Hibiscus (Hardy)

Use our zone-based planting guide to know when to plant hibiscus/hardy.

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

* Start seeds indoors 10-12 weeks before the average last frost date or plant a starter plant. Hardy to Zones 4-9. Make sure you have a perennial variety versus a tropical annual.