Growing forget-me-not in zone 8b
(Zone 8b = an average winter low of 15°F to 20°F.)
In USDA zone 8b, the typical last spring frost is March 17 and the first fall frost is November 14. Here is when to plant forget-me-not against those dates.
Start seeds indoorsJanuary 6 to January 20
These are zone 8b averages
Computed from 3,378 ZIP codes in zone 8b. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.
Get my exact datesUSDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Planting windows for forget-me-not from North Carolina Extension Gardener Plant Toolbox (NC State Extension). Zone dates are medians; local conditions vary.