Snapdragon

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

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Snapdragon 3a Feb. 15-March 1 Not recommended On/around May 1 6-12 inches n/a
Snapdragon 3b Feb. 15-March 1 Not recommended On/around May 1 6-12 inches n/a
Snapdragon 4a Feb. 15-March 1 Not recommended On/around May 1 6-12 inches n/a
Snapdragon 4b Feb. 15-March 1 Not recommended On/around May 1 6-12 inches n/a
Snapdragon 5a Jan. 15-Feb. 1 Not recommended On/around April 1 6-12 inches n/a
Snapdragon 5b Jan. 15-Feb. 1 Not recommended On/around April 1 6-12 inches n/a
Snapdragon 6a Jan. 15-Feb. 1 Not recommended On/around April 1 6-12 inches n/a
Snapdragon 6b Jan. 15-Feb. 1 Not recommended On/around April 1 6-12 inches n/a
Snapdragon 7a Jan. 15-Feb. 1 Not recommended On/around April 1 6-12 inches n/a
Snapdragon 7b Jan. 15-Feb. 1 Not recommended On/around April 1 6-12 inches n/a
Snapdragon 8a Dec. 15-Jan. 1 Not recommended On/around March 1 6-12 inches n/a
Snapdragon 8b Dec. 15-Jan. 1 Not recommended On/around March 1 6-12 inches n/a
Snapdragon 9a September-November; March-April Not recommended September-November; March-April 6-12 inches n/a
Snapdragon 9b September-November; March-April Not recommended September-November; March-April 6-12 inches n/a
Snapdragon 10a September-December; February-April Not recommended September-December; February-April 6-12 inches n/a
Snapdragon 10b September-December; February-April Not recommended September-December; February-April 6-12 inches n/a
Snapdragon 11a Not recommended Not recommended Not recommended 6-12 inches n/a
Snapdragon 11b Not recommended Not recommended Not recommended 6-12 inches n/a

* Start indoors 10-12 weeks before average last frost date and transplant outside approximately two weeks before average last frost date. Can overwinter in Zones 7-10.