Senna artemisioides (Wormwood Senna, Silver Cassia, Feathery Cassia)


Botanical Information

FamilyCaesalpiniaceae
GenusSenna
Speciesartemisioides
SynonymsCassia artemisioides
CategoryTropicals, Woody
TypeShrub (evergreen)
OriginAustralia.

Details

USDA Hardiness Zone12
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season preotection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1b
RHS Hardiness Ref.
Temperature (°C)13
Temperature (°F)55
Height1.5 m - 2.5 m
Spread1 m - 1.5 m
GrowthMedium
Flowering PeriodMay, June, July, August, September, October, November

Description and Growing Information

ShapeClumping.
LandscapeContainers, indoor/outdoor potted plantings, as ground cover, in shrub gardens, as a potted patio plant, around cottages or as a specimen.
PropagationSeed or semi-hardwood cuttings.
CultivationGrow under glass in full sun in a well-draining, loamy compost-based soil.
PestsNone known.
Notable SpecimensKings Park and Botanical Garden, Perth, Australia.
HabitatDry sunny slopes and plains.
Bark/Stem DescriptionSmooth and sometimes waxy glaborous stems.
Leaf DescriptionPinnate leaves with a smooth waxy surface and appearance.
Flower DescriptionAxillary or terminal racemes of small simple, bowl-shaped, 5-petaled flowers that typically measure 2 - 5 cm in diameter. Flowers are fragrant.
Colour DescriptionSilvery-green foliage and stems. Buttery yellow flowers with flecks of brown.
Texture DescriptionSmooth and waxy.

Photographs