Yellow Trumpetbush

Tecoma stans

Native to:
Argentina, Bahamas, Bolivia, Cayman Is., Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Leeward Is., Mexico, Netherlands Antilles, Nicaragua, Palau, Panamá, Peru, Puerto Rico, Southwest Caribbean, Trinidad-Tobago, Turks-Caicos Is., United States, Venezuelan Antilles, Virgin Islands, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Bignoniaceae
Genus:
Tecoma
Species:
Tecoma stans
USDA Symbol:
TEST

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
900 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul,aug,sep,oct,nov
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Calleta silkmoth (Eupackardia calleta), Epinotia lantana, Puss caterpillar (Megalopyge opercularis)

Reported Fauna Sightings

Bees: American bumble (Bombus pensylvanicus), Bombus sonorus, Eastern Carpenter Bee (Xylocopa virginica), ⚠️Western honey bee (Apis mellifera), Xylocopa californica, Xylocopa micans, Xylocopa tabaniformis Moths:Antigastra catalaunalis, Atteva aurea, Horama panthalon, Obscure Sphinx (Erinnyis obscura), Rustic Sphinx (Manduca rustica) Butterflies:Callophrys xami, Clouded Skipper (Lerema accius), Gray Hairstreak (Strymon melinus), Marius Hairstreak (Rekoa marius)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, hummingbirds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from roots and base after fire or frost damage.

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
6.0 - 8.0 (slightly acidic to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in poor, rocky soils typical of arid regions

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily without pretreatment. Light may enhance germination.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months * water sparingly

Source: Ontario Rock Garden & Hardy Plant Society