Texas Lignum-Vitae

Guaiacum angustifolium

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Zygophyllaceae
Genus:
Guaiacum
Species:
Guaiacum angustifolium
USDA Symbol:
GUAN

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
250 cm
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
mar,apr,may,jun,jul,aug,sep,oct
Bloom Colors:
purple, violet, blue
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Butterflies:Lyside Sulphur (Kricogonia lyside)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown following fire or mechanical damage. Adapted to semi-arid brush fires.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, drought-tolerant

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Seeds have hard coat requiring scarification. Fresh seed germinates more readily than older seed.

The above propagation data sourced from Claude AI