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When to plant Cardoon in Marion County, FL

Marion County sits in cold Zone 9a. Plant Cardoon March 1–March 15 for the single annual harvest; the December 1 first frost closes the window.

When to Plant Cardoon in Marion County, FL

Cardoon is a large thistle relative of the artichoke, grown for its edible leaf stalks. It has dramatic silvery foliage and makes a striking ornamental as well.

Marion County, Florida is in USDA Zone 9a. The average last spring frost is February 15 and the first fall frost is December 1, giving you a growing season of approximately 289 days.

At an elevation of 244 feet, Marion County receives approximately 54.1 inches of rainfall annually with predominantly sand soil. Summer highs average 97°F, so Cardoon may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Cardoon will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cardoon root diseases.

Marion County, FL (Zone 9a) Year-round
289 days
Last Spring Frost February 15
289 growing days
First Fall Frost December 1

Marion County Soil Profile

Soil Type

Sand

Soil pH

6.0-7.0

Drainage

Well Drained

Cardoon Planting Timeline — Marion County, FL

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors March 1 Mar 1 – Mar 15
Harvest July 5 Jul 5 – Aug 16

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April
May
June
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

120–150 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

289 days in Marion County

Growing Tips for Marion County

Blanch stalks by wrapping with cardboard or tying leaves together 3-4 weeks before harvest. Provide deep, rich soil and consistent moisture. Protect from hard frost.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cardoon in Marion County, FL?

Marion County is in Zone 9a with an average last frost of February 15. Plan your Cardoon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Marion County, FL?

Marion County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is February 15 and first fall frost is December 1.

When should I plant Cardoon in Marion County, FL?

In Marion County, FL, plant Cardoon after the last frost (around February 15) and before the first frost (around December 1). Best results when soil holds above 50°F.

What growing zone is Marion County, FL for Cardoon?

Marion County sits in USDA Zone 9a. Cardoon grows reliably in zones 7a through 10b, so it's a good fit here.

Can Cardoon grow in Marion County's climate?

Yes — Cardoon grows well in Marion County's temperate climate. Marion County averages a 290-day frost-free season, with last frost around February 15 and first frost around December 1.

🌱

Your Marion County Garden Planner — Free

A 22-page printable planner built for Marion 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 Marion County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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