When can I plant New Zealand spinach in Zone 3a

One of the first steps we take when we are getting a good idea our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By checking out the USDA zone info for Zone 3a it's a good idea to figure out when you can plant new zealand spinach.


Planting Calendar for New Zealand spinach

Frost tolerance for new zealand spinach: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

New Zealand spinach are moderately cold tolerant which means that you can start planting them earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant new zealand spinach
Possibly ok, but a risky time to plant new zealand spinach
Probably not a good time to plant new zealand spinach

The earliest that you can plant new zealand spinach in Zone 3a is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant new zealand spinach and expect a good harvest is probably August. You probably don't want to wait any later than that or else your new zealand spinach may not have a chance to really do well. You can get started a few weeks earlier by starting your new zealand spinach indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 3a. In the coldest months of winter we should expect an average low temperature of -40°F.

Since the USDA zone info for Zone 3a is not always accurate our actual date of last frost will vary from year to year. Since half of the time in Zone 3a we get surprised by a frost after May 15 be ready to protect your new zealand spinach if we have a late frost.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.