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When to plant Salsify in Miller County, MO

Salsify planted in Miller County between March 23 and April 13 matures in 100–130 days — well before the October 27 first frost. A second sowing from August 18 to September 1 extends the harvest into fall.

When to Plant Salsify in Miller 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.

Miller County, Missouri is in USDA Zone 6b. The average last spring frost is April 6 and the first fall frost is October 27, giving you a growing season of approximately 204 days.

At an elevation of 1,086 feet, Miller County receives approximately 30.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Salsify during the growing season.

Miller County, MO (Zone 6b) Long season
204 days
Last Spring Frost April 6
204 growing days
First Fall Frost October 27

Miller County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Salsify Planting Timeline — Miller County, MO

Salsify Planting Calendar

Activity When Date Range
Direct Sow March 23 Mar 23 – Apr 13
Harvest July 6 Jul 6 – Aug 17
Fall Sowing August 18 Aug 18 – Sep 1

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

Month-by-Month Timeline

MonthActivities
January
February
March Direct Sow
April Direct Sow
May
June
July Harvest
August Fall Sowing Harvest
September Fall Sowing
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 6b

📆 Growing Season

204 days in Miller County

Growing Tips for Miller 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 Miller County, MO?

Miller County is in Zone 6b with an average last frost of April 6. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.

What planting zone is Miller County, MO?

Miller County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 6 and first fall frost is October 27.

When should I plant Salsify in Miller County, MO?

In Miller County, MO, plant Salsify after the last frost (around April 6) and before the first frost (around October 27). Best results when soil holds above 50°F.

What growing zone is Miller County, MO for Salsify?

Miller County sits in USDA Zone 6b. Salsify grows reliably in zones 3a through 9b, so it's a good fit here.

Can Salsify grow in Miller County's climate?

Yes — Salsify grows well in Miller County's temperate climate. Miller County averages a 204-day frost-free season, with last frost around April 6 and first frost around October 27.

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Your Miller County Garden Planner — Free

A 22-page printable planner built for Miller County (Zone 6b). 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 Miller County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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