Is it deer resistant?

Yes

African Wonder Tree is deer resistant.

Ricinus communis

Deer: Rarely
Height: 10 ft (3 m)
Spread: 4 ft (1.2 m)
Zones: 9–12
Light: Full sun

Annual
Biennial
Perennial
Shrub
Tree

African Wonder Tree (Ricinus communis)

Photo: Dispe · CC0

Also called Castor Bean, Castor Bean Plant, Castor Oil Plant, Mole Bean Plant

More details

Light: Full sun
Type: Annual, Biennial, Perennial, Shrub
Maintenance: Low
Growth: Fast
Bloom: Fall, Summer
Foliage: Evergreen
Features: Drought tolerant, Flowering, Poisonous
Best uses: Container, Specimen