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Helianthus, Dark-Eyed Sunflower, Purple-Disk Sunflower, Wild Sunflower 'Monarch'

Helianthusatrorubens

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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Helianthus (hee-lee-AN-thus)
Info
Species
atrorubens (at-roh-ROO-benz)
Info
Synonym
Sun Exposure

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Foliage

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Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger

Unknown - Tell us

Bloom Color
Bright Yellow
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

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Where to Grow

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

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Other details

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Soil pH requirements

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Patent Information

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Propagation Methods

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Seed Collecting

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Regional
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