Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant new zealand spinach in San Jose should 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.

Since new zealand spinach are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

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

Last Frost Date

On average the last frost has passed is on February 15 in San Jose. It might get as low as 25°F during 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 San Jose and it is different every year. Half of the time in San Jose you get a frost after February 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 San Jose

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in San Jose

You may be interested in your other planting guides for San Jose.