European grape

Vitis vinifera

Vitaceae · vine groundcover · introduced

Last updated

Data Maturity Structured

This profile synthesizes data from multiple published sources. Expert field review is in progress.

Quick Facts

Height
15-30 ft (unpruned); 4-6 ft (managed on trellis)
Spread
6-10 ft (managed on trellis)
Growth Rate
Fast
Light
Full Sun
Soil
Well Drained
Water
Low
Hardiness
Zone Zones 6–10
Bloom Time
June
Fall Color
Yellow, red, purple
Origin
Mediterranean region, Central Europe, southwestern Asia

Phenological Calendar

As of April 24, 2026, Puget Sound stations range from 1455.1 to 1613.4 GDD₃₂. European grape typically reaches shoot growth at 1596 GDD₃₂, predicted around Apr 26.

Regional Season Tracker

GDD₃₂ accumulation across 7 Puget Sound stations · as of Apr 24, 2026
Station GDD₃₂ Current Stage Next To Go
Issaquah / East King 1,613 Shoot growth — —
Seattle / UW 1,574 Pre-season Shoot growth 22
Kent / Auburn 1,559 Pre-season Shoot growth 37
Olympia / Tumwater 1,524 Pre-season Shoot growth 73
Bellingham / Whatcom 1,504 Pre-season Shoot growth 92
Tacoma / Puyallup 1,492 Pre-season Shoot growth 104
Sequim / Rain Shadow 1,455 Pre-season Shoot growth 141
Stage GDD32 Typical Window
Bud break BBCH 07 — Mar 15-Apr 15
○ Shoot growth BBCH 15 NEXT 1596 Apr 15-May 15 est. Apr 26 (forecast)
Bloom BBCH 65 — Jun 1-Jun 30
Fruit set BBCH 71 — Jun 15-Jul 15
Veraison BBCH 83 — Aug 1-Sep 1
Harvest maturity BBCH 89 — Sep 1-Oct 15
Leaf senescence BBCH 93 — Oct 15-Nov 15

GDD = Growing Degree Days (base 32°F, Jan 1 start). Why base 32? Hover over GDD values for source details. Season tracker for Kent / Auburn as of Apr 24, 2026. Predicted dates use 16-day weather forecast through May 10, 2026, then climate normals.

Diseases (3)

Cultivars (2)

''Interlaken''
Seedless table grape. Early ripening; reliable in western WA. Sweet, golden-green fruit.
Good choice for Puget Sound home gardens
''Canadice''
Seedless table grape. Red, very sweet, early ripening.