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Cucumbers

Use our zone-based planting guide to know when to plant cucumbers.

Plant name Zone Start seeds indoors Start seeds outdoors Plant seedlings/transplants outdoors Plant spacing # plants per person
Cucumbers 3a Approximately 3 weeks before planting outdoors May 30 or later May 30 or later 2-3 feet 2-3
Cucumbers 3b Approximately 3 weeks before planting outdoors May 30 or later May 30 or later 2-3 feet 2-3
Cucumbers 4a Approximately 3 weeks before planting outdoors May 30 or later May 30 or later 2-3 feet 2-3
Cucumbers 4b Approximately 3 weeks before planting outdoors May 30 or later May 30 or later 2-3 feet 2-3
Cucumbers 5a Approximately 3 weeks before planting outdoors April 30 or later April 30 or later 2-3 feet 2-3
Cucumbers 5b Approximately 3 weeks before planting outdoors April 30 or later April 30 or later 2-3 feet 2-3
Cucumbers 6a Approximately 3 weeks before planting outdoors April 30 or later April 30 or later 2-3 feet 2-3
Cucumbers 6b Approximately 3 weeks before planting outdoors April 30 or later April 30 or later 2-3 feet 2-3
Cucumbers 7a Approximately 3 weeks before planting outdoors April 30 or later April 30 or later 2-3 feet 2-3
Cucumbers 7b Approximately 3 weeks before planting outdoors April 30 or later April 30 or later 2-3 feet 2-3
Cucumbers 8a Approximately 3 weeks before planting outdoors March 30 or later March 30 or later 2-3 feet 2-3
Cucumbers 8b Approximately 3 weeks before planting outdoors March 30 or later March 30 or later 2-3 feet 2-3
Cucumbers 9a Approximately 3 weeks before planting outdoors March 1 or later March 1 or later 2-3 feet 2-3
Cucumbers 9b Approximately 3 weeks before planting outdoors March 1 or later March 1 or later 2-3 feet 2-3
Cucumbers 10a Approximately 3 weeks before planting outdoors Feb. 15 or later Feb. 15 or later 2-3 feet 2-3
Cucumbers 10b Approximately 3 weeks before planting outdoors Feb. 15 or later Feb. 15 or later 2-3 feet 2-3
Cucumbers 11a Approximately 3 weeks before planting outdoors March-April; November-December March-April; November-December 2-3 feet 2-3
Cucumbers 11b Approximately 3 weeks before planting outdoors March-April; November-December March-April; November-December 2-3 feet 2-3

* Cucumbers are easy to grow and grow quickly, so you can practice succession planting and start a new batch every 3 weeks or so for a continuous harvest. Cucumbers are a warm-weather vegetable, so do not plant seeds or seedlings outdoors until at least two weeks after the last frost date.