Is it deer resistant?

Yes

Trumpetbush is deer resistant.

Tecoma stans

Deer: Rarely
Height: 25 ft (7.6 m)
Spread: 20 ft (6.1 m)
Zones: 9–12
Light: Full sun

Shrub
Tree

Trumpetbush (Tecoma stans)

Photo: MaheSwara · CC0

Also called Trumpetflower, Yellowbells, Yellow Elder, Yellow Trumpetbush

More details

Light: Full sun, Partial shade
Water: Low, Medium
Type: Shrub, Tree
Maintenance: Low
Growth: Medium
Bloom: Fall, Spring, Summer
Foliage: Evergreen
Features: Drought tolerant, Flowering
Best uses: Accent, Border, Container, Hedge, Patio, Privacy, Specimen