English Wallflower, Common Wallflower, Erysimum cheiri
Family: Brassicaceae (brass-ih-KAY-see-ee) (Info)
Genus: Erysimum (er-RIS-ih-mum) (Info)
Species: cheiri (kye-EE-ee) (Info)
Synonym:Cheiranthus cheiri
Category:
Biennials
Perennials
Height:
18-24 in. (45-60 cm)
Spacing:
15-18 in. (38-45 cm)
Hardiness:
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
All parts of plant are poisonous if ingested
Bloom Color:
Red
Scarlet (Dark Red)
Orange
Bright Yellow
Bloom Time:
Mid Spring
Late Spring/Early Summer
Foliage:
Evergreen
Herbaceous
Other details:
Average Water Needs; Water regularly; do not overwater
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information:
Non-patented
Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Read more: http://davesgarden.com/guides/pf/go/1562/#ixzz3GikeG2hk