Growing swiss chard in zone 6b

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 swiss chard against those dates.

Start seeds indoorsMarch 12 to March 19

Transplant outdoorsApril 23

Direct sow outdoorsMarch 26 to April 2

Plant in fallSeptember 24 to October 1

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 dates

USDA 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 swiss chard from Utah State University Extension. Zone dates are medians; local conditions vary.