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When to Plant Cucumber in Indian River 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.

Indian River County, Florida is in USDA Zone 9b. The average last spring frost is January 26 and the first fall frost is December 20, giving you a growing season of approximately 328 days.

At an elevation of 317 feet, Indian River County receives approximately 52.7 inches of rainfall annually with predominantly sand soil. Summer highs average 97ยฐF, so Cucumber may need afternoon shade and extra watering during peak heat. 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.

Indian River County, FL (Zone 9b) Year-round
328 days
Last Spring Frost January 26
328 growing days
First Fall Frost December 20

Indian River County Soil Profile

Soil Type

Sand

Soil pH

5.2-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (207 days to spare)
Start indoors: Dec 22 Transplant: Jan 26 🍅 Harvest: Mar 23 – May 18
Recommended (50%) ✓ Fits season (209 days to spare)
Start indoors: Dec 29 Transplant: Feb 2 🍅 Harvest: Mar 30 – May 25
Safe Start (90%) ✓ Fits season (190 days to spare)
Start indoors: Jan 21 Transplant: Feb 25 🍅 Harvest: Apr 22 – Jun 17

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
1.0″/week
Watering frequency 2-3 times/week
Season total 2,907 gal / 100 sq ft
Drought risk

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

Cucumber needs ~1,365 GDD — county provides 7,484 GDD Excellent fit

Cucumber Planting Timeline โ€” Indian River County, FL

Cucumber Planting Calendar

Activity When Date Range
Start Indoors December 29 Dec 29 โ€“ Jan 12
Transplant Outdoors February 2 Feb 2 โ€“ Feb 16
Direct Sow January 26 Jan 26 โ€“ Feb 16
Harvest March 30 Mar 30 โ€“ May 25

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 9b

Growing Season

328 days

Growing Tips for Indian River 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 Indian River County, FL?

Indian River County is in Zone 9b with an average last frost of January 26. Plan your Cucumber planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Indian River County, FL?

Indian River County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 26 and first fall frost is December 20.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Indian River County gardeners in Zone 9b 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 Indian River County, FL. Local conditions may vary. Last updated: April 2026.