Growing sweet marjoram in zone 7a
(Zone 7a = an average winter low of 0°F to 5°F.)
In USDA zone 7a, the typical last spring frost is April 16 and the first fall frost is October 25. Here is when to plant sweet marjoram against those dates.
Start seeds indoorsFebruary 5 to February 19
Direct sow outdoorsApril 16
These are zone 7a averages
Computed from 4,863 ZIP codes in zone 7a. 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 sweet marjoram from UC Master Gardeners of Santa Clara County (UC Agriculture and Natural Resources). Zone dates are medians; local conditions vary.