Rosemary

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

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

* Rosemary grows as a perennial shrub in Zones 8 and higher. It is slow to start from seed, so purchase seedlings or start from cuttings (branches of existing plants) in cooler climates.