Rhododendron brachycarpum

Rhododendron brachycarpum

Native to:
Japan, Korea, Kuril Is., Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ericaceae
Genus:
Rhododendron
Species:
Rhododendron brachycarpum
USDA Symbol:
RHBR4

Growth Characteristics

Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
4.5 - 6.0 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, humid environments

Propagation & Germination

Stratification:
None required
Germination Time:
14–42 days
Notes:
Seeds require light for germination and should be surface sown. Best germinated at 60-70°F on moist peat-based medium.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Requires light or the seed is very fine. Surface sow and expose to light. * sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acidic mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter

Source: Ontario Rock Garden & Hardy Plant Society