Blog

When to Plant Salsify in Eddy County, ND

Salsify is a root vegetable with a subtle oyster-like flavor, earning it the nickname "oyster plant." It produces long, slender, cream-colored roots.

Eddy County, North Dakota is in USDA Zone 3b. The average last spring frost is May 13 and the first fall frost is September 27, giving you a growing season of approximately 137 days.

At an elevation of 864 feet, Eddy County receives approximately 29.3 inches of rainfall annually with predominantly loam soil. Summer highs average 78ยฐF, so choose short-season varieties of Salsify to ensure they mature before fall.

Eddy County, ND (Zone 3b) Short season
137 days
Last Spring Frost May 13
137 growing days
First Fall Frost September 27

Eddy County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (12 days to spare)
Transplant: May 7 🍅 Harvest: Aug 20 – Sep 10
Recommended (50%) ✓ Fits season (11 days to spare)
Transplant: May 13 🍅 Harvest: Aug 26 – Sep 16
Safe Start (90%) ✓ Fits season (14 days to spare)
Transplant: May 25 🍅 Harvest: Sep 7 – Sep 28

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 149 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Salsify needs ~978 GDD — county provides 1,164 GDD Good fit

Salsify Planting Timeline โ€” Eddy County, ND

Salsify Planting Calendar

Activity When Date Range
Direct Sow May 6 May 6 โ€“ May 27
Fall Sowing July 5 Jul 5 โ€“ Jul 19
Harvest August 19 Aug 19 โ€“ Sep 9

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

100โ€“130 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 3b

Growing Season

137 days

Growing Tips for Eddy County

Direct sow in spring in deeply worked, stone-free soil. Use fresh seed only as viability drops quickly. Harvest in late fall after frost for best flavor.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Salsify in Eddy County, ND?

Eddy County is in Zone 3b with an average last frost of May 13. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Eddy County, ND?

Eddy County, North Dakota is in USDA Hardiness Zone 3b. The average last spring frost is May 13 and first fall frost is September 27.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Eddy County gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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