Is it deer resistant?

Yes

Mediterranean Spurge is deer resistant.

Euphorbia characias subsp. wulfenii

Deer: Rarely
Height: 3 ft (91 cm)
Spread: 2 ft (61 cm)
Zones: 6–11
Light: Full sun

Perennial
Shrub

Mediterranean Spurge (Euphorbia characias subsp. wulfenii)

Photo: Daderot · CC0

Also called Spurge

Perennial Euphorbia

More details

Light: Full sun, Partial shade
Water: Low, Medium
Type: Perennial, Shrub
Maintenance: Low, Medium
Growth: Medium
Bloom: Spring
Features: Drought tolerant, Flowering
Best uses: Border, Container, Patio, Rock garden, Slope, Specimen

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