When to Plant Parsnip in Palmer, AK
Parsnips are a sweet, nutty root vegetable that develops best flavor after exposure to frost. They require a long growing season but reward patient gardeners.
Palmer, Alaska is in USDA Zone 4a. The average last spring frost is May 17 and the first fall frost is September 18, giving you a growing season of approximately 124 days.
At an elevation of 1,177 feet, Palmer receives approximately 52.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 69°F, so choose short-season varieties of Parsnip to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Parsnip root diseases.
Palmer Soil Profile
Soil Type
Silt Loam
Soil pH
4.9-6.7
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
Parsnip Planting Timeline — Palmer, AK
Parsnip Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 10 | May 10 – May 31 |
| Fall Sowing | June 26 | Jun 26 – Jul 10 |
| Harvest | August 23 | Aug 23 – Oct 4 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Direct Sow |
| June | Fall Sowing |
| July | Fall Sowing |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
100–130 days
Soil pH
6 – 7
USDA Zone
Zone 4a
Growing Season
124 days
Growing Tips for Palmer
Use only fresh seed as parsnip seed viability declines rapidly. Sow directly in spring in deeply worked soil. Leave roots in the ground through winter for sweetest flavor.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Parsnip in Other Locations
Frequently Asked Questions
When should I plant Parsnip in Palmer, AK?
Palmer is in Zone 4a with an average last frost of May 17. Plan your Parsnip planting based on this frost date — see the calendar above for exact timing.
What planting zone is Palmer, AK?
Palmer, Alaska is in USDA Hardiness Zone 4a. The average last spring frost is May 17 and first fall frost is September 18.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Palmer gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.
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