When to plant Radicchio in Jackson County County,
In Jackson County County, plant Radicchio in spring between February 13 and March 6, once soil temps hold above 50°F. Jackson County County's last frost averages March 6, so aim for a steady week of warm soil before planting. For a fall crop, sow between September 24 and October 8 — roughly 80 days before the first frost on November 19.
When to Plant Radicchio in Jackson County, FL
Top priorities for Jackson County, Florida gardeners in June
We've pulled the most time-sensitive tasks for Jackson County, Florida this June and put them front and centre. Tackle them in order.
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It's harvest week for radicchio
This is the payoff month. Bring a basket, bring a friend, and get into the beds.
Radicchio is an Italian chicory with stunning red and white leaves and a pleasantly bitter flavor. It forms tight heads and is used in salads, grilled, or braised.
Jackson County, Florida is in USDA Zone 9a. The average last spring frost is March 6 and the first fall frost is November 19, giving you a growing season of approximately 258 days.
At an elevation of 223 feet, Jackson County receives approximately 48.5 inches of rainfall annually with predominantly sand soil. Summer highs average 92°F, providing good warmth for Radicchio during the growing season. Sandy soil warms quickly in spring — great for early planting — but Radicchio will need more frequent watering and organic matter to retain nutrients.
Jackson County Soil Profile
Soil Type
Sand
Soil pH
5.1-6
Drainage
Well Drained
Radicchio Planting Risk Windows
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 Jackson County
How your county's soil matches Radicchio's growing requirements.
Soil pH
Your soil pH (5.1–6.0) is more acidic than Radicchio prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
Sandy soil in Jackson County warms quickly in spring but drains fast. Radicchio will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Radicchio.
Organic Matter
Organic matter is low (1.3%). Add 2-3 inches of compost before planting Radicchio.
How to Plant Radicchio
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Radicchio
Sow every 6.9 weeks. Last sowing by Aug 31 to harvest before frost.
For a dedicated fall crop, sow by Sep 24.
Radicchio Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Radicchio
Radicchio needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.
| Month | Radicchio Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.3" | 0" | ❄️ Dormant |
| Feb | — | 2.6" | 0" | ❄️ Dormant |
| Mar | 3" | 2.7" | 0.3" | 💧 Light watering |
| Apr | 3" | 1.9" | 1.1" | 💧 Light watering |
| May | 3" | 3.2" | 0" | ✅ Rainfall sufficient |
| Jun | 3" | 7" | 0" | ✅ Rainfall sufficient |
| Jul | 3" | 7.2" | 0" | ✅ Rainfall sufficient |
| Aug | 3" | 7.5" | 0" | ✅ Rainfall sufficient |
| Sep | 3" | 6.1" | 0" | ✅ Rainfall sufficient |
| Oct | 3" | 4" | 0" | ✅ Rainfall sufficient |
| Nov | 3" | 1.9" | 1.1" | 💧 Light watering |
| Dec | — | 2.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Jackson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Radicchio 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.
Radicchio Planting Timeline — Jackson County, FL
Radicchio Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 6 | Feb 6 – Feb 20 |
| Transplant Outdoors | March 6 | Mar 6 – Mar 20 |
| Direct Sow | February 13 | Feb 13 – Mar 6 |
| Harvest | May 8 | May 8 – Jun 12 |
| Fall Sowing | September 24 | Sep 24 – Oct 8 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | Fall Sowing |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.7"/week · Only during dry spells
📅 Days to Maturity
60–80 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 9a
📆 Growing Season
258 days in Jackson County
Growing Tips for Radicchio in Jackson County
Direct sow Radicchio outdoors after March 06 in Jackson County when soil has warmed and frost danger has passed.
Sandy soil in Jackson County dries quickly — mulch Radicchio with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
Common pests for Radicchio in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.
General growing tips
Start in late summer for fall harvest. The red color develops with cool nights and light frost. Harvest when heads are firm and compact.
Companion Planting
Good Companions
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Radicchio in Other Locations
Frequently Asked Questions
When should I plant Radicchio in Jackson County, FL?
Jackson County is in Zone 9a with an average last frost of March 6. Plan your Radicchio planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, FL?
Jackson County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 6 and first fall frost is November 19.
When should I plant Radicchio in Jackson County, ?
In Jackson County, , plant Radicchio after the last frost (around March 6) and before the first frost (around November 19). Best results when soil holds above 50°F.
What growing zone is Jackson County, for Radicchio?
Jackson County sits in USDA Zone 9a. Radicchio grows reliably in zones 4a through 10b, so it's a good fit here.
Can Radicchio grow in Jackson County's climate?
Yes — Radicchio grows well in Jackson County's temperate climate. Jackson County averages a 258-day frost-free season, with last frost around March 6 and first frost around November 19.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.