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| Ornamental Sunflower |
Ornamental Helianthus Were Not Always Bred For Their Appearance. Farmers Originally Cultivated Sunflowers To Produce Seeds for consumption by humans and livestock. It wasn't until the 1900s that hybridizers began cross-breeding sunflowers solely for their ornamental traits. Early varieties featured simple blooms with yellow rays and dark centers. Modern cultivars showcase an incredible array of sizes, shapes, and dazzling colors.
Varieties of Ornamental Sunflower
There are thousands of sunflower cultivars available for gardens today. Some
popular types include:
Mammoth sunflowers - Very tall, up to 12 feet high, with massive 10-inch
flowers. Excellent for backgrounds.
Poinsettia - Smaller, bushier plants bearing 2-3 inch scarlet blooms from
summer to fall. Stunning massed together.
Purple Sunbeam - Beautiful coppery-bronzed Ornamental
Sunflower with mahogany centers. Compact, multi-branching habit.
Lemon Queen - Vibrant clear yellow blooms aged to cream. Very heat and drought
tolerant.
Chocolate - Deep chocolate brown blooms. Adds rich, cocoa color tones to
borders.
Autumn Beauty - Large mahogany and cream striped blooms on branching plants.
Very showy and late flowering.
Growing Ornamental Helianthus
Sunflowers prefer full sun and well-draining soil for best growth. They are low
maintenance plants once established.
- Start seeds indoors 6-8 weeks before last spring frost or direct sow once
soil has warmed. Plant 1/2 inch deep, 12-18 inches apart.
- Amend heavy soils with compost or manure prior to planting. Sunflowers have
long taproots and need loose, nutrient-rich soil.
- Water deeply during dry spells, applying 1-2 inches per week. Mulch to
conserve moisture.
- Stake or cage tall cultivars for wind protection. Tie stems securely 6-12
inches below the bud.
- Deadhead spent blooms to prolong flowering into fall. Cut stem back to the
ground or above a side shoot.
- Divide clumps in fall every 3-4 years to control spread and reinvigorate
older plants.
Using Ornamental Sunflowers in the Landscape
Sunflowers provide bold focal points,screening, and naturalistic accents in
ornamental gardens. Their versatility allows creative uses:
- Background plants for Mixed borders - Stand tall cultivars behind shorter
perennials,shrubs.
- Cut flowers - Harvest blooms in bud stages daily for vibrant,long-lasting
bouquets.
- Dried flower arrangements - Hang mature,dry heads in bundles to retain
form,color.
- Wildlife gardens - Provide seeds,habitat for birds like finches and cover for
butterflies.
- Informal, meadow-style plantings - Scatter seeds of various cultivars for a
free-flowing look.
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