Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fagaceae

Genus:

Quercus

Species:

Quercus × rolfsii

USDA Symbol:

QURO4

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub , Tree

Height:

2500 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

mar,apr,may

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, squirrels, deer, small mammals

Fall Color:

red, orange, brown

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Like other oaks, can resprout from root crown after fire. Thick bark provides some fire resistance as tree matures.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to sandy ridges and dry uplands

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–60 days

Notes:

Acorns should be planted fresh in fall or cold stratified. Germinates best at cool temperatures with consistent moisture.

The above propagation data sourced from Claude AI