Helianthus annuus 'Mammoth Russian'
Common Sunflower
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Common Sunflower (Helianthus annuus 'Mammoth Russian') - Description
'Mammoth' Sunflower is the giant one! Huge heads are ideal for competition at fairs. Thin-shelled, striped seeds are plump, meaty and very plentiful. 12' stalks make for awesome displays in the garden and is a favorite for children gardens. Proven tops for performance and adaptability, this easy to grow annual will have birds by the droves coming to your garden if you don't beat them to the delicious seeds!
Common Sunflower (Helianthus annuus 'Mammoth Russian') - Blooming
Flowers bloom in the summer, but be aware that many cultivars will not come true from seeds.
Common Sunflower (Helianthus annuus 'Mammoth Russian') - 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 'Mammoth Russian') - 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 'Mammoth Russian') - 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 'Mammoth Russian') - 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.
