Is it deer resistant?

Yes

Adam's Needle is deer resistant.

Yucca flaccida

Deer: Rarely
Zones: 4–10
Light: Full sun

Perennial
Shrub

Adam's Needle (Yucca flaccida)

Photo: KATHERINE WAGNER-REISS · CC BY-SA 4.0

Also called Flaccid Leaf Yucca, Floppy Yucca, Weakleaf Yucca

Perennial Yucca

More details

Light: Full sun
Type: Perennial, Shrub
Maintenance: Low
Growth: Slow
Bloom: Summer
Foliage: Evergreen
Features: Drought tolerant, Edible, Flowering, Native, Poisonous
Best uses: Accent, Container, Mass planting, Path, Patio, Specimen, Vertical

More in Yucca