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.

By checking out the USDA zone info for San Antonio it's a good idea to estimate when it's the best time to plant new zealand spinach.

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 little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant new zealand spinach in San Antonio 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 really do well. You can get started a few weeks earlier by starting your new zealand spinach indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in San Antonio. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for San Antonio may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in San Antonio it frosts late in the year after March 15 so make sure that you are ready to cover your new zealand spinach in the event of one of those late frosts.

USDA Zone Info for San Antonio

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in San Antonio

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