Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fagaceae

Genus:

Quercus

Species:

Quercus × giffordii

USDA Symbol:

QUGI

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

1500 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, mammals

Fall Color:

red, orange

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Thick bark provides some fire resistance; resprouts from root crown after low to moderate severity fire.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

30–90 days

Notes:

Acorns require cold stratification for 30-60 days to break dormancy; sow in fall or after stratification.