Arizona White Oak
Quercus arizonica
- Native to:
- Mexico, United States
Billy Aguirre
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fagaceae
- Genus:
- Quercus
- Species:
- Quercus arizonica
- USDA Symbol:
- QUAR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 1830 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
Wildlife Benefits
- Butterflies & Moths:
- ★★★★★ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
angled sallow (Perigonica angulata), Arizona emerald (Nemoria arizonaria), Dicogaster coronada, Egira simplex, Himmacia huachucella, Homorthodes reliqua, Lacinipolia rodora, oak borer moth (Carmenta querci), Oslar's oakworm moth (Anisota oslari), Quadrina diazoma, Juvenal's Duskywing (Erynnis juvenalis), Propertius Duskywing (Erynnis propertius)
Garden & Ecology Notes
- Wildlife Value:
- birds, mammals, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Thick bark provides moderate fire resistance; can resprout after low-severity fire.
Soil Requirements
- Soil Type:
- rocky, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- adapted to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds require cold stratification for 30-60 days; germination occurs in spring.
Pre-treatment: None required
Establishment: P. quadrifolia is found on the western edge of the Colorado desert in Arizona and California to lower California.
Source: npn.rngr.net
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)