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Calibrachoa/Million Bells

Use our zone-based planting guide to know when to plant calibrachoa/million bells.

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Calibrachoa/Million Bells 3a March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 3b March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 4a March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 4b March 1-15 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 5a Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 5b Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 6a Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 6b Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 7a Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 7b Feb. 1-15 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 8a Jan. 1-15 On/around March 15 (after last frost) On/around March 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 8b Jan. 1-15 On/around March 15 (after last frost) On/around March 15 (after last frost) 6-12 inches n/a
Calibrachoa/Million Bells 9a 8-10 weeks before planting outside year-round year-round 6-12 inches n/a
Calibrachoa/Million Bells 9b 8-10 weeks before planting outside year-round year-round 6-12 inches n/a
Calibrachoa/Million Bells 10a 8-10 weeks before planting outside year-round year-round 6-12 inches n/a
Calibrachoa/Million Bells 10b 8-10 weeks before planting outside year-round year-round 6-12 inches n/a
Calibrachoa/Million Bells 11a 8-10 weeks before planting outside year-round year-round 6-12 inches n/a
Calibrachoa/Million Bells 11b 8-10 weeks before planting outside year-round year-round 6-12 inches n/a

* Can be grown as a perennial in Zones 9-11. Start indoors 8-10 weeks before last frost.