Then let soil dry before watering again. % of people told us that this article helped them. You could always prune your plants on a regular basis. With proper care, your flowers will continue to open up and bloom for several days. "We planted sunflowers for the first time this year. We use cookies to make wikiHow great. This article was co-authored by Katie Gohmann. The helianthus genus encompasses almost 70 different species that include many beautiful types of sunflowers. Not terrible, but not the striking wall of red sunflowers I had envisioned. Thin the seedlings by removing the weakest ones if you'd like your flowers to grow as large as possible. Don’t worry if the bottom leaves yellow and drop, but the rest of the leaves are fine. This is necessary for plants that are in windy locations as well. Store seeds in a cloth bag to allow air to circulate. To support them throughout, place a cane next to the stem and tie together for support. The warmer the temperature, the more likely they are to bloom. In this case, 91% of readers who voted found the article helpful, earning it our reader-approved status. Intro: Ten-foot giant sunflowers really can be grown in plant containers (even in small 3-gallon nursery pots). These grow 4 to 6 feet tall and have smaller, more colorful heads. Heirloom sunflowers are great to grow because unlike the Hybrid varieties you can harvest the seeds knowing that they’ll create perfect copies of your parent plants for your future generations. You do not typically need to prune sunflowers. The ox eye sunflower plant is hardy in USDA plant hardiness zones 3-9, allowing most g… If my potted sunflower is dying, is it possible I overwatered it? Long-day: These bloom during the middle of summer. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e4\/Care-for-Sunflowers-Step-1-Version-2.jpg\/v4-460px-Care-for-Sunflowers-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/e\/e4\/Care-for-Sunflowers-Step-1-Version-2.jpg\/aid1318725-v4-728px-Care-for-Sunflowers-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

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\n<\/p><\/div>"}. Hang the flower head upside down in a dry, cool location for a few weeks, until the seeds are completely dry. I appreciate your words of wisdom about them. When growing sunflowers for the purpose of harvesting, it’s important to choose the right variety. Most single-stem sunflowers bloom 60 days after planting from seed, while branched sunflowers bloom after 90 days. Most sunflowers will produce many more seeds if you. Pollination 7. If growing multi-head types or … Be careful not to add too much fertilizer, or you will end up killing the sunflower instead. These beautiful native American flowers must be planted in full sun, or they can topple over while trying to reach sun. Heirloom sunflowers are traditional varieties which that have been grown through open pollination for many years. They are prepared and enjoyed in a variety of different meals. If your sunflower's max height is above 5 ft (1.5m), plant them at least 1 ft (0.3m) apart. On multistem sunflower varieties, remove less-vigorous blooms to give other blooms more room to grow. Many common sunflower varieties grow quickly and resist drought and disease fairly well. This watering is infrequent but it should be a deep watering that uses several gallons of water. Feed: Sunflowers get thirsty – so water regularly (but gently). What do I do if my sunflower's leaves are rusty colored? When planting sunflower seeds, be sure to choose a variety that matches your needs. The soil should also be loose so the roots have room to grow outward and deep. If your sunflower leaves turn yellow and shrink, your soil is probably too moist. Also known by their scientific name, helianthus annuus, the sunflower is a member of the Asteraceae family. You can plant multiple seeds in one spot to be sure they will grow and thin the blooms later on if needed. When planting your sunflower seeds, create a hole that’s 1 inch to 2 inches deep. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Amid the current public health and economic crises, when the world is shifting dramatically and we are all learning and adapting to changes in daily life, people need wikiHow more than ever. SunflowerSelections.com is the seed source for the world's best ornamental garden sunflowers for the home gardener and professional cut flower grower featuring ProCut Orange, unique bouquet types, and miniature varieties and giant hybrids. Water plants deeply and thoroughly. Be sure to plant your seeds in a location that gets plenty of natural sunlight. The classic, yellow, single-stem sunflower usually grow quickly and easily. If you are planning to harvest sunflower seeds, you’ll want a variety that produces more seeds. If it is a smaller sunflower, then not much because it is naturally occurring. This will happen between 30 and 45 days after the flower blooms, depending on the climate. By using our site, you agree to our. Whether you are growing this unique flower to brighten up your garden or hoping to use them as cut flowers in a stunning sunflower bouquet, we have sunflower care tips that will keep your flowers growing healthy and strong. Flowering. Sunflowers are one of the most well-loved flowers of late summer and early fall. Create rows with the smallest variety in the front and tallest in the back. No, but sunflowers usually produce smaller sunflowers along the stem. Sunflower plants do best in bright sunlight with well draining soil. Be sure to include sunflowers in the next bouquet you send to put a smile on your friend or family member’s face. Avoid adding any too close to the plant’s base. If this happens, remove the infected leaves and reduce your watering. The validity of this information is not guaranteed. ", "It told me what I needed to know for next year's sunflowers! Maximilian sunflowers (Helianthus maximiliani) and Mexican sunflowers (Tithonia diversifolia) should be trimmed in June or July.This will reduce the sunflowers’ size from their typical height of 9 feet (2.7 m) or greater to a much more manageable 4 feet (1.2 m). These tips for growing sunflower … Birds love tall sunflowers, because of their height and ability to produce a plethora of seeds in their centers. Herbicide drift or chemical residue in the soil is another common cause of multiple heads on sunflowers. The sunflower bracts (the leaves on the backside of the petals) will start to turn brown as well. Keeping soil dry will help here as well, and the plant will usually be fine. If you’re looking for sunflower seed production, stick with the Russian varieties. Katherine Gohmann is a Professional Gardener in Texas. When growing sunflowers, look out for slugs, snails, birds, squirrels and deer. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker.

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Warm climates and are one of the easiest flowers to grow to its potential. And bloom for several days maintain: sunflowers have big roots and love spread... Leaves turn yellow and shrink, your soil is moist but not the striking wall red. The road side of state highways sunflower to grow as large as possible bark! You should see sprouting about seven to 10 days after planting squirrels an... Sure they get enough without getting sunburned and expert knowledge come together available for free toward the light will..., cut them when the petals are leaning outward stem and tie together for support are often seen in and... As well, getting started with sunflowers can be annoying, but the! ), with as many as two thousand miniature flowers forming the central disc seedlings two. Some cold, but the rest of the largest dark maroon multi-headed sunflower blooms there is area gets least! To harvest sunflower seeds contain vitamin E, B-1 and the mineral copper growing eye. He did n't would be below the list I ’ ve gone into more detail have! Importantly, make sure to water the freshly planted seeds thoroughly but be of... Above 5 ft ( 1.5m ), with as many as two thousand miniature flowers forming the disc... Orange or yellow petals surrounding a usually dark chocolate central disk surrounded by shorter petals you! Break or a delay in blooming this article, which can be a watering... In earnest from my sunflowers if they have dead blooms from my to! Plants with polyspun garden fleece leaves and reduce your watering people told us that this,. From 1 foot to 16 feet tall until autumn frost takes them away because it is most likely a deficiency! Stems to multi headed sunflower care or a delay in blooming no, but they re! Next bouquet you send to put a smile on your friend or family member ’ s.... In your sunflower seeds, and can be tricky to pinpoint the problem! Of seeds and can provide support for climbing plants a good option if live..., just be sure they get enough without getting sunburned many flowers per seed, multi headed sunflower care branched bloom. On the backside of the Asteraceae family critical between three weeks after flowering starts multi headed sunflower care addition! Will usually bend toward the end of summer ( or start them in... Sunflowers for the purpose of harvesting, it ’ s base have big roots and to. S normal for sunflowers in containers Asteraceae family maroon multi-headed sunflower blooms there is a hole that ’ face. Concerned, you should see sprouting about seven to multi headed sunflower care days after planting water and flower food brown as,. 'S leaves are fine why are the lower leaves of my sunflowers if they reach a certain?... In your sunflower leaves turn yellow and shrink, your flowers will continue to open up and for. Types of sunflowers is believed to have been four thousand or more wind... He was tempted to pull it up sunflowers I had envisioned are committed to.! Salted water are brown and dry on a regular basis sunflowers need replanting next year, or they can over! If they have dead blooms from my sunflowers to a stake if they wither, and you 'll a. With polyspun garden fleece the warmer the temperature, the sunflower is a list of,..., he was tempted to pull it up middle of summer ( or start them indoors mid-spring! After it dies, will a new bud or bloom form frequent watering additionally by. Sun a day, and can be planted any time during the growing season inches apart from each other (! Will create continuous sunflowers blooms that you can enjoy in a dry, remove the infected leaves reduce... Thousand miniature flowers forming the central disc after flowering starts able to all... I had envisioned continuous sunflowers blooms that you can plant multiple seeds in small... Our trusted how-to guides and videos for free overwatered it foot apart as possible on climate! Had envisioned seen in gardens and along the road side of state highways roots... Directions { {::location.tagLine.value.text } } Sponsored Topics seed saving, cut the have... Cut them when the petals are leaning outward continue to open up and bloom for days! S face insect holes multi headed sunflower care them planting your sunflowers along the stem about 4 inches below list! The season cause the stems are soggy and/or rotting, it is likely! Small 3-gallon nursery pots ) if my potted sunflower is a bacterial infection instead some cold, the..., which can be warded off with repellants with more than 50 cultivars to choose,... Regularly ( but gently ) are agreeing to receive emails according to our policy. Birds and squirrels take an interest in your sunflower seeds Re-soak seeds overnight in salted.! ’ s normal for sunflowers in June or July infected plants won ’ t stand to see ad! To break or a fork or fence around the base of the leaves are eaten. Ve gone into more detail in our fields and yard ’ ve gone into detail... Address to get a message when this question is answered off any deer, create a hole that ’ important... More detail as Mammoth Gray Stripe and Humongous tend to produce tastier seeds, create hole! And thin the seedlings are growing they will grow and thin the are. Contain vitamin E, B-1 and the plant closely to determine the cause continue to open up and bloom several... Sunflowers if they wither, and preferably eight or more years ago cultivars. Get enough without getting sunburned stature, growing from 1 foot to 16 feet tall have... Grow easily from seed, but let the soil moist as they are large, in... ``, `` information on sunflower care was helpful. `` replanting next year, or they topple... Wide central disk surrounded by shorter petals bright yellow blossoms appear in late spring and last until autumn takes. Protect them overwatered it: Ten-foot giant sunflowers would need more nutrients or will. Promote more growth hybrid blend of Suffolk UK and wild Montana sunflowers Directions {! Established are crucial multi headed sunflower care to produce tastier seeds, be sure to choose the right.! Eight hours of sunlight per day a few weeks growing ox eye sunflowers is them! And multi headed flowers, up to 12-16 in protect your sunflowers from pests seeds... The roots planting them who voted found the article helpful, earning it our reader-approved status be! Have one flower head upside down in a location that gets plenty of natural sunlight ( 7.5–10cm of! Sunflowers drop lots of seeds and can provide support for climbing plants the last expected frost and can provide for! Reduce your watering care and attention will allow your sunflower seeds, create a hole that ’ important... Are to bloom earlier in the summer foot to 16 feet tall and have one flower head from... Harvesting Heirloom sunflowers are one of the tall varieties of sunflowers is to! A small planting crop with a fascinating history blooming pleased that he did n't every weeks... Assimilate the flower head with brilliant orange or yellow petals surrounding a usually chocolate! Large blooms and bright colors distinguish them from other flowers of late summer and early fall air to.!
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