Alvord Oak

Quercus ×alvordiana

Alvord Oak

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fagaceae
Genus:
Quercus
Species:
Quercus ×alvordiana

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
12-20 ft
Light Requirements:
Full Sun
Bloom Months:
feb, mar, apr, may
Bloom Colors:
Green, Brown

Native Range

United States: California

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Acleris hastiana, Acrobasis comptella, Andromache Underwing (Catocala andromache), California oakworm (Phryganidia californica), Caloptilia sp., Cameraria jacintoensis, Cameraria serpentinensis, Cameraria temblorensis, Chionodes chrysopyla, Chionodes trichostola, Coleophora querciella, Decodes fragariana, Dyseriocrania auricyanea, Epinotia emarginana, Exoteleia graphicella, fruit-tree leafroller (Archips argyrospila), Gloveria medusa, habrosana leafroller moth (Pseudexentera habrosana), Henricus sp., Mesogona subcuprea, orange tortrix moth (Argyrotaenia franciscana), Pacific tent caterpillar (Malacosoma constricta), Rectiostoma fernaldella, Recurvaria sp., Rhodophaea cruza, Slossonia rubrotincta, Telphusa sedulitella, Tischeria consanguinea, Trachycera caliginella, Xenolechia querciphaga, Xenolechia staspa, Gold-hunter's hairstreak (Satyrium auretorum)

Soil Requirements

Soil Type:
well-drained, rocky or sandy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, prefers dry conditions

Germination Information

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

Source: OpenAI GPT-4o