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When to Plant Salsify in Antrim County, MI

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

Antrim County, Michigan is in USDA Zone 5a. The average last spring frost is May 8 and the first fall frost is October 13, giving you a growing season of approximately 158 days.

At an elevation of 1,039 feet, Antrim County receives approximately 34.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Salsify to ensure they mature before fall.

Antrim County, MI (Zone 5a) Moderate season
158 days
Last Spring Frost May 8
158 growing days
First Fall Frost October 13

Antrim County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.9

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 โ€” 1.4" 0" โ„๏ธ Dormant
Feb โ€” 1.5" 0" โ„๏ธ Dormant
Mar โ€” 2.6" 0" โ„๏ธ Dormant
Apr โ€” 3.4" 0" โ„๏ธ Dormant
May 4.3" 3.6" 0.7" ๐Ÿ’ง Light watering
Jun 4.3" 4.2" 0.1" ๐Ÿ’ง Light watering
Jul 4.3" 3.7" 0.6" ๐Ÿ’ง Light watering
Aug 4.3" 4.2" 0.1" ๐Ÿ’ง Light watering
Sep 4.3" 3" 1.3" ๐Ÿ’ง Light watering
Oct 4.3" 2.9" 1.4" ๐Ÿ’ง Light watering
Nov โ€” 2.2" 0" โ„๏ธ Dormant
Dec โ€” 2.2" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Mayโ€“Oct in Antrim County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Salsify Planting Timeline โ€” Antrim County, MI

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 24 Apr 24 โ€“ May 15
Harvest August 7 Aug 7 โ€“ Sep 18
Fall Sowing August 4 Aug 4 โ€“ Aug 18

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

Moderate โ€” regular watering

๐Ÿ“… Days to Maturity

100โ€“130 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 5a

๐Ÿ“† Growing Season

158 days in Antrim County

Growing Tips for Antrim 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 Antrim County, MI?

Antrim County is in Zone 5a with an average last frost of May 8. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Antrim County, MI?

Antrim County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 8 and first fall frost is October 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Antrim County gardeners in Zone 5a 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 Antrim County, MI. Local conditions may vary. Last updated: April 2026.