One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Prosser you can determine when to plant new zealand spinach by referring to 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.

New Zealand spinach are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant new zealand spinach in Prosser 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. 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. Starting your new zealand spinach indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Prosser the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Prosser and it changes from year to year. Half of the time in Prosser you get surprised by a frost after April 15 so make sure that you are prepared to cover your new zealand spinach in the event of a late frost.

USDA Zone Info for Prosser

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Prosser

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