The USDA Zone info is a great tool for gardeners to help us determine 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 opportunity to plant new zealand spinach in Irvine can be estimated 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 do well in moderate cold.

The earliest that you can plant new zealand spinach in Irvine is January. However, you really should wait until February 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 October. If you wait any later than that and your new zealand spinach may not have a chance to really do well. You can get started a little bit earlier by starting your new zealand spinach indoors.

Last Frost Date

In Irvine the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Irvine and it changes from year to year. Half of the time in Irvine there is a last frost after January 31 so always be ready to cover your new zealand spinach in the event of a surprise late frost.

USDA Zone Info for Irvine

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Irvine

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