Columbine

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

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

* Spring-blooming. Start indoors 6-8 weeks before the average last frost date or direct sow outside after the threat of frost has passed.