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When to plant Geraniums in Calhoun County County,

Calhoun County County sits in cold Zone 9a. Plant Geraniums February 12–February 26 for the single annual harvest; the November 20 first frost closes the window.

When to Plant Geraniums in Calhoun County, FL

Geraniums (Pelargonium × hortorum) are tender perennials grown as warm-season annuals throughout North America. Prized for their bold flower clusters, long bloom period, and tolerance of summer heat when planted in well-drained soil, they anchor window boxes, containers, and bed borders from late spring until hard frost. Zones 9b–11b can overwinter plants in the ground.

Calhoun County, Florida is in USDA Zone 9a. The average last spring frost is March 5 and the first fall frost is November 20, giving you a growing season of approximately 260 days.

At an elevation of 178 feet, Calhoun County receives approximately 61.2 inches of rainfall annually with predominantly sand soil. Summer highs average 93°F, providing good warmth for Geraniums during the growing season. Sandy soil warms quickly in spring — great for early planting — but Geraniums will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Geraniums root diseases.

Annual Blooms in Multi-season Pollinator-friendly Deer-resistant Good for cutting Fragrant
Calhoun County, FL (Zone 9a) Long season
260 days
Last Spring Frost March 5
260 growing days
First Fall Frost November 20

Calhoun County Soil Profile

Soil Type

Sand

Soil pH

4.8-5.7

Drainage

Well Drained

Monthly Watering Guide for Geraniums

Geraniums needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Geraniums Needs Rainfall You Supplement Action
Jan 2.5" 0" ❄️ Dormant
Feb 2.7" 0" ❄️ Dormant
Mar 4.3" 3.5" 0.8" 💧 Light watering
Apr 4.3" 3.1" 1.2" 💧 Light watering
May 4.3" 4.2" 0.1" 💧 Light watering
Jun 4.3" 9" 0" ✅ Rainfall sufficient
Jul 4.3" 8.8" 0" ✅ Rainfall sufficient
Aug 4.3" 8.4" 0" ✅ Rainfall sufficient
Sep 4.3" 8.6" 0" ✅ Rainfall sufficient
Oct 4.3" 5" 0" ✅ Rainfall sufficient
Nov 4.3" 2.5" 1.8" 💧 Light watering
Dec 2.9" 0" ❄️ Dormant

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

Geraniums Planting Timeline — Calhoun County, FL

Geraniums Planting Calendar

Activity When Date Range
Start Indoors December 25 Dec 25 – Jan 8
Transplant Outdoors February 12 Feb 12 – Feb 26
Bloom April 23 Apr 23 – Oct 22

Plant 0.1" deep · 12" apart · Rows 14" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

260 days in Calhoun County

Growing Tips for Calhoun County

Start seeds indoors 10–12 weeks before last frost — germination is slow and erratic without bottom heat (70–75°F). Transplant after frost danger passes. Geraniums rarely direct-sown; cuttings or transplants are the standard. Deadhead spent umbels weekly to maintain continuous bloom. Let soil dry slightly between waterings to prevent root rot. In zones 10–11 plants may be left in ground year-round or overwintered as houseplants.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Geraniums in Calhoun County, FL?

Calhoun County is in Zone 9a with an average last frost of March 5. Plan your Geraniums planting based on this frost date — see the calendar above for exact timing.

What planting zone is Calhoun County, FL?

Calhoun County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 5 and first fall frost is November 20.

When should I plant Geraniums in Calhoun County County, ?

In Calhoun County County, , plant Geraniums after the last frost (around March 5) and before the first frost (around November 20). Best results when soil holds above 50°F.

What growing zone is Calhoun County County, for Geraniums?

Calhoun County County sits in USDA Zone 9a. Geraniums grows reliably in zones 2a through 11b, so it's a good fit here.

Can Geraniums grow in Calhoun County County's climate?

Yes — Geraniums grows well in Calhoun County County's temperate climate. Calhoun County County averages a 260-day frost-free season, with last frost around March 5 and first frost around November 20.

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Your Calhoun County Garden Planner — Free

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

Sources & credits

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