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When to plant Cosmos in Dixie County County,

For Dixie County County, gardeners: plant Cosmos February 11 through March 4 once soil reads 50°F.

When to Plant Cosmos in Dixie County, FL

Cosmos (Cosmos bipinnatus) is an airy, feathery-foliaged cottage garden annual from Mexico that thrives on neglect. It produces delicate daisy-like blooms in shades of pink, white, and magenta from midsummer until frost. Cosmos is a prolific self-sower — once established in a garden it often returns year after year without replanting. Excellent habitat plant for beneficial insects.

Dixie County, Florida is in USDA Zone 9a. The average last spring frost is March 11 and the first fall frost is November 23, giving you a growing season of approximately 257 days.

At an elevation of 428 feet, Dixie County receives approximately 55.1 inches of rainfall annually with predominantly sand soil. Summer highs average 101°F, so Cosmos may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Cosmos will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cosmos root diseases.

Annual Blooms in Summer Pollinator-friendly Good for cutting
Dixie County, FL (Zone 9a) Long season
257 days
Last Spring Frost March 11
257 growing days
First Fall Frost November 23
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Dixie County Soil Profile

Soil Type

Sand

Soil pH

4.8-6

Drainage

Well Drained

Monthly Watering Guide for Cosmos

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

Month Cosmos Needs Rainfall You Supplement Action
Jan 2.3" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 4.3" 3.5" 0.8" 💧 Light watering
Apr 4.3" 2.6" 1.7" 💧 Light watering
May 4.3" 3.3" 1" 💧 Light watering
Jun 4.3" 7.2" 0" ✅ Rainfall sufficient
Jul 4.3" 8.7" 0" ✅ Rainfall sufficient
Aug 4.3" 7.2" 0" ✅ Rainfall sufficient
Sep 4.3" 8.3" 0" ✅ Rainfall sufficient
Oct 4.3" 4.7" 0" ✅ Rainfall sufficient
Nov 4.3" 2" 2.3" 🚿 Regular watering
Dec 2.3" 0" ❄️ Dormant

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

Cosmos Planting Timeline — Dixie County, FL

Cosmos Planting Calendar

Activity When Date Range
Start Indoors February 11 Feb 11 – Feb 25
Transplant Outdoors February 11 Feb 11 – Feb 25
Direct Sow February 11 Feb 11 – Mar 4
Bloom April 22 Apr 22 – Oct 7

Plant 0.3" deep · 12" apart · Rows 18" apart

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

257 days in Dixie County

Growing Tips for Dixie County

Direct-sow after last frost; cosmos germinates readily at 65-80°F in 7-10 days. Avoid rich soil — excess fertility produces lush foliage at the expense of blooms. Cosmos tolerates poor, dry soil exceptionally well. Pinch seedlings at 8 inches to encourage branching. Self-sows freely; allow some seed heads to mature and drop for a no-fuss perennial effect in warm climates.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cosmos in Dixie County, FL?

Dixie County is in Zone 9a with an average last frost of March 11. Plan your Cosmos planting based on this frost date — see the calendar above for exact timing.

What planting zone is Dixie County, FL?

Dixie County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 11 and first fall frost is November 23.

When should I plant Cosmos in Dixie County County, ?

In Dixie County County, , plant Cosmos after the last frost (around March 11) and before the first frost (around November 23). Best results when soil holds above 50°F.

What growing zone is Dixie County County, for Cosmos?

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

Can Cosmos grow in Dixie County County's climate?

Yes — Cosmos grows well in Dixie County County's temperate climate. Dixie County County averages a 257-day frost-free season, with last frost around March 11 and first frost around November 23.

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Your Dixie County Garden Planner — Free

A 22-page printable planner built for Dixie 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.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Dixie County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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