Agastache/Anise Hyssop

Use our zone-based planting guide to know when to plant agastache/anise hyssop.

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Agastache/Anise Hyssop 3a March 1-15 On/around May 1 On/around May 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 3b March 1-15 On/around May 1 On/around May 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 4a March 1-15 On/around May 1 On/around May 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 4b March 1-15 On/around May 1 On/around May 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 5a Feb. 1-15 On/around April 1 On/around April 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 5b Feb. 1-15 On/around April 1 On/around April 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 6a Feb. 1-15 On/around April 1 On/around April 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 6b Feb. 1-15 On/around April 1 On/around April 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 7a Feb. 1-15 On/around April 1 On/around April 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 7b Feb. 1-15 On/around April 1 On/around April 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 8a Jan. 1-15 On/around March 1 On/around March 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 8b Jan. 1-15 On/around March 1 On/around March 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 9a Dec. 1-15 On/around Feb. 1 On/around March 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 9b Dec. 1-15 On/around Feb. 1 On/around March 15 (after last frost) 1-2 feet n/a
Agastache/Anise Hyssop 10a Nov. 15-30 On/around Jan. 1 On/around Jan. 30 (after any threat of frost has passed) 1-2 feet n/a
Agastache/Anise Hyssop 10b Nov. 15-30 On/around Jan. 1 On/around Jan. 30 (after any threat of frost has passed) 1-2 feet n/a
Agastache/Anise Hyssop 11a Not recommended Not recommended Not recommended Not recommended n/a
Agastache/Anise Hyssop 11b Not recommended Not recommended Not recommended Not recommended n/a

* Start seeds indoors 8-10 weeks before average last frost date or direct sow about 1-2 weeks before the average last frost date. Plant seedlings/transplants after the threat of frost has passed.