Siam Benzoin

Styrax tonkinensis

Native to:
Cambodia, China, Laos, Thailand, Vietnam

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Styracaceae
Genus:
Styrax
Species:
Styrax tonkinensis
USDA Symbol:
STTO7

Growth Characteristics

Height:
2000 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
white

Garden & Ecology Notes

Wildlife Value:
bees
Fragrant:
Yes
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to forested areas with high organic content

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–90 days
Notes:
Fresh seed germinates best; older seed may require cold stratification to break dormancy.

The above propagation data sourced from Claude AI