Is it deer resistant?

Yes

Firecracker Plant is deer resistant.

Aesculus pavia

Deer: Rarely
Height: 25 ft (7.6 m)
Spread: 20 ft (6.1 m)
Zones: 4–10
Light: Full sun

Perennial
Shrub
Tree

Firecracker Plant (Aesculus pavia)

Photo: Daderot · CC0

Also called Red Buckeye, Scarlet Buckeye

Perennial Aesculus

More details

Light: Full sun, Partial shade
Water: Low, Medium
Type: Perennial, Shrub, Tree
Maintenance: High, Low
Growth: Medium
Bloom: Spring
Foliage: Deciduous
Features: Flowering, Native, Poisonous
Best uses: Flowering tree, Hedge, Naturalized, Specimen, Water edge, Woodland

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