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When to Plant Carrots in Hernando County, FL

Hernando County, Florida Zone 9b May

This month in Hernando County, Florida

If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.

Avg. last frost January 25
Avg. first frost December 16
Soil temp (4") 76°F
Watering Moderate
Pest pressure High
Daylight 13.4 hrs

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Carrots are a popular root vegetable available in orange, purple, white, and yellow varieties. They are rich in beta-carotene and have a sweet, earthy flavor.

Hernando County, Florida is in USDA Zone 9b. The average last spring frost is January 25 and the first fall frost is December 16, giving you a growing season of approximately 325 days.

At an elevation of 245 feet, Hernando County receives approximately 51.5 inches of rainfall annually with predominantly sand soil. Summer highs average 99°F, so Carrots may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Carrots will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Carrots root diseases.

Hernando County, FL (Zone 9b) Year-round
325 days
Last Spring Frost January 25
325 growing days
First Fall Frost December 16
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Hernando County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (227 days to spare)
Transplant: Jan 19 🍅 Harvest: Mar 23 – Apr 27
Recommended (50%) ✓ Fits season (227 days to spare)
Transplant: Jan 25 🍅 Harvest: Mar 29 – May 3
Safe Start (90%) ✓ Fits season (201 days to spare)
Transplant: Feb 28 🍅 Harvest: May 2 – Jun 6

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Hernando County

How your county's soil matches Carrots's growing requirements.

Soil pH

Your soil pH (5.1–5.9) is more acidic than Carrots prefers (6.0–6.8). Add garden lime to raise pH.

Soil Texture

Sandy soil in Hernando County warms quickly in spring but drains fast. Carrots will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Carrots.

Organic Matter

Organic matter is low (1.4%). Add 2-3 inches of compost before planting Carrots.

How to Plant Carrots

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Carrots

6
successive plantings in your 325-day season

Sow every 6.9 weeks. Last sowing by Sep 27 to harvest before frost.

For a dedicated fall crop, sow by Oct 21.

Plant Water Budget

Plant needs
0.8″/week
Rainfall provides
0.7″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 1,092 gal / 100 sq ft

Monthly Watering Guide for Carrots

Carrots needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.

Month Carrots Needs Rainfall You Supplement Action
Jan 3.5" 2.6" 0.9" 💧 Light watering
Feb 3.5" 2.5" 1" 💧 Light watering
Mar 3.5" 3" 0.5" 💧 Light watering
Apr 3.5" 2.2" 1.3" 💧 Light watering
May 3.5" 3.3" 0.2" 💧 Light watering
Jun 3.5" 7.1" 0" ✅ Rainfall sufficient
Jul 3.5" 7.5" 0" ✅ Rainfall sufficient
Aug 3.5" 6.7" 0" ✅ Rainfall sufficient
Sep 3.5" 6.8" 0" ✅ Rainfall sufficient
Oct 3.5" 5.1" 0" ✅ Rainfall sufficient
Nov 3.5" 2.4" 1.1" 💧 Light watering
Dec 3.5" 2.2" 1.3" 💧 Light watering

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

Carrots Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Carrots needs ~1,698 GDD — county provides 7,905 GDD Excellent fit

Carrots Planting Timeline — Hernando County, FL

Carrots Planting Calendar

Activity When Date Range
Direct Sow January 4 Jan 4 – Jan 25
Harvest March 8 Mar 8 – Apr 12
Fall Sowing October 21 Oct 21 – Nov 4

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

Month-by-Month Timeline

MonthActivities
January Direct Sow
February
March Harvest
April Harvest
May
June
July
August
September
October Fall Sowing
November Fall Sowing
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.8"/week · 1-2 times/week

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–6.8 · Your soil: too_acidic

🗺️ USDA Zone

Zone 9b

📆 Growing Season

325 days in Hernando County

Growing Tips for Carrots in Hernando County

Direct sow Carrots outdoors after January 25 in Hernando County when soil has warmed and frost danger has passed.

Sandy soil in Hernando County dries quickly — mulch Carrots with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 99°F in Hernando County, provide afternoon shade for Carrots and water deeply in the morning.

Common pests for Carrots in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

Sow seeds directly in loose, stone-free soil for straight roots. Keep soil moist until germination which can take 2-3 weeks. Thin seedlings to 2 inches apart.

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Carrots Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Replant roots for 2nd year flowers. Harvest umbels when brown.
Storage Store airtight; viable 3 years at 35°F, under 50% humidity.

Isolate 1/2 mile from Queen Anne's Lace (wild carrot). Biennial — requires two seasons.

Frequently Asked Questions

When should I plant Carrots in Hernando County, FL?

Hernando County is in Zone 9b with an average last frost of January 25. Plan your Carrots planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hernando County, FL?

Hernando County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 25 and first fall frost is December 16.

🌱

Your Hernando County Garden Planner — Free

A 24-page printable planner built for Hernando 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 Hernando County, FL. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.