Is it deer resistant?

Yes

Cypress is deer resistant.

Microbiota decussata

Deer: Rarely
Height: 12 in (31 cm)
Spread: 12 ft (3.7 m)
Zones: 3–8
Light: Full sun

Conifer
Ground cover
Needled Evergreen
Perennial
Shrub

Cypress (Microbiota decussata)

Photo: MartinThoma · CC0

Also called Russian Arborvitae, Siberian Carpet Cypress, Siberian Cypress

Ground cover Microbiota

More details

Light: Full sun, Partial shade
Water: Medium
Type: Conifer, Ground cover, Needled evergreen, Perennial
Maintenance: Low
Growth: Medium
Bloom: Spring
Foliage: Evergreen
Features: Flowering
Best uses: Border, Foundation, Slope