Is it deer resistant?

Yes

Hardy Maidenhair Fern is deer resistant.

Adiantum x mairisii

Deer: Rarely
Height: 12 in (31 cm)
Spread: 3 ft (91 cm)
Zones: 6–10
Light: Partial shade

Fern
Perennial

Also called Mairis's Hardy Maidenhair Fern, Mairis's Maidenhair Fern

More details

Light: Partial shade, Shade
Type: Fern, Perennial
Maintenance: Low
Growth: Slow
Best uses: Container, Small space, Woodland

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