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When to Plant Salsify in Davison County, SD

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

Davison County, South Dakota is in USDA Zone 5a. The average last spring frost is May 2 and the first fall frost is October 6, giving you a growing season of approximately 157 days.

At an elevation of 551 feet, Davison County receives approximately 31.3 inches of rainfall annually with predominantly loam soil. Summer highs average 82°F, so choose short-season varieties of Salsify to ensure they mature before fall.

Davison County, SD (Zone 5a) Moderate season
157 days
Last Spring Frost May 2
157 growing days
First Fall Frost October 6

Davison County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Salsify Planting Timeline — Davison County, SD

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 18 Apr 18 – May 9
Harvest August 1 Aug 1 – Sep 12
Fall Sowing July 28 Jul 28 – Aug 11

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Direct Sow
May Direct Sow
June
July Fall Sowing
August Fall Sowing Harvest
September Harvest
October
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 5a

📆 Growing Season

157 days in Davison County

Growing Tips for Davison 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 Davison County, SD?

Davison County is in Zone 5a with an average last frost of May 2. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.

What planting zone is Davison County, SD?

Davison County, South Dakota is in USDA Hardiness Zone 5a. The average last spring frost is May 2 and first fall frost is October 6.

🌱

Your Davison County Garden Planner — Free

A 22-page printable planner built for Davison County (Zone 5a). 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 Davison County, SD. Local conditions may vary. Last updated: June 2026.

Sources & credits

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