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When to Plant Salsify in Walsh 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.

Walsh County, North Dakota is in USDA Zone 4a. The average last spring frost is May 14 and the first fall frost is September 30, giving you a growing season of approximately 139 days.

At an elevation of 553 feet, Walsh County receives approximately 32.7 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Salsify to ensure they mature before fall.

Walsh County, ND (Zone 4a) Short season
139 days
Last Spring Frost May 14
139 growing days
First Fall Frost September 30

Walsh County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Salsify Planting Timeline — Walsh County, ND

Salsify Planting Calendar

Activity When Date Range
Direct Sow May 7 May 7 – May 28
Harvest August 20 Aug 20 – Oct 1
Fall Sowing July 8 Jul 8 – Jul 22

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June
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

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 4a

📆 Growing Season

139 days in Walsh County

Growing Tips for Walsh 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Salsify in Walsh County, ND?

Walsh County is in Zone 4a with an average last frost of May 14. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.

What planting zone is Walsh County, ND?

Walsh County, North Dakota is in USDA Hardiness Zone 4a. The average last spring frost is May 14 and first fall frost is September 30.

🌱

Your Walsh County Garden Planner — Free

A 22-page printable planner built for Walsh County (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Walsh County, ND. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.