Delphinium tatsienense (Kang Ding Cui Que Hua, (Chinese))


Botanical Information

FamilyRanunculaceae
GenusDelphinium
Speciestatsienense
CategoryPerennials
OriginNative to China in south east Qinghai, western Sichuan and northern Yunnan provinces.

Details

USDA Hardiness Zone3a - 8b
USDA Hardiness Ref.
Canadian Hardiness Zone5
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-10 - (-20)
Temperature (°F)14 - (-4)
Height15 - 30 cm
Spread15 - 22 cm
GrowthFast
Flowering PeriodJuly, August

Description and Growing Information

ShapeUpright, clump-forming and branching.
LandscapeRock, cottage/informal gardens, beds and borders.
PropagationSeed. Direct sow outdoors in autumn. Winter sow in vented containers, cold frame or unheated greenhouse. Stratify if sowing indoors.
CultivationFull sun and partial-shade. Moist but well-drained soil with a pH of 6.1 - 7.8 (mildly acidic, neutral and alkaline). Prefers loamy, sandy and chalky soils.
PestsCaterpillars, slugs, snails and leaf-mining sawflies. Black blotch of Delphinium, crown rot and powdery mildew.
Notable SpecimensThe University of Alberta Botanic Garden, Devon, Alberta, Canada.
HabitatGrassy slopes and alpine meadows.
Leaf DescriptionDeeply fine cut leaves with toothed margins.
Flower DescriptionStems branching with lose spikes of flowers on long peduncles. 1.5 3 cm long (spur longer than sepals).
Colour DescriptionFlowers are blue to mauve in colour with the upper petals having a yellowish tint. The foliage is dark green in colour.

Photographs