Helianthus, Annual Sunflower, Common Sunflower 'Rostov'

Helianthusannuus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Helianthus (hee-lee-AN-thus)
Species
annuus (AN-yoo-us)
Synonym
Sun Exposure
Full Sun
Height
6-8 ft. (1.8-2.4 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Bloom Color
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Annuals
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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Gardener's Notes:

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positive
1
neutral
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negative
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B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Classic Russian sunflower. Heads grow up to 12" in diameter on 6' stalks. Large plants are very sturdy and withstand wind well. Very good...Read More

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