Sunflower

National Garden Bureau When it comes to growing sunflowers, waiting is the hardest part. 'Early Black Heart,' a 2017 release, shortens that wait with its quick maturity time of 55 days. The • Native Area: United States, Central America • USDA Growing Zones: 2a–11b • Height: 5–6 feet • Sun Exposure: Full sun The Spruce / Evgeniya Vlasova 'Helios Flame' is a designer's delight, both in the early fall garden and the vase. The russet-and-gold bicolor blooms deliver bright autumn hues on a single pollen-free plant. The height is modestly impressive but not so tall that you can't add them to the back of your • Native Area: U.S., Central America • USDA Growing Zones: 2a–11b • Height: 42–48 inches • Sun Exposure: Full sun Michael Davis / Getty Images With sturdy single stems and pollen-free blooms, sunflowers in the ProCut series are destined for the vase. The peachy petals and dark discs of 'ProCut Peach' look dazzling when paired with flowers on the opposite side of the color wheel, like • Native Area: U.S., Central America • USDA Growing Zones: 2a–11b • Height: 4–6 feet • Sun Exposure: Full sun The Spruce / Evgeniya Vlasova Every garden should have a space dedicated to children, and the dwarf form of 'Elf' sunflower gives kids what they want. Plant a few of this 14-inch cultivar in containers on your sunny patio or deck. Flower picking was never so fun. • Native Area: U.S., Central America • USDA Growing Zones: 2a–11b • Height: 14 inches • Sun Exposure: Full sun Richard Gould /...

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Photo by: Pablesku / Shutterstock. Sunflowers are iconic, easy-to-grow plants enjoyed by gardeners in every state. One of the easiest flowers to grow, Helianthus thrive in full sun and aren’t picky about soil. You’re probably most familiar with the giant types that grow very tall and have oversized yellow flowers. But there are many other types of sunflowers to explore. On this page: On this page: • BASICS • GROWING SUNFLOWERS • SUNFLOWER CARE AND MAINTENANCE • VARIETIES OF SUNFLOWERS • DESIGN IDEAS • FREQUENTLY ASKED QUESTIONS • HARVEST YOUR OWN SUNFLOWER SEEDS BASICS Botanical name: Helianthus spp. Hardiness Zones: Usually grown as annuals; perennial varieties 4-8 depending on cultivar Height: Varies; giant varieties up to 16 feet tall, dwarf varieties 1 to 4 feet tall Exposure: Full sun, 6+ hours per day When do sunflowers bloom? Annual sunflowers bloom during summer and into autumn. Sow new plants every few weeks and you’ll enjoy non-stop flowers until the first frost. Perennial sunflowers bloom for a period of 8-12 weeks with some beginning as early as July and others finishing as late as October. GROWING SUNFLOWERS When to plant: For annual sunflowers (Helianthus annuus), sow seeds outdoors after the threat of frost has passed. If you have a short growing season they can be started indoors. Perennial sunflowers should be planted in spring or fall Soil: Any; clay, sandy, silt or loam. Spacing: For giant sunflowers, or those grown for seed production, sow seeds 2 to 3 ...

Kingdom: Class: Magnoliopsida Order: Asterales Family: Asteraceae Genus: Helianthus Species: H. annuus Helianthus annuus Sunflower is the common name for any of the Helianthus of the flowering plant family Asteraceae (known as the aster, daisy, or sunflower family). It also commonly is used specifically in reference to the annual plant Helianthus annuus, the common sunflower, which is characterized by a long stem and a large flowering head (inflorescence) with large seeds. The term sunflower also refers to this plant's seed-like The Contents • 1 Description • 2 Sunflower species • 3 Helianthus annuus • 3.1 Heliotropism • 3.2 Cultivation and uses • 3.3 Mathematical model • 3.4 Flower formation • 3.5 Gallery • 4 References • 5 Credits Description The family Asteraceae, to which Helianthus belongs, is known as the aster, daisy, or sunflower family. It is a taxon of Aster and refers to the Plants belonging to the Asteraceae share all the following characteristics (Judd et al. 1999). None of these traits, taken separately, can be considered synapomorphic. • The inflorescence is an involucrate capitulum (flower head) • Tubular/disc florets are actinomorphic, ligulate/ray florets are zygomorphic • Anthers are syngenesious, i.e. with the stamens fused together at their edges, forming a tube • The ovary has basal arrangement of the ovules • One ovule per ovary • The calyx (sepals) of the florets are modified to form a pappus, a tuft of hairs, which often appears on the mature • The...

Are you looking to plant some sunflowers in your garden or yard, but aren't sure where to start? The good news is sunflowers are relatively easy to plant. They are great for novice gardeners, and more advanced gardeners alike. In this article, gardening and flower expert Taylor Sievers walks through how to effectively plant, grow, and care for sunflowers. Few flowers come to mind that can have as great of an impact as a bright, cheerful, show-stopping sunflower. As a farmer-florist, I can attest to the fact that there’s just something special about a bouquet of fresh-cut flowers with a sunflower peeking out. There are over Helianthus annuus.These beautiful blooms—along with In this article, we examine the Sunflower in all its glory. You’ll learn about sunflower history, how to grow them, the best way to care for them, as well as some tips, and tricks to get you started on your next harvest. Let’s jump in! Contents • 1 About Sunflowers • 2 History • 3 Cultivation • 4 Propagation • 5 When to Plant • 6 How to Grow • 6.1 Soil • 6.2 Planting • 6.3 Watering Needs • 6.4 Fertilizer • 6.5 Pinching • 6.6 Branching • 7 When and How to Harvest • 8 Sunflower Varieties • 9 Pest Prevention • 10 Preservation • 11 Plant Uses • 12 Frequently Asked Questions • 13 Final Thoughts Species annuus About Sunflowers Composite flowers are actually multiple tiny flowers (florets) that together appear to make one single flower. This means that the flower head we call a “sunflower” is actually made up ...

Newsletters Close search form Open search form Enter your search term Search • Decor • • • • • • See all • Garden • • • • • • • • See all • Home Improvement • • • • • • • • • • • See all • Cleaning • • • • • • See all • Celebrations • • • • • See all • What to Buy • • • • • • • See all • News • • • • • • • • See all • About Us • • • • • • • See all Marie Iannotti is a life-long gardener and a veteran Master Gardener with nearly three decades of experience. She's also an author of three gardening books, a plant photographer, public speaker, and a former Cornell Cooperative Extension Horticulture Educator. Marie's garden writing has been featured in newspapers and magazines nationwide and she has been interviewed for Martha Stewart Radio, National Public Radio, and numerous articles. Sunflowers ( Helianthus annuus) are a treasure of summertime. They typically begin blooming in the mid-summer and can persist into early fall. The flowers, which stretch around 3 to 6 inches across on average, have a broad central disk surrounded by short, yellow petals. Sunflowers grow on a hairy, sturdy, upright stem that can be several feet high. The stems can hold a single flower or be branched with multiple blooms. Rough, hairy, oval to triangular leaves grow along the stem. These flowers are Common Names Sunflower, common sunflower Botanical Name Helianthus annuus Family Asteraceae Plant Type Annual Mature Size 3–10 ft. tall, 1.5–3 ft. wide Sun Exposure Full Soil Type Well-drained Soil pH ...

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Kingdom: Class: Magnoliopsida Order: Asterales Family: Asteraceae Genus: Helianthus Species: H. annuus Helianthus annuus Sunflower is the common name for any of the Helianthus of the flowering plant family Asteraceae (known as the aster, daisy, or sunflower family). It also commonly is used specifically in reference to the annual plant Helianthus annuus, the common sunflower, which is characterized by a long stem and a large flowering head (inflorescence) with large seeds. The term sunflower also refers to this plant's seed-like The Contents • 1 Description • 2 Sunflower species • 3 Helianthus annuus • 3.1 Heliotropism • 3.2 Cultivation and uses • 3.3 Mathematical model • 3.4 Flower formation • 3.5 Gallery • 4 References • 5 Credits Description The family Asteraceae, to which Helianthus belongs, is known as the aster, daisy, or sunflower family. It is a taxon of Aster and refers to the Plants belonging to the Asteraceae share all the following characteristics (Judd et al. 1999). None of these traits, taken separately, can be considered synapomorphic. • The inflorescence is an involucrate capitulum (flower head) • Tubular/disc florets are actinomorphic, ligulate/ray florets are zygomorphic • Anthers are syngenesious, i.e. with the stamens fused together at their edges, forming a tube • The ovary has basal arrangement of the ovules • One ovule per ovary • The calyx (sepals) of the florets are modified to form a pappus, a tuft of hairs, which often appears on the mature • The...

Are you looking to plant some sunflowers in your garden or yard, but aren't sure where to start? The good news is sunflowers are relatively easy to plant. They are great for novice gardeners, and more advanced gardeners alike. In this article, gardening and flower expert Taylor Sievers walks through how to effectively plant, grow, and care for sunflowers. Few flowers come to mind that can have as great of an impact as a bright, cheerful, show-stopping sunflower. As a farmer-florist, I can attest to the fact that there’s just something special about a bouquet of fresh-cut flowers with a sunflower peeking out. There are over Helianthus annuus.These beautiful blooms—along with In this article, we examine the Sunflower in all its glory. You’ll learn about sunflower history, how to grow them, the best way to care for them, as well as some tips, and tricks to get you started on your next harvest. Let’s jump in! Contents • 1 About Sunflowers • 2 History • 3 Cultivation • 4 Propagation • 5 When to Plant • 6 How to Grow • 6.1 Soil • 6.2 Planting • 6.3 Watering Needs • 6.4 Fertilizer • 6.5 Pinching • 6.6 Branching • 7 When and How to Harvest • 8 Sunflower Varieties • 9 Pest Prevention • 10 Preservation • 11 Plant Uses • 12 Frequently Asked Questions • 13 Final Thoughts Species annuus About Sunflowers Composite flowers are actually multiple tiny flowers (florets) that together appear to make one single flower. This means that the flower head we call a “sunflower” is actually made up ...

National Garden Bureau When it comes to growing sunflowers, waiting is the hardest part. 'Early Black Heart,' a 2017 release, shortens that wait with its quick maturity time of 55 days. The • Native Area: United States, Central America • USDA Growing Zones: 2a–11b • Height: 5–6 feet • Sun Exposure: Full sun The Spruce / Evgeniya Vlasova 'Helios Flame' is a designer's delight, both in the early fall garden and the vase. The russet-and-gold bicolor blooms deliver bright autumn hues on a single pollen-free plant. The height is modestly impressive but not so tall that you can't add them to the back of your • Native Area: U.S., Central America • USDA Growing Zones: 2a–11b • Height: 42–48 inches • Sun Exposure: Full sun Michael Davis / Getty Images With sturdy single stems and pollen-free blooms, sunflowers in the ProCut series are destined for the vase. The peachy petals and dark discs of 'ProCut Peach' look dazzling when paired with flowers on the opposite side of the color wheel, like • Native Area: U.S., Central America • USDA Growing Zones: 2a–11b • Height: 4–6 feet • Sun Exposure: Full sun The Spruce / Evgeniya Vlasova Every garden should have a space dedicated to children, and the dwarf form of 'Elf' sunflower gives kids what they want. Plant a few of this 14-inch cultivar in containers on your sunny patio or deck. Flower picking was never so fun. • Native Area: U.S., Central America • USDA Growing Zones: 2a–11b • Height: 14 inches • Sun Exposure: Full sun Richard Gould /...