Zucchini

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

Plant name Zone Start seeds indoors Start seeds outdoors Plant seedlings/transplants outdoors Plant spacing # plants per person
Zucchini 3a April 15-May 1 On/around May 15 (after last frost) On/around May 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 3b April 15-May 1 On/around May 15 (after last frost) On/around May 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 4a April 15-May 1 On/around May 15 (after last frost) On/around May 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 4b April 15-May 1 On/around May 15 (after last frost) On/around May 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 5a March 15-April 1 On/around April 15 (after last frost) On/around April 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 5b March 15-April 1 On/around April 15 (after last frost) On/around April 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 6a March 15-April 1 On/around April 15 (after last frost) On/around April 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 6b March 15-April 1 On/around April 15 (after last frost) On/around April 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 7a March 15-April 1 On/around April 15 (after last frost) On/around April 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 7b March 15-April 1 On/around April 15 (after last frost) On/around April 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 8a Feb. 15-March 1 On/around March 15 (after last frost) On/around March 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 8b Feb. 15-March 1 On/around March 15 (after last frost) On/around March 30 (2 weeks after last frost) 2-4 feet 1-2
Zucchini 9a Dec. 1-15 Jan. 15-Feb. 15 Jan. 15-Feb. 15 2-4 feet 1-2
Zucchini 9b Dec. 1-15 Jan. 15-Feb. 15 Jan. 15-Feb. 15 2-4 feet 1-2
Zucchini 10a Feb. 1-15 March 1-15 March 1-15 2-4 feet 1-2
Zucchini 10b Feb. 1-15 March 1-15 March 1-15 2-4 feet 1-2
Zucchini 11a Feb. 1-15 March 1-15 March 1-15 2-4 feet 1-2
Zucchini 11b Feb. 1-15 March 1-15 March 1-15 2-4 feet 1-2