Primula denticulata (Drumstick Primula)


Botanical Information

FamilyPrimulaceae
GenusPrimula
Speciesdenticulata
CategoryPerennials
OriginNative to the Himalayas and western China.

Details

USDA Hardiness Zone6a
USDA Hardiness Ref.
Canadian Hardiness Zone7
Canada Hardiness Ref.
RHS Hardiness ZoneH5
RHS Hardiness Ref.
Temperature (°C)(-15) - (-9)
Temperature (°F)(5) - 15
Height0.1-0.5 m
Spread0.1-0.5 m
GrowthSlow
Flowering PeriodMarch, April, May

Description and Growing Information

General DescriptionSmall, spreading succulent perennial plant.
ID CharacteristicGrey-blue leaves with a slightly wrinkled surface.
LandscapeFlower borders and rock gardens.
PropagationRoot cuttings collected in the autumn and cut into 5 cm lengths and placed horizontally in flats barely covering the top. Water and place in a cold frame until growth appears and then pot individually.
CultivationBest grown in deep moist soil.
PestsAphids, vine weevil and slugs
HabitatMoist meadows, open flowers and grassy slopes at an altitude of 1,500-4,100 m.
Leaf DescriptionOblong to oblanceolate, pubescent or subglabrous along the veins with a rounded to obtuse apex and attenuate base, 3-15 x 1.5-4 cm, grouped together to form a rosette.
Flower DescriptionFlowers violet, blue lavender, lilac, pink or white with a deep yellow eye.

Photographs