Kirilow's Indigo

Indigofera kirilowii

Native to:
China, Japan, Korea

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Indigofera
Species:
Indigofera kirilowii
USDA Symbol:
INKI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
90 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
pink, rose
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers sunny locations with good air circulation

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification of hard seed coat improves germination rates significantly. Seeds may also benefit from hot water treatment.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires soaking 24-48 hrs; discard floaters.

Source: Ontario Rock Garden & Hardy Plant Society