Growing new zealand spinach in zone 3a

(Zone 3a = an average winter low of -40°F to -35°F.)

In USDA zone 3a, the typical last spring frost is May 29 and the first fall frost is September 5. Here is when to plant new zealand spinach against those dates.

Start seeds indoorsMay 1 to May 8

Direct sow outdoorsMay 29 to June 5

Expected harvestJuly 18 to August 14About 50 to 70 days from sowing.

These are zone 3a averages

Computed from 17 ZIP codes in zone 3a. 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 new zealand spinach from Utah State University Extension. Zone dates are medians; local conditions vary.