Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Vitaceae

Genus:

Vitis

Species:

Vitis rupestris

USDA Symbol:

VIRU2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub , Vine

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun

Bloom Colors:

green

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, small mammals

Fall Color:

yellow, red

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from the root crown following fire. Historically common in fire-maintained glades and rocky barrens.

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

thrives in rocky riverbanks and hillsides

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–42 days

Notes:

Seeds require cold stratification. Germination can be erratic; maintaining consistent moisture improves success.

The above propagation data sourced from Claude AI