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When to Plant Cucumber in USDA Zone 8a

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.

In Zone 8a, the average last spring frost is around March 8 and the first fall frost is around November 18, giving you a growing season of approximately 255 days.

Zone 8a Long season
255 days
Last Spring Frost March 8
255 growing days
First Fall Frost November 18

Cucumber Planting Timeline — Zone 8a

Where Is USDA Zone 8a?

The map below highlights the states that contain Zone 8a. Click any state to see the Cucumber planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Cucumber Planting Calendar — Zone 8a

Activity When Date Range
Start Indoors February 8 Feb 8 – Feb 22
Transplant Outdoors March 22 Mar 22 – Apr 5
Direct Sow March 15 Mar 15 – Apr 5
Harvest May 17 May 17 – Jul 12

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

Month-by-Month Timeline

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

Free Zone 8a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

Days to Maturity

50–70 days

Soil pH

6 – 7

Zone Temperature Range

10°F to 15°F average annual minimum

Growing Season

255 days (Zone 8a average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing24 inches apart
Row Spacing48 inches between rows

Succession Planting Cucumber in Zone 8a

6
successive plantings in Zone 8a's ~255-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Cucumber in Zone 8a

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

Saving Cucumber Seeds

Recommended for Your Garden

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

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Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Cucumber in Zone 8a?

In Zone 8a, plan your Cucumber planting around the average last frost date of March 8. Start seeds indoors around February 8. Direct sow outdoors around March 15. Transplant seedlings around March 22.

Can Cucumber grow in Zone 8a?

Yes, Cucumber can grow well in Zone 8a, hardy in USDA zones 3a through 11b. Zone 8a has a growing season of approximately 255 days, which is sufficient for Cucumber (50-70 days to maturity).

When can I harvest Cucumber in Zone 8a?

In Zone 8a, expect to harvest Cucumber from May 17 – July 12. Cucumber takes 50-70 days from planting to harvest.

What is the last frost date for Zone 8a?

The average last spring frost in Zone 8a is around March 8, and the first fall frost is around November 18. This gives a growing season of approximately 255 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Cucumber?

Good companion plants for Cucumber include Corn, Peas, Radish, Sunflower. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 8a, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.