Tecoma stans (L.) Juss. ex Kunth

vernacular yellow trumpetbush — species · Bignoniaceae

USDA: TEST
GBIF: 3172492
Rank: species

yellow trumpetbush (Tecoma stans) — Platephotograph · lyndahicklin_05CC BY-NC source · iNaturalist ↗

§2Habit & range

Growth habit: Shrub, Tree
Duration: Perennial
Group: Dicot
Family: Bignoniaceae Juss.
Genus: Tecoma

§2a

Native status, by region

HI Hawaii Introduced
L48 Lower 48 States Native
PB Pacific Basin (except Hawaii) Introduced
PR Puerto Rico Native
VI U.S. Virgin Islands Native

§2b

County-level range

· 31 counties across 4 states/territories

Legend Native · 31 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: High
Shade: High
Moisture use: Low
Fire: Medium
Salinity: None
Anaerobic: None
CaCO₃: High
Hedging: Medium

§3b

Climate & soil

Cold tolerance: 17 °F minimum
Frost-free days: 200 min.
Precipitation: 10–40 in/yr
pH range: 6.5–8
Root depth: 12 in min.
Fertility need: Low
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Multiple Stem
Growth rate: Rapid
Lifespan: Moderate
Mature height: 20 ft
Height @ 20 y: 20 ft
Foliage texture: Fine
Foliage colour: Green
Porosity (summer): Porous
Porosity (winter): Porous
Flower colour: Yellow
Fruit colour: Brown
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Indeterminate
Seed abundance: High
Seed begins: Summer
Seed ends: Fall
Spread rate: None
Stratify: No
Seeds / lb: 100,000
Propagation: seed, cuttings, bare root, container

§3e

Use & availability

Commercial availability: Routinely Available
Nursery stock: Yes
Browse palatability: Low
Graze palatability: Low
Palatable, human: No
Protein potential: Low
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 31 counties across 4 states/territories.

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/TEST ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3172492 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T10:50:45Z