Plant name | Zone | Start seeds indoors | Start seeds outdoors | Plant seedlings/transplants outdoors | Plant spacing | # plants per person |
Lettuce | 3a | April 1-15 | On/around May 1; On/around July 15 | On/around April 15; July 15-Aug. 15 | 6-18 inches (depending on variety) |
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Lettuce | 3b | April 1-15 | On/around May 1; On/around July 15 | On/around April 15; July 15-Aug. 15 | 6-18 inches (depending on variety) |
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Lettuce | 4a | April 1-15 | On/around May 1; On/around July 15 | On/around April 15; July 15-Aug. 15 | 6-18 inches (depending on variety) |
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Lettuce | 4b | April 1-15 | On/around May 1; On/around July 15 | On/around April 15; July 15-Aug. 15 | 6-18 inches (depending on variety) |
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Lettuce | 5a | March 1-15 | On/around April 1; On/around Aug. 15 | On/around March 15; Aug. 15-Sept. 15 | 6-18 inches (depending on variety) |
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Lettuce | 5b | March 1-15 | On/around April 1; On/around Aug. 15 | On/around March 15; Aug. 15-Sept. 15 | 6-18 inches (depending on variety) |
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Lettuce | 6a | March 1-15 | On/around April 1; On/around Aug. 15 | On/around March 15; Aug. 15-Sept. 15 | 6-18 inches (depending on variety) |
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Lettuce | 6b | March 1-15 | On/around April 1; On/around Aug. 15 | On/around March 15; Aug. 15-Sept. 15 | 6-18 inches (depending on variety) |
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Lettuce | 7a | March 1-15 | On/around April 1; On/around Aug. 15 | On/around March 15; Aug. 15-Sept. 15 | 6-18 inches (depending on variety) |
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Lettuce | 7b | March 1-15 | On/around April 1; On/around Aug. 15 | On/around March 15; Aug. 15-Sept. 15 | 6-18 inches (depending on variety) |
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Lettuce | 8a | Feb. 1-15 | On/around Feb. 1; On/around Sept. 15 | On/around Feb. 15; Sept. 15-Oct. 15 | 6-18 inches (depending on variety) |
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Lettuce | 8b | Feb. 1-15 | On/around Feb. 1; On/around Sept. 15 | On/around Feb. 15; Sept. 15-Oct. 15 | 6-18 inches (depending on variety) |
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Lettuce | 9a | Jan. 1-15 | On/around Feb. 1; On/around Sept. 15 | On/around Jan. 15; Sept. 15-Oct. 15 | 6-18 inches (depending on variety) |
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Lettuce | 9b | Jan. 1-15 | On/around Feb. 1; On/around Sept. 15 | On/around Jan. 15; Sept. 15-Oct. 15 | 6-18 inches (depending on variety) |
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Lettuce | 10a | Dec. 15-Jan. 1 | On/around Feb. 1; On/around Sept. 15 | On/around Jan. 1; Sept. 15-Oct. 15 | 6-18 inches (depending on variety) |
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Lettuce | 10b | Dec. 15-Jan. 1 | On/around Feb. 1; On/around Sept. 15 | On/around Jan. 1; Sept. 15-Oct. 15 | 6-18 inches (depending on variety) |
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Lettuce | 11a | Not recommended | December-March | Not recommended | 6-18 inches (depending on variety) |
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Lettuce | 11b | Not recommended | December-March | Not recommended | 6-18 inches (depending on variety) |
* Begin direct sowing 2 weeks before the last frost and plant again 8 weeks before the last frost for a fall harvest. Seeds can be started indoors 4-6 weeks before the last frost. Plant seedlings about a month before the last frost date and again 4-8 weeks before the first frost.