Plectranthus argentatus (Silver Spurflower)


Botanical Information

FamilyLamiaceae
GenusPlectranthus
Speciesargentatus
CategoryAnnuals

Details

USDA Hardiness Zone11a - 11b
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1c
RHS Hardiness Ref.
Temperature (°C)4 - 10
Temperature (°F)40 - 50
Height60 - 90 cm
Spread60 - 90 cm
GrowthFast
Flowering PeriodJuly, August

Description and Growing Information

LandscapeWorks well in borders and containers.
PestsMealybugs, scale and mites are all possible pests.
Notable SpecimensThe A.M. Cuddy Gardens, Strathroy, Ontario, Canada.
Flower DescriptionWhite, tubular.

Photographs