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When to plant Boysenberries in Putnam County, FL

Putnam County's 297-day season only supports one Boysenberries planting per year. Sow between February 23 and March 9 for the best chance at full maturity before December 2.

When to Plant Boysenberries in Putnam County, FL

Boysenberries are a cross between raspberries, blackberries, and loganberries, producing large, dark, intensely flavored berries. They are excellent for jams and pies.

Putnam County, Florida is in USDA Zone 9b. The average last spring frost is February 9 and the first fall frost is December 2, giving you a growing season of approximately 296 days.

At an elevation of 278 feet, Putnam County receives approximately 57.5 inches of rainfall annually with predominantly sand soil. Summer highs average 95°F, so Boysenberries may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Boysenberries will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Boysenberries root diseases.

Putnam County, FL (Zone 9b) Year-round
296 days
Last Spring Frost February 9
296 growing days
First Fall Frost December 2

Putnam County Soil Profile

Soil Type

Sand

Soil pH

6.0-7.0

Drainage

Well Drained

Boysenberries Planting Timeline — Putnam County, FL

Boysenberries Planting Calendar

Activity When Date Range
Transplant Outdoors February 23 Feb 23 – Mar 9

· 24" apart · Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

365–730 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 9b

📆 Growing Season

296 days in Putnam County

Growing Tips for Putnam County

Provide strong trellising for vigorous canes. Prune spent canes to ground after harvest. Mulch heavily to retain moisture. Protect from wind to prevent cane damage.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Boysenberries in Putnam County, FL?

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

What planting zone is Putnam County, FL?

Putnam County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is February 9 and first fall frost is December 2.

When should I plant Boysenberries in Putnam County, FL?

In Putnam County, FL, plant Boysenberries after the last frost (around February 9) and before the first frost (around December 2). Best results when soil holds above 50°F.

What growing zone is Putnam County, FL for Boysenberries?

Putnam County sits in USDA Zone 9b. Boysenberries grows reliably in zones 5a through 10b, so it's a good fit here.

Can Boysenberries grow in Putnam County's climate?

Yes — Boysenberries grows well in Putnam County's temperate climate. Putnam County averages a 297-day frost-free season, with last frost around February 9 and first frost around December 2.

🌱

Your Putnam County Garden Planner — Free

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

Sources & credits

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