Is it deer resistant?

Yes

Large Speedwell is deer resistant.

Veronica austriaca

Deer: Rarely
Height: 2 ft (61 cm)
Spread: 2 ft (61 cm)
Zones: 4–9
Light: Full sun

Perennial

Large Speedwell (Veronica austriaca)

Photo: Nicolas Weghaupt · CC0

Also called Austrian Speedwell, Broadleaf Speedwell, Saw-Leaved Speedwell, Hungarian Speedwell

Perennial Veronica

More details

Light: Full sun, Partial shade
Water: Medium
Type: Perennial
Maintenance: Low
Bloom: Spring, Summer

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