Family: Asteraceae (ass-ter-AY-see-ee) (Info) Genus: Helenium (hel-EE-nee-um) (Info) Species: autumnale (aw-tum-NAH-lee) (Info) Cultivar: Helena Rote Tone Additional cultivar information: (aka Helena Red Shades, Red Shades, Helena Rote Töne)
5 members have or want this plant for trade.
Category: Perennials
Height: 4-6 ft. (1.2-1.8 m)
Spacing: 36-48 in. (90-120 cm)
Hardiness: USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) 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)
Sun Exposure: Full Sun
Danger: All parts of plant are poisonous if ingested
Bloom Color: Scarlet (Dark Red) Bright Yellow
Bloom Time: Late Summer/Early Fall Mid Fall
Foliage: Herbaceous
Other details: Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Patent Information: Non-patented
Propagation Methods: By dividing the rootball
Seed Collecting: N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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