Is it deer resistant?

Yes

Silver Wattle is deer resistant.

Acacia dealbata

Deer: Rarely
Height: 49 ft 10 in (15.2 m)
Spread: 49 ft 10 in (15.2 m)
Zones: 9–12
Light: Full sun

Shrub
Tree

Silver Wattle (Acacia dealbata)

Photo: Pavithra mallan · CC0

Also called Blue Wattle, Mimosa, Acacia Decurrens Var. Dealbata, Racosperma Dealbatum

More details

Light: Full sun
Water: Low
Type: Shrub, Tree
Maintenance: Low
Bloom: Fall, Spring, Summer, Winter

More in Acacia