Leucophyllum frutescens (Texas Barometer Bush)


Botanical Information

FamilyScrophulariaceae
GenusLeucophyllum
Speciesfrutescens
CategoryWoody
TypeShrub (evergreen)
OriginNative to Texas and Mexico.

Details

USDA Hardiness Zone8 - 10
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season preotection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H5
RHS Hardiness Ref.
Temperature (°C)1 - (-15)
Temperature (°F)33 - 5
Height1 - 2.4 m
Spread1 - 1.8 m

Description and Growing Information

ShapeBushy and spreading.
LandscapeHedge, windbreak, screen, foundation, borders and large container planting.
PropagationSeed and cuttings.
CultivationFull sun. Well-drained and moist soil. Prefers alkaline, gravelly, dry to medium, well-drained soil.
PestsCotton root rot may be a problem.
HabitatRocky limestone slopes.
Leaf DescriptionThe leaves are 2 - 3 cm long with stellate hairs.
Flower DescriptionSmall, 5-lobed, tubular flowers that are 2 - 3 cm long and bloom singly from the leaf axils. Flower bloom is triggered by rain or significant soil moisture.
Fruit DescriptionFlowers give way to 2-valved capsules.
Colour DescriptionThe leaves are a greyish-silver. The flowers are purple.

Photographs