
Fraxinus pennsylvanica
Green Ash
TreeDeciduous
- Mature size
- 40–60 ft tall
20–40 ft wide - Sun
- Full Sun
- Water use
- Low
- USDA zones
- 3–9
Notable features
deer resistantfire resistant
Companion plants for Green Ash
Six water-wise companions matched on water use, sun, USDA zone, and how they layer visually beside Green Ash.

Snow-in-Summer
Cerastium tomentosum
Groundcover0.5–1 ft tallZones 3–7

English Lavender
Lavandula angustifolia
Perennial1–2 ft tallZones 5–9

Switchgrass
NativePanicum virgatum
Grass3–4 ft tallZones 4–9

Catmint
Nepeta x faassenii
Perennial1–2 ft tallZones 3–8

Rock Soapwort
Saponaria ocymoides
Groundcover0.33–0.42 ft tallZones 3–8

Big Sagebrush
NativeArtemisia tridentata
Shrub3–6 ft tallZones 4–9