Mongolian Giant Sunflower
Helianthus annuus
Price: $3.70
SKU: 10001121Choose a variant:
Mongolian Giant Sunflower is an open pollinated heirloom known for its sheer size. Plants reach about 12 to 14 feet tall and carry a single flower head per stem. Each head spans about 16 to 18 inches.
Mongolian Giant also has very large seeds, around 1.5 inches in length. They roast well and are good for snacking or feeding birds. Strong stalks support the heavy heads, though staking helps in windy areas.
Mongolian Giant also has very large seeds, around 1.5 inches in length. They roast well and are good for snacking or feeding birds. Strong stalks support the heavy heads, though staking helps in windy areas.
Plant Size (Height): 144
Spacing Requirements: 18
Days to Maturity: 90
Lifespan: Annual
Sun Requirements: Full Sun
Drought Tolerant: ✔️
Bloom Color: Gold
Wildlife Interactions: Attracts Bees
Genetic Classification: Open Pollinated
Spacing Requirements: 18
Days to Maturity: 90
Lifespan: Annual
Sun Requirements: Full Sun
Drought Tolerant: ✔️
Bloom Color: Gold
Wildlife Interactions: Attracts Bees
Genetic Classification: Open Pollinated
Planting Instructions: Sunflowers are very easy to grow and because of their size, quite spectacular for a child's garden.
Sow directly outdoors, ¾ inches deep. Thin the plants at first to 8 inches and then to two feet to avoid crowding. (We have had good luck transplanting)
Water regularly and weed between the plants to eliminate competition.
Harvest the seeds by cutting the flowering heads when the backs have turned yellow. Complete the drying by hanging them upside down in a warm, dry place.
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