Impatiens

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

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Impatiens 3a Not recommended Not recommended On/around May 15 (after last frost) 8-10 inches n/a
Impatiens 3b Not recommended Not recommended On/around May 15 (after last frost) 8-10 inches n/a
Impatiens 4a Not recommended Not recommended On/around May 15 (after last frost) 8-10 inches n/a
Impatiens 4b Not recommended Not recommended On/around May 15 (after last frost) 8-10 inches n/a
Impatiens 5a Not recommended Not recommended On/around April 15 (after last frost) 8-10 inches n/a
Impatiens 5b Not recommended Not recommended On/around April 15 (after last frost) 8-10 inches n/a
Impatiens 6a Not recommended Not recommended On/around April 15 (after last frost) 8-10 inches n/a
Impatiens 6b Not recommended Not recommended On/around April 15 (after last frost) 8-10 inches n/a
Impatiens 7a Not recommended Not recommended On/around April 15 (after last frost) 8-10 inches n/a
Impatiens 7b Not recommended Not recommended On/around April 15 (after last frost) 8-10 inches n/a
Impatiens 8a Not recommended Not recommended On/around March 15 (after last frost) 8-10 inches n/a
Impatiens 8b Not recommended Not recommended On/around March 15 (after last frost) 8-10 inches n/a
Impatiens 9a Not recommended Not recommended On/around Feb. 15 (after last frost) 8-10 inches n/a
Impatiens 9b Not recommended Not recommended On/around Feb. 15 (after last frost) 8-10 inches n/a
Impatiens 10a Not recommended Not recommended year-round 8-10 inches n/a
Impatiens 10b Not recommended Not recommended year-round 8-10 inches n/a
Impatiens 11a Not recommended Not recommended year-round 8-10 inches n/a
Impatiens 11b Not recommended Not recommended year-round 8-10 inches n/a

* Hardy in Zones 10-11. Seed-starting can be finicky and requires high temps and special equipment, so is not recommended.