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When to Plant Cucumber in Martin County, FL

Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.

Martin County, Florida is in USDA Zone 10a. The average last spring frost is January 25 and the first fall frost is December 13, giving you a growing season of approximately 322 days.

At an elevation of 80 feet, Martin County receives approximately 56.3 inches of rainfall annually with predominantly sand soil. Summer highs average 88ยฐF, providing good warmth for Cucumber during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Cucumber will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cucumber root diseases.

Martin County, FL (Zone 10a) Year-round
322 days
Last Spring Frost January 25
322 growing days
First Fall Frost December 13

Martin County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (209 days to spare)
Start indoors: Dec 18 Transplant: Jan 22 🍅 Harvest: Mar 19 – May 14
Recommended (50%) ✓ Fits season (203 days to spare)
Start indoors: Dec 28 Transplant: Feb 1 🍅 Harvest: Mar 29 – May 24
Safe Start (90%) ✓ Fits season (190 days to spare)
Start indoors: Jan 20 Transplant: Feb 24 🍅 Harvest: Apr 21 – Jun 16

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.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.7″/week
You supply
1.5″/week
Watering frequency 2-3 times/week
Season total 4,201 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Cucumber needs ~960 GDD — county provides 5,168 GDD Excellent fit

Cucumber Planting Timeline โ€” Martin County, FL

Cucumber Planting Calendar

Activity When Date Range
Start Indoors December 28 Dec 28 โ€“ Jan 11
Transplant Outdoors February 1 Feb 1 โ€“ Feb 15
Direct Sow January 25 Jan 25 โ€“ Feb 15
Harvest March 29 Mar 29 โ€“ May 24

Plant 0.5" deep ยท 24" apart ยท Rows 48" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 10a

Growing Season

322 days

Growing Tips for Martin County

Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Sage

Level Up Your Garden

Frequently Asked Questions

When should I plant Cucumber in Martin County, FL?

Martin County is in Zone 10a with an average last frost of January 25. Plan your Cucumber planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Martin County, FL?

Martin County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is January 25 and first fall frost is December 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Martin County gardeners in Zone 10a organize planting dates, track what's growing, and never miss a planting window.

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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 Martin County, FL. Local conditions may vary. Last updated: April 2026.