Deer‑Resistant Perennials for Zone 9 California: Spuria, Siberian Iris, Daylilies

Deer Resistance Rankings

A Northern California (Zone 9) gardener asks about deer resistance of Spuria iris, Siberian iris, and daylilies for a sunny border.

Expert Assessment

• Siberian iris: Deer generally avoid it.
• Daylilies: Deer “just aren’t fond of” them, but may eat if desperate.
• Spuria iris: Uncertain; some sources say deer don’t prefer it, but they’ll eat it as a last resort.

Research Resources

• deerxlandscape.com
• uvm.edu (University of Vermont deer‑resistant plant lists)

Border Design Tip

Mix the more resistant Siberian iris and daylilies with other proven deer‑resistant plants like lavender, salvia, yarrow, and ornamental grasses for a robust border.