Seeds
All seeds are grown on our farm without the use of chemicals; and are untreated, open-pollinated, hybrid-free and GMO-free.
Giganteus Sunflower Seeds
Giganteus Sunflower Seeds
Our own farm-grown Giganteus Sunflower (Helianthus annuus.) seeds for organic growing.
All seeds are grown on our farm without the use of chemicals; and are open-pollinated, hybrid-free and GMO-free.
1 pkg (30+ seeds)
Common Names
Giganteus Sunflower
Botanical Name
Helianthus annuus
Plant Family
Asteraceae (Daisy Family)
Native Range
The Americas
Life Cycle
Annual
Hardiness Zone
2-11
Habit
12+ feet tall. Mature seed heads are the size of dinner plates, often more than a foot across.
Sun/Soil
Full sun, regular garden soil. Drought tolerant once established.
Germination/Sowing
Seeds can be direct sown as soon as soil warms in spring, if transplanting do so with care to not stunt the plants.
Growing/Care
Sunflowers often need staking in windy areas. Water regularly in spring to get plants established.
Harvesting
Seed can be harvested once the flowers turn yellow/brown and seeds are dry and firm.
Culinary Uses
Seeds are edible.
Medicinal Uses
N/A
Themes
Cut Flowers, Low Maintenance, Attracts Pollinators.