Mammoth Grey Stripe Sunflowers
$3.00
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25 SEEDS. Helianthus annuus. 90 - 110 days. Annual. Zones 2 - 11. Giant 9 - 12' stalks produce massive 12" heads of sunshine yellow blooms that are prized for their delicious seeds. One of the tallest flowers in the world! Grows vigorously and creates a stunning backdrop to your garden. Direct sow 2 - 3 seeds 1/2" deep and 18 - 24" apart in rich, well-drained soil after the last frost date has passed. Plant at the Northern end of the garden to prevent overshadowing and shelter from strong winds. Full sun. Germinates in 7 - 14 days. Water regularly at the soil level throughout the growing season. Trim any declining foliage as it appears. Stake or provide proper support. Grows 9 - 12' tall with a 36 - 40" spread.
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