Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Viola | 3a | Feb. 15-March 1 | Not recommended | April 15-May 1 | 6-8 inches | n/a |
Viola | 3b | Feb. 15-March 1 | Not recommended | April 15-May 1 | 6-8 inches | n/a |
Viola | 4a | Feb. 15-March 1 | Not recommended | April 15-May 1 | 6-8 inches | n/a |
Viola | 4b | Feb. 15-March 1 | Not recommended | April 15-May 1 | 6-8 inches | n/a |
Viola | 5a | Jan. 15-Feb. 1 | Not recommended | March 15-April 1 | 6-8 inches | n/a |
Viola | 5b | Jan. 15-Feb. 1 | Not recommended | March 15-April 1 | 6-8 inches | n/a |
Viola | 6a | Jan. 15-Feb. 1 | Not recommended | March 15-April 1 | 6-8 inches | n/a |
Viola | 6b | Jan. 15-Feb. 1 | Not recommended | March 15-April 1 | 6-8 inches | n/a |
Viola | 7a | Jan. 15-Feb. 1 | Not recommended | March 15-April 1 | 6-8 inches | n/a |
Viola | 7b | Jan. 15-Feb. 1 | Not recommended | March 15-April 1 | 6-8 inches | n/a |
Viola | 8a | Dec. 15-Jan. 1 | Not recommended | Feb. 15-May 15; Aug. 1-Oct. 30 | 6-8 inches | n/a |
Viola | 8b | Dec. 15-Jan. 1 | Not recommended | Feb. 15-May 15; Aug. 1-Oct. 30 | 6-8 inches | n/a |
Viola | 9a | 10-12 weeks before planting outside | Not recommended | Oct. 1-Nov. 30 | 6-8 inches | n/a |
Viola | 9b | 10-12 weeks before planting outside | Not recommended | Oct. 1-Nov. 30 | 6-8 inches | n/a |
Viola | 10a | 10-12 weeks before planting outside | Not recommended | Oct. 15-Dec. 15 | 6-8 inches | n/a |
Viola | 10b | 10-12 weeks before planting outside | Not recommended | Oct. 15-Dec. 15 | 6-8 inches | n/a |
Viola | 11a | 10-12 weeks before planting outside | Not recommended | Oct. 15-Dec. 15 | 6-8 inches | n/a |
Viola | 11b | 10-12 weeks before planting outside | Not recommended | Oct. 15-Dec. 15 | 6-8 inches | n/a |
* Cool-weather annual; typically planted in early spring or fall. Can tolerate some frost. Most commonly planted as starter plants. Plant when soil can be worked in spring or start seeds 10-12 weeks before the average last frost date.