Drop Dead Red Sunflower lives up to its name with a striking deep red bloom that commands attention in any garden. This open-pollinated cultivar of Helianthus annuus thrives across hardiness zones 2 through 11, making it accessible to gardeners nearly everywhere in North America. Sow seeds directly into the ground one to two weeks after your last frost, or start them indoors in biodegradable pots four to six weeks earlier to avoid root disturbance. With full sun and moderate water, these plants deliver bold color that feels both dramatic and effortlessly natural.
Full Sun
Moderate
2-11
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Moderate
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Deep crimson petals make Drop Dead Red a standout among traditional yellow sunflowers, offering gardeners a chance to break the mold. The variety is open-pollinated, meaning you can save seeds year after year and reliably grow the same intense color year after year. Seeds germinate reliably between 50 and 75 degrees Fahrenheit, and the plants thrive in slightly acidic to neutral soil (pH 6.0 to 7.5). Hardy from zones 2 through 11, this cultivar brings dramatic scarlet tones to borders, cutting gardens, and meadow plantings where it catches the eye from across the yard.
Drop Dead Red Sunflower excels as a cutting flower, bringing rich red tones into arrangements where traditional yellow sunflowers feel predictable. The sturdy stems and large blooms make them excellent for fresh bouquets. They also serve as a bold focal point in landscape design, creating visual impact in garden borders and meadows where their deep color reads powerfully from a distance.
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Start seeds indoors 2 to 4 weeks before your average last frost date. Sow seeds in biodegradable pots to avoid root disturbance during transplanting, as sunflowers are sensitive to having their roots disturbed. Keep soil temperature between 50 and 75 degrees Fahrenheit for reliable germination.
Transplant seedlings outdoors 2 to 4 weeks before your average last frost date, or wait until 1 to 2 weeks after your last frost if direct sowing. The biodegradable pots can be planted directly into the ground, eliminating the shock of transplanting.
Sow seeds directly outdoors 1 to 2 weeks after your average last frost date. Plant seeds 1/4 inch to 1/2 inch deep in full sun. Water gently to keep soil moist until germination occurs.
For cut flowers, harvest blooms in the morning once petals have fully unfurled and the face feels firm. Cut stems at least 12 inches below the bloom head with a sharp knife. Remove foliage from the lower portion of the stem before placing in water. Sunflowers continue to open slightly after cutting, so harvest when petals are nearly flat but still have a few days of opening ahead.
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