The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant new zealand spinach in Watertown should be determined by reviewing the USDA zone info.

Planting Calendar for New Zealand spinach

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

You can plant new zealand spinach a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant new zealand spinach in Watertown 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. Any later than that and your new zealand spinach may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your new zealand spinach indoors.

Last Frost Date

In Watertown the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Watertown and it will vary from year to year. Half of the time in Watertown last frost occurs after May 15 so be sure to be ready to protect your new zealand spinach if you have one of those late frosts.

USDA Zone Info for Watertown

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Watertown

You may be interested in your other planting guides for Watertown.