Washington Growing Guide
Capital: Olympia • Pacific Region
Complete growing guide for Washington gardeners. Learn what to plant, when to plant, and how to succeed with marine to semi-arid climate conditions across zones 4, 5, 6, 7, 8, 9.
USDA Zones
Days Season
Last Frost (Early)
First Frost (Early)
Climate & Growing Conditions
Climate Type
Marine to Semi-arid
Growing season of 130 to 260 days
Frost Dates
Last Spring Frost: March 15 – June 1
First Fall Frost: September 15 – November 15
Common Soil Types
⚠️ Growing Challenges
- •Rain (west)
- •Dry/irrigation needed (east)
- •Slugs
- •Cool summers (west)
✓ Growing Advantages
- ✓Irrigation infrastructure (east)
- ✓Mild climate (west)
- ✓Long summer days
Washington's Famous Crops
Crop Guides for Washington
Select a crop for Washington-specific growing instructions
Burgundy
55-65 days
Clemson Spineless
55-65 days
Emerald
55-65 days
Jing Orange (Chinese)
55-65 days
⚠️ Required Corrections Before Sync
55-65 days
Star of David (Israeli)
55-65 days
American Flag
80-150 days
Bandit
80-150 days
King Richard
80-150 days
Lancelot
80-150 days
Ailsa Craig
105-125 days
Ambition (F1)
90-120 days
Cipollini Red
80-95 days
Cipollini Yellow
80-95 days
Conservor (F1)
90-120 days
Copra
104-114 days
Copra (F1)
90-120 days
Dutch Yellow
90-120 days
Evergreen Hardy White
60-80 days
Evergreen White
60-70 days
French Gray (Griselle)
90-120 days
Nabechan (F1)
60-80 days
Patterson
104-114 days
Pink Root
90-120 days
+26 more varieties available
📅 Washington Monthly Planting Calendar
See what to plant each month in Washington based on your local frost dates
View Monthly Calendar →Resources
Washington Cooperative Extension
Get expert local advice from your state's agricultural extension service
Visit Washington Extension →Weekly Growing Tips
Get seasonal planting reminders, crop rotation tips, and farm planning strategies delivered weekly.