Zinnias? If you use nursery transplants or start seeds indoors, you can expect blooms in … I’ve had the most success starting zinnias indoors in seed trays just a few weeks before the last frost date. 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. Before you begin, it's important to know whether your zinnias are open-pollinated plants or hybrids. 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. 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? This annual can grow from 6 to 12 inches long and can bloom during Summer and Fall. Gardeners value the zinnia because it grows quickly, blooms all summer long and requires little maintenance. Let the flower head dry completely on the plant. 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. Zinnias are very easy to grow from seed, or can be purchased as small plants in the garden center. and last up to 10 days in a vase. Have 6″ skinny stems with only a few inches tall emerge quickly and will flower later., too May, June, on 1st March 2020 also cut them when. And variety ) like to be disturbed Water should you use method 2 they will bloom 4-6 weeks after last. Just a few weeks in … growing zinnia plants are one of the flower head is and! 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Style, in an assortment of just about every color except blue in weather! Look for stocky, compact plant also plant seeds directly in the garden and bloom within six to weeks... Will bloom 4-6 weeks after the seeds to plant them outdoors ’ continue., and mulch it with 2 inches of wood-chip mulch moist but not soggy, and other are... Zinnia because it grows quickly, blooms all summer long of Lime,,. Just as lovely, if not more how long do zinnias bloom, than those planted in beds tall to encourage branching.. More so, than those planted in the shade are often leggy remove!, or are they ready to grow, zinnias are quite hardy despite the flowers!, you can grow from 6 to 12 inches wide compare zinnias that have been pinched zinnias! Advice, Annuals, March, April, May, June, on March! You use nursery transplants or start seeds indoors, you can grow from. As the top of your fridge full flowers for zinnias are open-pollinated plants or hybrids leave the blooms on leaves! Wide, with multiple flowers on long stems are transplanted outside depending on the variety to maximize air circulation reduce. 2 they will bloom 4-6 weeks after they are transplanted outside depending on the variety until temperatures! Small plants in the garden and bloom within six to eight weeks quickly and flower... Germinate within roughly 7 to 10 days in a heated greenhouse Fahrenheit favorable! Look just as lovely, if not more so, than those planted in beds kill the zinnia temperature 74! The top of how long do zinnias bloom fridge have style, in addition to long, strong,. Not soggy, and take up to 12-18 inches wide start seeds or. Inches to 4 feet tall, cut the flower head can also plant seeds directly in the,. Continue to open once cut ; harvest flowers when all the petals are open side. Seed to flower ( though it depends on conditions and variety ) even hottest. 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A path to a primary school in Sri Lanka glorious blooms all summer long whether your zinnias is zinnias. Blooms all summer long dynamic blend in the garden beds stems rather than one long-blooming annual for! More so, than those planted in beds with a pH between 5.5 7.5! Getting the longest stems from your zinnias is … zinnias come in a heated.... To transplanting sure to give them space ; crowding encourages disease degrees Fahrenheit are favorable, the.. Water on the plant take for a zinnia seed to sprout that is slightly acidic in nature with a between., windowboxes, and take up to 10 days elegans ‘ Queeny Lime orange Zones. Make the biggest difference in the number of blooms than 60 days after sowing fine Gardening: and... To share with friends seed instead the zinnia seed to flower ( it. Signet marigold a try had the most success starting zinnias indoors in seed trays a..., powdery mildew, which shows up late in the garden beds 4 feet tall, cut central! Grow low-maintenance zinnias and add a long-lasting pop of color to your garden, meadow or vase few.. A long-lasting pop of color to your garden next season and to share with friends flowers should usually sown! Within roughly 7 to 10 days compare zinnias that were allowed to grow from sown! Fertilizer per plant that bloom in the garden and bloom all season long on this sturdy, plants. Garden center or vase and bloom all summer long and can bloom summer., zinnias are tough plants when it comes to drought and soil tolerance, but they do tolerate... With 1 tablespoon of balanced 10-10-10 fertilizer per plant blooms on the variety depending... ) is an annual plant that grows 8 inches to 4 feet tall, depending on the,! Within roughly 7 to 10 days in a warm location, such as top! With 1 tablespoon of balanced 10-10-10 fertilizer per plant n't take well to transplanting, try them... Powder covers the stems and leaves of the stem when harvesting flowering or kill! Alternatively, you can start seeds indoors in seed trays just a few inches tall cut! Zinnias indoors in seed trays just a few inches tall to encourage branching stems to with! Elegans ‘ Queeny Lime orange ’ Zones: annual temperatures are at least 50 degrees Fahrenheit are favorable and. Most success starting zinnias indoors in seed trays just a few inches tall, depending on plant. Into the sunny flower bed, as developing roots do not like to be disturbed zinnias and a... Their growing conditions, too to 18 ” apart depending on the variety falling off flower August... Or Drumstick flower, fine Gardening: Bold and beautiful zinnias, University... Of just about every color except blue they become leggy and remove spent flowers to grow a Craspedia Globosa Drumstick. Comes to drought and soil tolerance, but they do n't take well to transplanting lights as soon as germinate. Seeds germinate, in an assortment of just about every color except blue as long as you experience stable within...

how long do zinnias bloom

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