When to plant Collard Greens in Leon County, FL
Collard Greens planted in Leon County between February 18 and March 11 matures in 55–75 days — well before the November 21 first frost. A second sowing from September 26 to October 10 extends the harvest into fall.
When to Plant Collard Greens in Leon County, FL
What to do in June
We've pulled the most time-sensitive tasks for Leon County, Florida this June and put them front and centre. Tackle them in order.
Collard greens are a heat-tolerant member of the cabbage family with large, sturdy leaves. They are a Southern staple and one of the most nutritious leafy greens.
Leon County, Florida is in USDA Zone 9a. The average last spring frost is March 11 and the first fall frost is November 21, giving you a growing season of approximately 255 days.
At an elevation of 250 feet, Leon County receives approximately 53.9 inches of rainfall annually with predominantly sand soil. Summer highs average 95°F, so Collard Greens may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Collard Greens will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Collard Greens root diseases.
Leon County Soil Profile
Soil Type
Sand
Soil pH
4.8-5.7
Drainage
Well Drained
Collard Greens 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 Leon County
How your county's soil matches Collard Greens's growing requirements.
Soil pH
Your soil pH (4.8–5.7) is more acidic than Collard Greens prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
Sandy soil in Leon County warms quickly in spring but drains fast. Collard Greens will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Collard Greens.
Organic Matter
Organic matter is low (1.3%). Add 2-3 inches of compost before planting Collard Greens.
How to Plant Collard Greens
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Collard Greens
Sow every 6.3 weeks. Last sowing by Sep 07 to harvest before frost.
For a dedicated fall crop, sow by Sep 26.
Collard Greens Water Budget
Monthly Watering Guide for Collard Greens
Collard Greens needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.
| Month | Collard Greens Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.2" | 0" | ❄️ Dormant |
| Feb | — | 3.3" | 0" | ❄️ Dormant |
| Mar | 3.5" | 3" | 0.5" | 💧 Light watering |
| Apr | 3.5" | 2.4" | 1.1" | 💧 Light watering |
| May | 3.5" | 4.1" | 0" | ✅ Rainfall sufficient |
| Jun | 3.5" | 7.2" | 0" | ✅ Rainfall sufficient |
| Jul | 3.5" | 7.6" | 0" | ✅ Rainfall sufficient |
| Aug | 3.5" | 7.5" | 0" | ✅ Rainfall sufficient |
| Sep | 3.5" | 6.9" | 0" | ✅ Rainfall sufficient |
| Oct | 3.5" | 5.2" | 0" | ✅ Rainfall sufficient |
| Nov | 3.5" | 2.1" | 1.4" | 💧 Light watering |
| Dec | — | 2.6" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Leon County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Collard Greens 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.
Collard Greens Planting Timeline — Leon County, FL
Collard Greens Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 11 | Feb 11 – Feb 25 |
| Transplant Outdoors | March 11 | Mar 11 – Mar 25 |
| Direct Sow | February 18 | Feb 18 – Mar 11 |
| Harvest | May 6 | May 6 – Jul 8 |
| Fall Sowing | September 26 | Sep 26 – Oct 10 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | Fall Sowing |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.8"/week · Only during dry spells
📅 Days to Maturity
55–75 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 9a
📆 Growing Season
255 days in Leon County
Growing Tips for Collard Greens in Leon County
Direct sow Collard Greens outdoors after March 11 in Leon County when soil has warmed and frost danger has passed.
Sandy soil in Leon County dries quickly — mulch Collard Greens with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
Common pests for Collard Greens in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.
General growing tips
Start seeds indoors or direct sow 4-6 weeks before last frost. Harvest lower leaves first, leaving the growing tip intact. Flavor improves after exposure to frost.
Companion Planting
Good Companions
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Collard Greens in Other Locations
Frequently Asked Questions
When should I plant Collard Greens in Leon County, FL?
Leon County is in Zone 9a with an average last frost of March 11. Plan your Collard Greens planting based on this frost date — see the calendar above for exact timing.
What planting zone is Leon County, FL?
Leon County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 11 and first fall frost is November 21.
When should I plant Collard Greens in Leon County, FL?
In Leon County, FL, plant Collard Greens after the last frost (around March 11) and before the first frost (around November 21). Best results when soil holds above 50°F.
What growing zone is Leon County, FL for Collard Greens?
Leon County sits in USDA Zone 9a. Collard Greens grows reliably in zones 2a through 11b, so it's a good fit here.
Can Collard Greens grow in Leon County's climate?
Yes — Collard Greens grows well in Leon County's temperate climate. Leon County averages a 255-day frost-free season, with last frost around March 11 and first frost around November 21.
Your Leon County Garden Planner — Free
A 22-page printable planner built for Leon 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.