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When to plant Scarlet Runner Beans in Miami-Dade County, FL

Plant Scarlet Runner Beans in Miami-Dade County after January 1; the prime window is January 1–January 22.

When to Plant Scarlet Runner Beans in Miami-Dade County, FL

Scarlet runner beans are ornamental and edible climbing beans with vivid red flowers that attract hummingbirds. Both the young pods and mature beans are edible.

Miami-Dade County, Florida is in USDA Zone 11a. The average last spring frost is January 1 and the first fall frost is December 31, giving you a growing season of approximately 364 days.

At an elevation of 123 feet, Miami-Dade County receives approximately 58.7 inches of rainfall annually with predominantly sand soil. Summer highs average 90°F, providing good warmth for Scarlet Runner Beans during the growing season. Sandy soil warms quickly in spring — great for early planting — but Scarlet Runner Beans will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Scarlet Runner Beans root diseases.

Miami-Dade County, FL (Zone 11a) Year-round
365 days
Last Spring Frost No frost
365 growing days
First Fall Frost No frost

Miami-Dade County Soil Profile

Soil Type

Sand

Soil pH

5.1-6.3

Drainage

Well Drained

Monthly Watering Guide for Scarlet Runner Beans

Scarlet Runner 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 Scarlet Runner Beans Needs Rainfall You Supplement Action
Jan 4.3" 2.9" 1.4" 💧 Light watering
Feb 4.3" 2.9" 1.4" 💧 Light watering
Mar 4.3" 3.4" 0.9" 💧 Light watering
Apr 4.3" 2.5" 1.8" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 8.1" 0" ✅ Rainfall sufficient
Jul 4.3" 9.5" 0" ✅ Rainfall sufficient
Aug 4.3" 8.6" 0" ✅ Rainfall sufficient
Sep 4.3" 7.1" 0" ✅ Rainfall sufficient
Oct 4.3" 5" 0" ✅ Rainfall sufficient
Nov 4.3" 2.3" 2" 💧 Light watering
Dec 4.3" 2.7" 1.6" 💧 Light watering

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

Scarlet Runner Beans Planting Timeline — Miami-Dade County, FL

Scarlet Runner Beans Planting Calendar

Activity When Date Range
Start Indoors November 20 Nov 20 – Dec 4
Transplant Outdoors January 8 Jan 8 – Jan 22
Direct Sow January 1 Jan 1 – Jan 22
Harvest March 12 Mar 12 – Apr 16

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 11a

📆 Growing Season

365 days in Miami-Dade County

Growing Tips for Miami-Dade County

Provide tall trellising for vigorous vines. Direct sow after frost. Harvest pods young for snap beans or let mature for shelling beans. Tubers are perennial in mild climates.

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 Scarlet Runner Beans in Miami-Dade County, FL?

Miami-Dade County is in Zone 11a with an average last frost of January 1. Plan your Scarlet Runner Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Miami-Dade County, FL?

Miami-Dade County, Florida is in USDA Hardiness Zone 11a. The average last spring frost is January 1 and first fall frost is December 31.

When should I plant Scarlet Runner Beans in Miami-Dade County, FL?

In Miami-Dade County, FL, plant Scarlet Runner Beans after the last frost (around January 1) and before the first frost (around December 31). Best results when soil holds above 50°F.

What growing zone is Miami-Dade County, FL for Scarlet Runner Beans?

Miami-Dade County sits in USDA Zone 11a. Scarlet Runner Beans grows reliably in zones 3a through 11b, so it's a good fit here.

Can Scarlet Runner Beans grow in Miami-Dade County's climate?

Yes — Scarlet Runner Beans grows well in Miami-Dade County's temperate climate. Miami-Dade County averages a 365-day frost-free season, with last frost around January 1 and first frost around December 31.

🌱

Your Miami-Dade County Garden Planner — Free

A 22-page printable planner built for Miami-Dade County (Zone 11a). 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 Miami-Dade 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.