Thomas' Sage

Salvia thomasiana

Native to:
Leeward Is., Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lamiaceae
Genus:
Salvia
Species:
Salvia thomasiana
USDA Symbol:
SATH2

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
blue, violet

Wildlife Benefits

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

Garden & Ecology Notes

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

Soil Requirements

Soil Type:
rocky, well-drained, calcareous soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky slopes and limestone areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Requires light for germination; surface sow and do not cover seed.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Most interbreed and seed may not be what is labelled

Source: Ontario Rock Garden & Hardy Plant Society