Growing tomatillo in zone 6b
(Zone 6b = an average winter low of -5°F to 0°F.)
In USDA zone 6b, the typical last spring frost is April 23 and the first fall frost is October 22. Here is when to plant tomatillo against those dates.
Start seeds indoorsMarch 5 to March 26
Transplant outdoorsApril 30 to May 7
Direct sow outdoorsApril 9
Expected harvestJune 29 to July 21About 60 to 75 days from transplanting.
These are zone 6b averages
Computed from 5,242 ZIP codes in zone 6b. 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 tomatillo from Utah State University Extension. Zone dates are medians; local conditions vary.