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When to plant Salsify in Harrison County, MS

In Zone 9a (Harrison County), direct-sow Salsify between February 11 and March 4 for spring, after the March 4 last-frost mark. A second sowing from October 1 to October 15 extends the harvest into fall.

When to Plant Salsify in Harrison County, MS

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

Harrison County, Mississippi is in USDA Zone 9a. The average last spring frost is March 4 and the first fall frost is November 26, giving you a growing season of approximately 267 days.

At an elevation of 190 feet, Harrison County receives approximately 53 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°F, so Salsify may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Salsify will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Salsify root diseases.

Harrison County, MS (Zone 9a) Long season
267 days
Last Spring Frost March 4
267 growing days
First Fall Frost November 26

Harrison County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Salsify Planting Timeline — Harrison County, MS

Salsify Planting Calendar

Activity When Date Range
Direct Sow February 11 Feb 11 – Mar 4
Harvest May 27 May 27 – Jul 8
Fall Sowing October 1 Oct 1 – Oct 15

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

Month-by-Month Timeline

MonthActivities
January
February Direct Sow
March Direct Sow
April
May Harvest
June Harvest
July Harvest
August
September
October Fall Sowing
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 9a

📆 Growing Season

267 days in Harrison County

Growing Tips for Harrison 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 Harrison County, MS?

Harrison County is in Zone 9a with an average last frost of March 4. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.

What planting zone is Harrison County, MS?

Harrison County, Mississippi is in USDA Hardiness Zone 9a. The average last spring frost is March 4 and first fall frost is November 26.

When should I plant Salsify in Harrison County, MS?

In Harrison County, MS, plant Salsify after the last frost (around March 4) and before the first frost (around November 26). Best results when soil holds above 50°F.

What growing zone is Harrison County, MS for Salsify?

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

Can Salsify grow in Harrison County's climate?

Yes — Salsify grows well in Harrison County's temperate climate. Harrison County averages a 267-day frost-free season, with last frost around March 4 and first frost around November 26.

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A 22-page printable planner built for Harrison County (Zone 9a). 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 Harrison County, MS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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