Silktree
Albizia julibrissin
- Native to:
- Bangladesh, China, India, Iran, Japan, Korea, Myanmar, Nansei-shoto, Nepal, Pakistan, Taiwan, Transcaucasus
Charles J. Sharp (www.wikidata.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Albizia
- Species:
- Albizia julibrissin
- USDA Symbol:
- ALJU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 1200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- pink
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★★☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
banana moth (Opogona sacchari), fragile anacamptodes moth (Anacamptodes fragilaria), mimosa webworm (Homadaula anisocentra)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, bees
- Salt Tolerant:
- Yes
- Fragrant:
- 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:
- native to regions with well-drained soils
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 30–60 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–30 days
- Notes:
- Seeds require scarification (nicking or hot water treatment) followed by warm stratification then cold stratification for best germination.
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires scarification. | Requires soaking 24-48 hrs; discard floaters.
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)