Alyssum stribrnyi (Madwort)


Botanical Information

FamilyBrassicaceae
GenusAlyssum
Speciesstribrnyi
SynonymsAlyssum montanum var. galicicae
CategoryPerennials
OriginThe Balkan Peninsula.

Details

USDA Hardiness Zone3a
USDA Hardiness Ref.
Canadian Hardiness Zone4
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-39°
Temperature (°F)-40°
Height15 cm
Spread22 - 30 cm
GrowthSlow
Flowering PeriodMay, June

Description and Growing Information

General DescriptionA tufted but slightly spreading alpine-like plant.
ShapeTufted and spreading.
LandscapeGroundcover, alpines and rock gardens.
PropagationDividing the rootball. Seed. Winter sow in vented containers, cold-frame or unheated greenhouse. Stratify if sowing indoors. Simple layering and stool or mound layering.
CultivationFull sun and partial-shade. Well-drained soil. Drought tolerant.
Notable SpecimensThe University of Alberta Botanic Garden, Devon, Alberta, Canada.
Leaf DescriptionThe stem is 10 - 20 cm in length. Leaves spathulate to obovate in shape.
Flower Description6 - 8 mm wide.
Colour DescriptionThe leaves are greyish-green in colour. The flowers are yellow.

Photographs