Glandora prostrata 'Grace Ward' (Grace Ward Lithodore)


Botanical Information

FamilyBoraginaceae
GenusGlandora
Speciesprostrata
Cultivar'Grace Ward'
SynonymsLithodora diffusa (Name changed to Glandora prostrata in 2019)
CategoryPerennials
TypeShrub (evergreen)

Details

USDA Hardiness Zone6
USDA Hardiness Ref.
Canadian Hardiness Zone7
Canada Hardiness Ref.
RHS Hardiness ZoneH6
RHS Hardiness Ref.
Temperature (°C)-23 - (-18)
Temperature (°F)-10 - 0
Height15 cm
Spread1 m
GrowthSlow
Flowering PeriodMay, June, July, August

Description and Growing Information

General DescriptionA low growing mat of dark green foliage with blue blossoms in late spring, sporadically reblooming throughout the summer.
ShapeMat forming.
LandscapeGreat for sunny sites and rock gardens.
PropagationPropagate through semi-hardwood cuttings.
CultivationGrow in full sun in a well-drained, acidic soil. Tolerant of drought-like conditions once established.
PestsNo notable pest or disease problems.
HabitatHorticultural origin.
Leaf DescriptionLeaves are dark green, oblong and small, coarsely pubescent.
Flower DescriptionFlowers are an intense blue, with five petals, to 15 mm across, appearing in late spring and reblooming sporadically throughout the summer.

Photographs