Wine Grape
Vitis vinifera • Vitaceae
🌱 Seed Category
Fruit
🌍 Origin Region
Mediterranean region and Central Europe; well-adapted to Mediterranean climates like Paso Robles, California
📅 Days to Maturity
3-5 years from seed to first significant fruit harvest; harvest window typically late summer to fall (August-October).
🌡️ Hardiness Zones
USDA Zones 7-10; perennial vine; sensitive to extreme winter freezes below 0°F.
About This Seed
Seeds are small (4-6mm), pear-shaped to ovoid, varying from light tan to dark brown with a hard, woody testa. The plant is a vigorous woody deciduous vine with lobed green leaves, tendrils for climbing, and clusters of small, dark blue-black berries with thick skins.
Growing Information
Growing Season
Spring planting; requires a long, warm growing season for fruit maturation
Germination
Germination time: 2-12 weeks; requires cold stratification (35-40°F) for 90-120 days to break dormancy; optimal soil temperature 70-85°F; light is not required for germination.
Planting Instructions
Planting depth: 1/2 inch deep; spacing: 6-10 feet between vines; prefers well-draining sandy loam or rocky soils; optimal pH: 5.5-6.5.
Sunlight & Water Needs
Full Sun (minimum 6-8 hours daily); moderate water needs during establishment, high drought tolerance once mature; prefers low humidity to prevent fungal disease.
Companion Plants
Beneficial companions include Clover (nitrogen fixation), Pelargoniums (distraction for pests), and Mustard. Avoid planting near Black Walnut (juglone sensitivity).
Special Characteristics
Drought tolerant, heat tolerant, high tannin content in skins, pollinator-friendly flowers, used primarily for winemaking, excellent source of resveratrol.