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When to Plant Turnip in Prince of Wales-Hyder, AK

Turnips are a fast-growing cool-season root vegetable with edible roots and greens. Baby turnips are sweet and tender while mature ones are more pungent.

Prince of Wales-Hyder, Alaska is in USDA Zone 7b. The average last spring frost is April 13 and the first fall frost is November 1, giving you a growing season of approximately 202 days.

At an elevation of 257 feet, Prince of Wales-Hyder receives approximately 14.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 70ยฐF, so choose short-season varieties of Turnip to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Turnip successfully. Mulch heavily to conserve soil moisture.

Prince of Wales-Hyder, AK (Zone 7b) Long season
202 days
Last Spring Frost April 13
202 growing days
First Fall Frost November 1

Prince of Wales-Hyder Soil Profile

Soil Type

Silt Loam

Soil pH

5.2-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (123 days to spare)
Transplant: Apr 10 🍅 Harvest: May 22 – Jun 26
Recommended (50%) ✓ Fits season (125 days to spare)
Transplant: Apr 13 🍅 Harvest: May 25 – Jun 29
Safe Start (90%) ✓ Fits season (135 days to spare)
Transplant: May 1 🍅 Harvest: Jun 12 – Jul 17

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

Plant needs
1.0″/week
Rainfall provides
0.3″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 720 gal / 100 sq ft
Turnip needs ~125 GDD — county provides 505 GDD Excellent fit

Turnip Planting Timeline โ€” Prince of Wales-Hyder, AK

Turnip Planting Calendar

Activity When Date Range
Direct Sow March 30 Mar 30 โ€“ Apr 20
Fall Sowing August 23 Aug 23 โ€“ Sep 6
Harvest May 11 May 11 โ€“ Jun 15

Plant 0.5" deep ยท 4" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow
May Harvest
June Harvest
July โ€”
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

40โ€“60 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

202 days

Growing Tips for Prince of Wales-Hyder

Direct sow in early spring or late summer. Harvest when roots are 2-3 inches in diameter for best flavor. Both the roots and the greens are nutritious and edible.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Turnip in Prince of Wales-Hyder, AK?

Prince of Wales-Hyder is in Zone 7b with an average last frost of April 13. Plan your Turnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Prince of Wales-Hyder, AK?

Prince of Wales-Hyder, Alaska is in USDA Hardiness Zone 7b. The average last spring frost is April 13 and first fall frost is November 1.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Prince of Wales-Hyder gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Prince of Wales-Hyder, AK. Local conditions may vary. Last updated: April 2026.