Is it deer resistant?

Yes

Coast Silktassel is deer resistant.

Garrya elliptica

Deer: Rarely
Height: 20 ft (6.1 m)
Spread: 16 ft (4.9 m)
Zones: 8–12
Light: Full sun

Shrub
Tree
Vine

Coast Silktassel (Garrya elliptica)

Photo: al_kordesch · CC0

Also called Silk Tassel Bush, Wavyleaf Silktassel

More details

Light: Full sun, Partial shade
Water: Low
Type: Shrub, Tree, Vine
Maintenance: Low
Growth: Fast
Bloom: Winter
Foliage: Evergreen
Features: Flowering
Best uses: Hedge, Play area, Small tree