Portulaca/Moss Rose

Use our zone-based planting guide to know when to plant portulaca/moss rose.

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Portulaca/Moss Rose 3a March 15-April 1 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 3b March 15-April 1 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 4a March 15-April 1 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 4b March 15-April 1 On/around May 15 (after last frost) On/around May 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 5a Feb. 15-March 1 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 5b Feb. 15-March 1 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 6a Feb. 15-March 1 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 6b Feb. 15-March 1 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 7a Feb. 15-March 1 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 7b Feb. 15-March 1 On/around April 15 (after last frost) On/around April 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 8a Jan. 15-Feb. 1 On/around March 15 (after last frost) On/around March 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 8b Jan. 15-Feb. 1 On/around March 15 (after last frost) On/around March 15 (after last frost) 6-12 inches n/a
Portulaca/Moss Rose 9a 6-8 weeks before planting outdoors May 1-Oct. 30 May 1-Oct. 30 6-12 inches n/a
Portulaca/Moss Rose 9b 6-8 weeks before planting outdoors May 1-Oct. 30 May 1-Oct. 30 6-12 inches n/a
Portulaca/Moss Rose 10a 6-8 weeks before planting outdoors May 1-Nov. 30 May 1-Nov. 30 6-12 inches n/a
Portulaca/Moss Rose 10b 6-8 weeks before planting outdoors May 1-Nov. 30 May 1-Nov. 30 6-12 inches n/a
Portulaca/Moss Rose 11a 6-8 weeks before planting outdoors May 1-Nov. 30 May 1-Nov. 30 6-12 inches n/a
Portulaca/Moss Rose 11b 6-8 weeks before planting outdoors May 1-Nov. 30 May 1-Nov. 30 6-12 inches n/a

* Can be grown as a perennial in Zones 10-11; grow as an annual elsewhere. Direct sow after last frost or start seeds indoors 6-8 weeks before the average last frost date.