When to plant Celtuce in Dundee, FL
Dundee's climate puts the Celtuce spring window between January 4 and January 25. aim for a steady week of warm soil before planting. A second sowing from October 24 to November 7 extends the harvest into fall.
When to Plant Celtuce in Dundee, FL
Your July game plan for Polk County, Florida
We've pulled the most time-sensitive tasks for Polk County, Florida this July and put them front and centre. Tackle them in order.
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Plan the fall garden
Make a planting map for August. Tomatoes, peppers, brassicas, lettuce, root crops all go in over the next 8 weeks. Soil amendments and irrigation prep happen now.
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Keep heat-survivor crops productive
Daily harvest of okra and southern peas keeps plants producing. Let pods over-mature and the plant stops setting new fruit.
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Watch for hurricane prep season
August-October is hurricane season. Stake young trees, secure rain barrels, and plan how to protect tender transplants from high winds.
Celtuce (stem lettuce) is a Chinese vegetable grown for its thick, crunchy stem rather than its leaves. The peeled stem has a mild, cucumber-like flavor.
Dundee, Florida is in USDA Zone 10a. The average last spring frost is January 25 and the first fall frost is December 19, giving you a growing season of approximately 328 days.
At an elevation of 236 feet, Polk County receives approximately 58.3 inches of rainfall annually with predominantly sand soil. Summer highs average 96°F, so Celtuce may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Celtuce will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celtuce root diseases.
Dundee Soil Profile
Soil Type
Sand
Soil pH
4.9-6.3
Drainage
Well Drained
Celtuce 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 Dundee
How your county's soil matches Celtuce's growing requirements.
Soil pH
Your soil pH (4.9–6.3) is more acidic than Celtuce prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
Sandy soil in Polk County warms quickly in spring but drains fast. Celtuce will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Celtuce.
Organic Matter
Organic matter is low (1.6%). Add 2-3 inches of compost before planting Celtuce.
How to Plant Celtuce
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Celtuce
Sow every 6.9 weeks. Last sowing by Sep 20 to harvest before frost.
For a dedicated fall crop, sow by Oct 24.
Celtuce Water Budget
Monthly Watering Guide for Celtuce
Celtuce needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.
| Month | Celtuce Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | 3" | 2.5" | 0.5" | 💧 Light watering |
| Feb | 3" | 3.1" | 0" | ✅ Rainfall sufficient |
| Mar | 3" | 3.5" | 0" | ✅ Rainfall sufficient |
| Apr | 3" | 2.6" | 0.4" | 💧 Light watering |
| May | 3" | 4.2" | 0" | ✅ Rainfall sufficient |
| Jun | 3" | 9" | 0" | ✅ Rainfall sufficient |
| Jul | 3" | 9.1" | 0" | ✅ Rainfall sufficient |
| Aug | 3" | 7.9" | 0" | ✅ Rainfall sufficient |
| Sep | 3" | 6.7" | 0" | ✅ Rainfall sufficient |
| Oct | 3" | 4.8" | 0" | ✅ Rainfall sufficient |
| Nov | 3" | 2.4" | 0.6" | 💧 Light watering |
| Dec | 3" | 2.4" | 0.6" | 💧 Light watering |
Water needs are for active growing months only (Jan–Dec in Polk County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Celtuce 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.
Celtuce Planting Timeline — Dundee, FL
Celtuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | December 28 | Dec 28 – Jan 11 |
| Transplant Outdoors | January 25 | Jan 25 – Feb 8 |
| Direct Sow | January 4 | Jan 4 – Jan 25 |
| Harvest | March 29 | Mar 29 – May 10 |
| Fall Sowing | October 24 | Oct 24 – Nov 7 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Transplant Outdoors Direct Sow |
| February | Transplant Outdoors |
| March | Harvest |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | Fall Sowing |
| December | Start Indoors |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.7"/week · Only during dry spells
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 10a
📆 Growing Season
328 days in Polk County
Growing Tips for Celtuce in Dundee
Direct sow Celtuce outdoors after January 25 in Polk County when soil has warmed and frost danger has passed.
Sandy soil in Polk County dries quickly — mulch Celtuce with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
With summer highs reaching 96°F in Polk County, provide afternoon shade for Celtuce and water deeply in the morning.
Common pests for Celtuce in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.
General growing tips
Direct sow in spring or start indoors. Space 12 inches apart. Harvest when stems are about 1 inch in diameter. Peel the tough outer skin to reveal the tender center.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Celtuce in Other Locations
When should I plant Celtuce in Dundee, FL?
In Dundee, FL, plant Celtuce after the last frost (around January 25) and before the first frost (around December 19). Best results when soil holds above 50°F.
What growing zone is Dundee, FL for Celtuce?
Dundee sits in USDA Zone 10a. Celtuce grows reliably in zones 3a through 10b, so it's a good fit here.
Can Celtuce grow in Dundee's climate?
Yes — Celtuce grows well in Dundee's temperate climate. Dundee averages a 329-day frost-free season, with last frost around January 25 and first frost around December 19.
Your Polk County Garden Planner — Free
A 22-page printable planner built for Polk County (Zone 10a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.