Helianthus annuus
Common Sunflower
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Common Sunflower (Helianthus annuus) - Description
This old fashion favorite has been a standard in the kitchen gardens of America forever. Attractive to both us humans and to our feathered friends who delight in the fall harvest of tasty seeds to help get them through the cooler months.
Common Sunflower (Helianthus annuus) - Blooming
Flowers bloom in the summer, but be aware that many cultivars will not come true from seeds.
Common Sunflower (Helianthus annuus) - Growth
Grow in sunny, open areas. Plant in drifts at the back corners and along fences. You should make sure tall varieties are sheltered from the wind or they may even need staking. They will tolerate heat, but frost will kill them.
Common Sunflower (Helianthus annuus) - Planting
Sow annual sunflowers outdoors after danger of frost has passed. You can also propagate from basal cuttings or from division. Their roots chemically inhibit the growth of some other plants.
Common Sunflower (Helianthus annuus) - Interesting facts
In addition to the edible seeds of sunflowers, there's another member of this genus that is edible. H. tuberosus, called the Jerusalem Artichoke, has an edible potato-like tuber that tastes similar to water chestnuts.
Common Sunflower (Helianthus annuus) - Soil and irrigation
Grow in average to fertile, well-drained neutral to slightly alkaline soil. For best growth, keep moist, as sunflowers are thirsty plants. They can survive drought.
