Growing tomatillo 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 tomatillo against those dates.
Start seeds indoorsJanuary 27 to February 17
Transplant outdoorsMarch 24 to March 31
Direct sow outdoorsMarch 3
Expected harvestMay 23 to June 14About 60 to 75 days from transplanting.
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 tomatillo from Utah State University Extension. Zone dates are medians; local conditions vary.