Warm-Season Vegetable

When to Plant Cucumbers in Louisiana

Cool, crisp, and perfect for salads and pickling. Cucumbers thrive in warm weather and produce abundantly.

The Short Answer

In Louisiana, cucumbers planting dates vary by region. In Northern Louisiana, your average last frost is around Mar 1 - Mar 15, while Southern Louisiana sees its last frost around Feb 1 - Feb 20. Since cucumbers are frost-sensitive, start seeds indoors 3 weeks before your last frost, then transplant outside 2 weeks after frost danger has passed. Rich alluvial soils in river valleys. Heavy clay in many areas. Acidic throughout. Sandy in some coastal areas.

Louisiana Frost Dates

Your planting dates depend on which part of Louisiana you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Louisiana 8a, 8b Mar 1 - Mar 15 Nov 10 - Nov 25
Southern Louisiana 9a, 9b Feb 1 - Feb 20 Dec 1 - Dec 20

Cucumbers Planting Schedule for Louisiana

Northern Louisiana (Zones 8a, 8b)

Average last frost: Mar 1 - Mar 15 · Average first frost: Nov 10 - Nov 25

Start Seeds Indoors
3 wks before frost
Transplant Outside
2 wks after frost
Direct Sow
2 wks after frost

Southern Louisiana (Zones 9a, 9b)

Average last frost: Feb 1 - Feb 20 · Average first frost: Dec 1 - Dec 20

Start Seeds Indoors
3 wks before frost
Transplant Outside
2 wks after frost
Direct Sow
2 wks after frost

Growing Cucumbers in Louisiana

Cucumbers in Louisiana's Climate

Your long, hot season is excellent for cucumbers. Plant early (transplant in March-April) for a long harvest before late-summer pest pressure builds. A second planting in August for fall harvest is productive and often has less disease pressure than midsummer. In the Gulf states, downy mildew is the primary disease concern — choose resistant varieties.

Soil Considerations for Louisiana

Rich alluvial soils in river valleys. Heavy clay in many areas. Acidic throughout. Sandy in some coastal areas. Make sure soil has warmed to at least 60°F before planting cucumbers outside.

Louisiana Climate & Growing Season

Subtropical. Long growing season. Very hot and humid summers — some crops need shade. Year-round gardening possible. Cucumbers cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.

Growing season length varies across Louisiana: Northern Louisiana (8a, 8b) has a last frost around Mar 1 - Mar 15, while Southern Louisiana (9a, 9b) sees frost end around Feb 1 - Feb 20. This difference matters for cucumbers — transplant timing shifts by several weeks across the state.

Growing Tips

Trellis for straighter fruits and better air circulation. Pick regularly to encourage more production.

Companion Planting

Plant cucumbers alongside these companions for better growth:

Beans Corn Peas Sunflowers

Keep cucumbers away from:

Potatoes Aromatic Herbs

The Bottom Line

Cucumbers can be grown successfully across Louisiana, but your exact planting dates depend on which region you're in. Northern Louisiana gardeners should plan around a Mar 1 - Mar 15 last frost, while those in Southern Louisiana can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Cucumbers Growing Guide National planting guide with all states Louisiana Planting Calendar All plants for Louisiana Cucumbers in Alabama Alabama planting dates Cucumbers in Alaska Alaska planting dates Cucumbers in Arizona Arizona planting dates Cucumbers in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

Ready to Start Planting?

Enter your zip code and pick your plant. We'll tell you exactly when to plant, start seeds, and harvest — based on where you live.

Find Your Planting Dates