One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when to plant new zealand spinach is to examine the USDA zone info for Mount Vernon.

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.

New Zealand spinach are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant new zealand spinach in Mount Vernon is February. However, you really should wait until March 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 September. 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

The average date of last frost is April 15 in Mount Vernon. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Mount Vernon is an average the actual date of last frost is different every year. Half of the time in Mount Vernon you get surprised by a frost after April 15 so make sure that you are prepared to cover your new zealand spinach if you have a surprise late frost.

USDA Zone Info for Mount Vernon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Mount Vernon

You may be interested in your other planting guides for Mount Vernon.