Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fagaceae

Genus:

Quercus

Species:

Quercus grandidentata

USDA Symbol:

QUGR4

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

3000 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:

yellow, brown

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Thick bark provides some fire resistance; can resprout after low-severity fire.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.0 - 6.5 (acidic to slightly acidic)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers upland areas with sandy soils

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

30–90 days

Notes:

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