Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Acanthaceae

Genus:

Thunbergia

Species:

Thunbergia grandiflora

USDA Symbol:

THGR3

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Vine

Height:

600 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug,sep,oct,nov

Bloom Colors:

blue, lavender, white

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

butterflies, hummingbirds, bees

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

prefers fertile soil with good organic content

Propagation & Germination

Stratification:

None required

Germination Time:

14–21 days

Notes:

Seeds germinate readily in warm conditions (70-75°F). Fresh seed germinates best; soak seeds overnight before sowing.

The above propagation data sourced from Claude AI