When to plant Radish in Miami-Dade County, FL
Radish planted in Miami-Dade County between December 11 and January 1 matures in 22–35 days — well before the December 31 first frost. A second sowing from November 5 to November 19 extends the harvest into fall.
When to Plant Radish in Miami-Dade County, FL
Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.
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 Radish during the growing season. Sandy soil warms quickly in spring — great for early planting — but Radish will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.
Miami-Dade County Soil Profile
Soil Type
Sand
Soil pH
6.0-7.0
Drainage
Well Drained
Radish Planting Timeline — Miami-Dade County, FL
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | December 11 | Dec 11 – Jan 1 |
| Harvest | January 8 | Jan 8 – Jan 29 |
| Fall Sowing | November 5 | Nov 5 – Nov 19 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Direct Sow Harvest |
| February | — |
| March | — |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | Fall Sowing |
| December | Direct Sow |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
22–35 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
Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Radish in Other Locations
Frequently Asked Questions
When should I plant Radish in Miami-Dade County, FL?
Miami-Dade County is in Zone 11a with an average last frost of January 1. Plan your Radish 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 Radish in Miami-Dade County, FL?
In Miami-Dade County, FL, plant Radish 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 Radish?
Miami-Dade County sits in USDA Zone 11a. Radish grows reliably in zones 2a through 11b, so it's a good fit here.
Can Radish grow in Miami-Dade County's climate?
Yes — Radish 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.