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Lemon Balm

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

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Lemon Balm 3a March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 3b March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 4a March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 4b March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 5a Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 5b Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 6a Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 6b Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 7a Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 7b Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 8a Jan. 1-15 On/around March 15 (after last frost) On/around March 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 8b Jan. 1-15 On/around March 15 (after last frost) On/around March 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 9a Dec. 1-15 On/around Feb. 15 (after last frost) On/around Feb. 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 9b Dec. 1-15 On/around Feb. 15 (after last frost) On/around Feb. 15 (after last frost) 12-18 inches 1-2 for the household
Lemon Balm 10a Not recommended Not recommended Not recommended Not recommended Not recommended
Lemon Balm 10b Not recommended Not recommended Not recommended Not recommended Not recommended
Lemon Balm 11a Not recommended Not recommended Not recommended Not recommended Not recommended
Lemon Balm 11b Not recommended Not recommended Not recommended Not recommended Not recommended

* Lemon balm is a cool-weather perennial that does not perform well in hot, humid climates. Start seedlings 8-10 weeks before your average last frost date.