When to Plant Snap Peas in Washington County, PA
Snap peas have edible pods with plump, sweet peas inside, combining the best features of snow peas and garden peas. They are a garden favorite for fresh eating.
Washington County, Pennsylvania is in USDA Zone 6a. The average last spring frost is April 23 and the first fall frost is October 28, giving you a growing season of approximately 188 days.
At an elevation of 1,083 feet, Washington County receives approximately 42.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Snap Peas during the growing season.
Washington County Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.3
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Snap Peas Planting Timeline — Washington County, PA
Snap Peas Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 26 | Feb 26 – Mar 12 |
| Transplant Outdoors | May 7 | May 7 – May 21 |
| Direct Sow | April 30 | Apr 30 – May 21 |
| Harvest | July 2 | Jul 2 – Aug 27 |
Plant 1" deep · 4" apart · Rows 18" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
55–70 days
Soil pH
6 – 7.5
USDA Zone
Zone 6a
Growing Season
188 days
Growing Tips for Washington County
Direct sow in early spring as soon as soil can be worked. Provide a trellis 4-6 feet tall. Harvest when pods are plump and snap cleanly when bent.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Snap Peas in Other Locations
Frequently Asked Questions
When should I plant Snap Peas in Washington County, PA?
Washington County is in Zone 6a with an average last frost of April 23. Plan your Snap Peas planting based on this frost date — see the calendar above for exact timing.
What planting zone is Washington County, PA?
Washington County, Pennsylvania is in USDA Hardiness Zone 6a. The average last spring frost is April 23 and first fall frost is October 28.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Washington County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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