Aethionema oppositifolia (Stone Cress)


Botanical Information

FamilyBrassicaceae
GenusAethionema
Speciesoppositifolia
SynonymsEunomia oppositifolia
CategoryPerennials
OriginLebanon, Caucasus

Details

USDA Hardiness Zone4a - 9b
USDA Hardiness Ref.
Canadian Hardiness Zone2a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H7
RHS Hardiness Ref.
Temperature (°C)-34 - 0
Temperature (°F)-30 - 30
Height8 - 15 cm
GrowthSlow
Flowering PeriodApril, May

Description and Growing Information

General DescriptionA tufted perennial with pink-lilac flowers and fleshy evergreen leaves.
ShapeTufted.
PropagationEasily hybridizes and self-seeds.
CultivationGrow in full sun in a well-drained, neutral or alkaline soil.
Notable SpecimensThe A.M. Cuddy Gardens, Strathroy, Ontario, Canada.
HabitatFound in sunny limestone habitats.
Leaf DescriptionOverlapping, fleshy leaves to 10 mm in length.
Flower DescriptionFlowers are pink-lilac in colour, with 4 petals, appearing on simple stems.
Fruit DescriptionFruit is ovate, to 1 mm, with 4 seeds.

Photographs