Sonoran Scrub Oak

Quercus turbinella

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fagaceae
Genus:
Quercus
Species:
Quercus turbinella
USDA Symbol:
QUTU2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
500 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may
Landscaping Shrub:
Yes

Wildlife Benefits

Caterpillars:
★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Acrobasis comptella, Andromache Underwing (Catocala andromache), Cameraria jacintoensis, Cameraria temblorensis, Catocala californiensis, Decodes fragariana, Gloveria medusa, Grote's buck moth (Hemileuca grotei), habrosana leafroller moth (Pseudexentera habrosana), Oslar's oakworm moth (Anisota oslari), Rhodophaea kofa, Telphusa sedulitella, tiger moth (Malacosoma tigris), Tischeria consanguinea, Xenolechia querciphaga

Garden & Ecology Notes

Wildlife Value:
birds, small mammals, deer
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from root crown after fire. Common in chaparral and pinyon-juniper communities with periodic fire regimes.

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
adapted to arid, desert-like conditions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Acorns should be planted fresh in fall or cold stratified. Remove cap before planting.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.

Notes: Seeds may require light for optimal germination.

Source: Claude AI