Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Lobelia (blue) | 3a | Feb. 15-March 1 | On/around May 15 (after last frost) | May 30-June 15 | 6-8 inches | n/a |
Lobelia (blue) | 3b | Feb. 15-March 1 | On/around May 15 (after last frost) | May 30-June 15 | 6-8 inches | n/a |
Lobelia (blue) | 4a | Feb. 15-March 1 | On/around May 15 (after last frost) | May 30-June 15 | 6-8 inches | n/a |
Lobelia (blue) | 4b | Feb. 15-March 1 | On/around May 15 (after last frost) | May 30-June 15 | 6-8 inches | n/a |
Lobelia (blue) | 5a | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | April 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 5b | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | April 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 6a | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | April 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 6b | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | April 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 7a | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | April 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 7b | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | April 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 8a | Dec. 15-Jan. 1 | On/around March 15 (after last frost) | March 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 8b | Dec. 15-Jan. 1 | On/around March 15 (after last frost) | March 30-May 15 | 6-8 inches | n/a |
Lobelia (blue) | 9a | 10-12 weeks before planting outside | year-round | year-round | 6-8 inches | n/a |
Lobelia (blue) | 9b | 10-12 weeks before planting outside | year-round | year-round | 6-8 inches | n/a |
Lobelia (blue) | 10a | 10-12 weeks before planting outside | year-round | year-round | 6-8 inches | n/a |
Lobelia (blue) | 10b | 10-12 weeks before planting outside | year-round | year-round | 6-8 inches | n/a |
Lobelia (blue) | 11a | 10-12 weeks before planting outside | year-round | year-round | 6-8 inches | n/a |
Lobelia (blue) | 11b | 10-12 weeks before planting outside | year-round | year-round | 6-8 inches | n/a |
* Seeds germinate slowly. You can start seeds, but it's best to go with starter plants. Can be grown as a perennial in Zones 9-11. Direct sow seeds after the last frost, but keep seedlings inside until 2-4 weeks after the last frost.