Cheiranthus allionii (Siberian Wallflower)


Botanical Information

FamilyBrassicaceae
GenusCheiranthus
Speciesallionii
CategoryPerennials
OriginNative to Europe.

Details

USDA Hardiness Zone3 - 9
USDA Hardiness Ref.
Canada Hardiness Ref.
RHS Hardiness Ref.
Temperature (°C)-39 - (-7)
Temperature (°F)-40 - 20
Height45 - 60 cm
Spread22 - 30 cm

Description and Growing Information

ShapeBushy and compact.
LandscapeOrnamental uses.
PropagationSemi-hardwood cutting and seed.
CultivationFull sun and partial-shade. Well-drained and most soil with a pH of 6.6 - 8.5 (Neutral, mildly alkaline and alkaline). Prefers clay, sandy and loamy.
Leaf DescriptionNarrow, come to a point and are 20 cm long.
Flower DescriptionSmall, simple, club-shaped flowers appear in clusters on a stem. Slightly fragrant.
Fruit DescriptionOnce flower has fallen away it leaves behind a long fruit which is narrow and hairy.
Colour DescriptionThe flowers are orange and red. The sepals are purplish-green.

Photographs