Blog

When to plant Eggplant in Highlands County, FL

In Highlands County, plant Eggplant in spring between January 29 and February 19, once soil temps hold above 50°F. Highlands County's last frost averages January 29, so aim for a steady week of warm soil before planting. For a fall crop, sow between and — roughly 65–85 days before the first frost on December 20.

When to Plant Eggplant in Highlands County, FL

Eggplant

Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.

Highlands County, Florida is in USDA Zone 9b. The average last spring frost is January 29 and the first fall frost is December 20, giving you a growing season of approximately 325 days.

At an elevation of 111 feet, Highlands County receives approximately 57.6 inches of rainfall annually with predominantly sand soil. Summer highs average 95°F, so Eggplant may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Eggplant will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Eggplant root diseases.

Highlands County, FL (Zone 9b) Year-round
325 days
Last Spring Frost January 29
325 growing days
First Fall Frost December 20

Highlands County Soil Profile

Soil Type

Sand

Soil pH

4.9-5.8

Drainage

Well Drained

How Much Eggplant to Grow

4-6 lbs
Average yield per plant
2
Plants per person
4 sq ft
Space per person

For a family of 4, plant approximately 8 eggplant plants in about 16 sq ft. In Highlands County's 325-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Eggplant

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

Month Eggplant Needs Rainfall You Supplement Action
Jan 4.3" 2.4" 1.9" 💧 Light watering
Feb 4.3" 3.1" 1.2" 💧 Light watering
Mar 4.3" 3.6" 0.7" 💧 Light watering
Apr 4.3" 2.3" 2" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 8.5" 0" ✅ Rainfall sufficient
Jul 4.3" 7.5" 0" ✅ Rainfall sufficient
Aug 4.3" 9.1" 0" ✅ Rainfall sufficient
Sep 4.3" 8" 0" ✅ Rainfall sufficient
Oct 4.3" 5.1" 0" ✅ Rainfall sufficient
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec 4.3" 2.3" 2" 💧 Light watering

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

Eggplant Planting Timeline — Highlands County, FL

Eggplant Planting Calendar

Activity When Date Range
Start Indoors December 18 Dec 18 – Jan 1
Transplant Outdoors February 5 Feb 5 – Feb 19
Direct Sow January 29 Jan 29 – Feb 19
Harvest April 16 Apr 16 – Jun 18

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

65–85 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 9b

📆 Growing Season

325 days in Highlands County

Growing Tips for Highlands County

Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Eggplant in Highlands County, FL?

Highlands County is in Zone 9b with an average last frost of January 29. Plan your Eggplant planting based on this frost date — see the calendar above for exact timing.

What planting zone is Highlands County, FL?

Highlands County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 29 and first fall frost is December 20.

When should I plant Eggplant in Highlands County, FL?

In Highlands County, FL, plant Eggplant after the last frost (around January 29) and before the first frost (around December 20). Best results when soil holds above 50°F.

What growing zone is Highlands County, FL for Eggplant?

Highlands County sits in USDA Zone 9b. Eggplant grows reliably in zones 5a through 11b, so it's a good fit here.

Can Eggplant grow in Highlands County's climate?

Yes — Eggplant grows well in Highlands County's temperate climate. Highlands County averages a 326-day frost-free season, with last frost around January 29 and first frost around December 20.

🌱

Your Highlands County Garden Planner — Free

A 22-page printable planner built for Highlands 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.

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 Highlands County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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