Growing german chamomile in zone 3b
(Zone 3b = an average winter low of -35°F to -30°F.)
In USDA zone 3b, the typical last spring frost is May 17 and the first fall frost is September 23. Here is when to plant german chamomile against those dates.
Start seeds indoorsMarch 22 to April 5
Direct sow outdoorsMay 10 to May 17
These are zone 3b averages
Computed from 224 ZIP codes in zone 3b. 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 german chamomile from University of Wisconsin-Madison Division of Extension (Wisconsin Horticulture). Zone dates are medians; local conditions vary.