Blog

When to plant Kidney Beans in Martin County, FL

Plant Kidney Beans in Martin County from February 1 to February 22 in spring. Martin County sits in USDA Zone 10b, with last frost around January 25 and first frost on December 13.

When to Plant Kidney Beans in Martin County, FL

Kidney beans are a popular dry bean variety named for their shape, available in red and white types. They are the classic bean for chili and red beans and rice.

Martin County, Florida is in USDA Zone 10b. The average last spring frost is January 25 and the first fall frost is December 13, giving you a growing season of approximately 322 days.

At an elevation of 80 feet, Martin County receives approximately 56.3 inches of rainfall annually with predominantly sand soil. Summer highs average 88°F, providing good warmth for Kidney Beans during the growing season. Sandy soil warms quickly in spring — great for early planting — but Kidney Beans will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kidney Beans root diseases.

Martin County, FL (Zone 10b) Year-round
322 days
Last Spring Frost January 25
322 growing days
First Fall Frost December 13

Martin County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.7

Drainage

Well Drained

Monthly Watering Guide for Kidney Beans

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

Month Kidney Beans Needs Rainfall You Supplement Action
Jan 4.3" 2.8" 1.5" 💧 Light watering
Feb 4.3" 3.1" 1.2" 💧 Light watering
Mar 4.3" 3" 1.3" 💧 Light watering
Apr 4.3" 2.3" 2" 💧 Light watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 8.6" 0" ✅ Rainfall sufficient
Jul 4.3" 7.9" 0" ✅ Rainfall sufficient
Aug 4.3" 8.4" 0" ✅ Rainfall sufficient
Sep 4.3" 8.2" 0" ✅ Rainfall sufficient
Oct 4.3" 4.2" 0.1" 💧 Light watering
Nov 4.3" 2.2" 2.1" 💧 Light watering
Dec 4.3" 2.1" 2.2" 🚿 Regular watering

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

Kidney Beans Planting Timeline — Martin County, FL

Kidney Beans Planting Calendar

Activity When Date Range
Direct Sow February 1 Feb 1 – Feb 22
Harvest May 3 May 3 – Jun 7

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

85–110 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 10b

📆 Growing Season

322 days in Martin County

Growing Tips for Martin County

Direct sow after frost. Allow pods to dry completely on the plant. Kidney beans must be thoroughly cooked as raw or undercooked beans contain harmful lectins.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Kidney Beans in Martin County, FL?

Martin County is in Zone 10b with an average last frost of January 25. Plan your Kidney Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Martin County, FL?

Martin County, Florida is in USDA Hardiness Zone 10b. The average last spring frost is January 25 and first fall frost is December 13.

When should I plant Kidney Beans in Martin County, FL?

In Martin County, FL, plant Kidney Beans after the last frost (around January 25) and before the first frost (around December 13). Best results when soil holds above 50°F.

What growing zone is Martin County, FL for Kidney Beans?

Martin County sits in USDA Zone 10b. Kidney Beans grows reliably in zones 3a through 11b, so it's a good fit here.

Can Kidney Beans grow in Martin County's climate?

Yes — Kidney Beans grows well in Martin County's temperate climate. Martin County averages a 323-day frost-free season, with last frost around January 25 and first frost around December 13.

🌱

Your Martin County Garden Planner — Free

A 22-page printable planner built for Martin County (Zone 10b). 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 Martin 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.