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When to plant Salsify in Martin County, MN

Aim to plant Salsify in Martin County on or after April 13; the window stays open through May 4. Martin County's 164-day frost-free season gives you a single solid spring crop with a brief fall option. A second sowing from July 30 to August 13 extends the harvest into fall.

When to Plant Salsify in Martin County, MN

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

Martin County, Minnesota is in USDA Zone 5a. The average last spring frost is April 27 and the first fall frost is October 8, giving you a growing season of approximately 164 days.

At an elevation of 984 feet, Martin County receives approximately 34.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Salsify to ensure they mature before fall.

Martin County, MN (Zone 5a) Moderate season
164 days
Last Spring Frost April 27
164 growing days
First Fall Frost October 8

Martin County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.9

Drainage

Well Drained

Monthly Watering Guide for Salsify

Salsify needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Salsify Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 4.3" 3.3" 1" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 3.8" 0.5" 💧 Light watering
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 2.9" 1.4" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 2.4" 0" ❄️ Dormant
Dec 1.9" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Martin County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Salsify Planting Timeline — Martin County, MN

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 13 Apr 13 – May 4
Harvest July 27 Jul 27 – Sep 7
Fall Sowing July 30 Jul 30 – Aug 13

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 Harvest
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

164 days in Martin County

Growing Tips for Martin 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 Martin County, MN?

Martin County is in Zone 5a with an average last frost of April 27. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.

What planting zone is Martin County, MN?

Martin County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is April 27 and first fall frost is October 8.

When should I plant Salsify in Martin County, MN?

In Martin County, MN, plant Salsify after the last frost (around April 27) and before the first frost (around October 8). Best results when soil holds above 50°F.

What growing zone is Martin County, MN for Salsify?

Martin County sits in USDA Zone 5a. Salsify grows reliably in zones 3a through 9b, so it's a good fit here.

Can Salsify grow in Martin County's climate?

Yes — Salsify grows well in Martin County's temperate climate. Martin County averages a 164-day frost-free season, with last frost around April 27 and first frost around October 8.

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Your Martin County Garden Planner — Free

A 22-page printable planner built for Martin 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.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

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