When to Plant and Harvest Cucumber

Long, seedless cucumber with thin, edible skin and mild, crisp flesh, no peeling required

Soil pH: Target soil pH 6.5. Lime if a soil test reads below 6.0. Keep it within 6.0 to 7.0. Soil Test Desk

Curing and storage: Store at 50 to 55F and 90 to 95% humidity. Keeps 10 to 14 days. Cure: No curing. Do not store cucumbers next to tomatoes, melons, or apples. Harvest Storage Desk

Pets: Non-toxic to dogs and cats (ASPCA). ASPCA entry. Pet-Safe Garden Finder

Flavor notes: Thin-skinned, mild, and nearly seedless.

Variety notes: Long, thin-skinned type; usually needs trellising.

Best Time and Place to Plant Cucumber

In USDA zone 7, the typical spring window is April 1 to May 15. Cooler zones usually plant later; warmer zones plant earlier.

Plant English Cucumber in a spot with 8+ hours of direct sun, soil warmed to 70F to 95F, and enough room for 18 inches between plants and 60 inches between rows.

Planting Windows by Zone

ZoneSpringFall
Zone 1May 20 to June 15Spring only
Zone 2May 15 to June 10Spring only
Zone 3May 10 to June 5Spring only
Zone 4May 1 to June 1Spring only
Zone 5April 25 to May 25Spring only
Zone 6April 15 to May 20Spring only
Zone 7April 1 to May 15Spring only
Zone 8March 15 to May 1Spring only
Zone 9March 1 to April 15July 15 to August 15
Zone 10February 15 to April 1August 1 to September 1
Zone 11February 1 to March 15August 15 to October 1
Zone 12January 15 to March 1September 1 to October 15
Zone 13Year-roundYear-round

Spacing and Care

  • Planting depth: 1 inches deep
  • Spacing: 18 inches apart, 60 inches between rows
  • Soil temperature: 70F to 95F
  • Sunlight: 8+ hours
  • Watering: 1-2 inches per week; consistent moisture prevents bitterness
  • Days to harvest: 60

Fertilization

  • High-nitrogen starter synthetic: At planting, then switch to balanced
  • Aged Manure organic: 3 inches worked into soil before planting
  • Liquid Seaweed organic: Foliar spray every 2 weeks

Companion Plants

  • Beans
  • Corn
  • Peas
  • Marigold

Avoid Planting Near

  • Potatoes
  • Aromatic herbs
  • Melons

Check any pair, and see which pairings have research behind them, on the Companion Planting Desk.

Harvest Signs

  • Fruit is 12-14 inches long and uniformly dark green
  • Skin is smooth with no bumps or yellowing
  • Harvest before tips begin to yellow
  • Grows best on a trellis for straight fruit

Track picks and rate the season on the Harvest Log.

FAQs

When should I plant Cucumber?

Cucumber planting depends on your USDA hardiness zone. In USDA zone 7, the typical spring window is April 1 to May 15. Cooler zones usually plant later; warmer zones plant earlier.

What is the best time of year to plant Cucumber?

The best time of year to plant Cucumber is when your zone planting window is open and soil temperatures are around 70F to 95F. In USDA zone 7, the typical spring window is April 1 to May 15. Cooler zones usually plant later; warmer zones plant earlier.

Where is the best place to plant Cucumber?

Plant English Cucumber in a spot with 8+ hours of direct sun, soil warmed to 70F to 95F, and enough room for 18 inches between plants and 60 inches between rows.

How far apart should I plant Cucumber?

Plant Cucumber about 18 inches apart, with rows around 60 inches apart.

What grows well with Cucumber?

Cucumber is commonly paired with Beans, Corn, Peas, Marigold.

How long does Cucumber take to grow?

Cucumber is typically ready to harvest in about 60 days under good conditions. Use the harvest signs below rather than the calendar alone.

How do I know when to harvest Cucumber?

Harvest Cucumber when fruit is 12-14 inches long and uniformly dark green. Skin is smooth with no bumps or yellowing Harvest before tips begin to yellow