Hypericum kamtschaticum

Hypericum kamtschaticum

Native to:
Japan | Kuril Is. | Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Hypericaceae
Genus:
Hypericum
Species:
Hypericum kamtschaticum

Growth Characteristics

Growth Habit:
Forb/herb , Subshrub
Height:
30 cm
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
yellow

Keystone Species Ranking

Caterpillar Keystone:
★★★☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Source: deepseek-v4-flash

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily after cold stratification; surface sow on moist medium.

Source: deepseek-v4-flash

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society