Family: Onagraceae (on-uh-GRAY-see-ee) (Info)
Genus: Oenothera (ee-no-THEE-ruh) (Info)
Species: hookeri (HOOK-er-ee) (Info)
Synonym:Oenothera elata subsp. hookeri
Synonym:Oenothera biennis var. hookeri
 One member has or wants this plant for trade.
Category:
Alpines and Rock Gardens
Annuals
Biennials
Height:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness:
Unknown - Tell us
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
N/A
Bloom Color:
Bright Yellow
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Velvet/Fuzzy-Textured
Mottled
Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
Patent Information:
Unknown - Tell us
Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked
Seed Collecting:
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
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