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Helianthus, Annual Sunflower, Common Sunflower 'Rostov'

Helianthusannuus

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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Helianthus (hee-lee-AN-thus)
Info
Species
annuus (AN-yoo-us)
Info
Synonym
Sun Exposure
Full Sun
Foliage

Unknown - Tell us

Height
6-8 ft. (1.8-2.4 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger

Unknown - Tell us

Bloom Color

Unknown - Tell us

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

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements

Unknown - Tell us

Patent Information

Unknown - Tell us

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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berrygirl
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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