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When to Plant Salsify in New Madrid County, MO

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

New Madrid County, Missouri is in USDA Zone 6b. The average last spring frost is March 30 and the first fall frost is November 2, giving you a growing season of approximately 217 days.

At an elevation of 881 feet, New Madrid County receives approximately 39.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88Β°F, providing good warmth for Salsify during the growing season.

New Madrid County, MO (Zone 6b) Long season
217 days
Last Spring Frost March 30
217 growing days
First Fall Frost November 2

New Madrid County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.8

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 β€” 1.8" 0" ❄️ Dormant
Feb β€” 1.6" 0" ❄️ Dormant
Mar 4.3" 2.8" 1.5" πŸ’§ Light watering
Apr 4.3" 4.2" 0.1" πŸ’§ Light watering
May 4.3" 4.4" 0" βœ… Rainfall sufficient
Jun 4.3" 4.9" 0" βœ… Rainfall sufficient
Jul 4.3" 4.6" 0" βœ… Rainfall sufficient
Aug 4.3" 4.4" 0" βœ… Rainfall sufficient
Sep 4.3" 3.4" 0.9" πŸ’§ Light watering
Oct 4.3" 2.8" 1.5" πŸ’§ Light watering
Nov 4.3" 2.6" 1.7" πŸ’§ Light watering
Dec β€” 2" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in New Madrid County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Salsify Planting Timeline β€” New Madrid County, MO

Salsify Planting Calendar

Activity When Date Range
Direct Sow March 16 Mar 16 – Apr 6
Harvest June 29 Jun 29 – Aug 10
Fall Sowing August 24 Aug 24 – Sep 7

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

100–130 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 6b

πŸ“† Growing Season

217 days in New Madrid County

Growing Tips for New Madrid 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 New Madrid County, MO?

New Madrid County is in Zone 6b with an average last frost of March 30. Plan your Salsify planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is New Madrid County, MO?

New Madrid County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is March 30 and first fall frost is November 2.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help New Madrid County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

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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 New Madrid County, MO. Local conditions may vary. Last updated: April 2026.