The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when to plant oxalis by reviewing the USDA zone info for Somerton.

Planting Calendar for Oxalis

Frost tolerance for oxalis:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Oxalis are not cold tolerant which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Somerton 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 oxalis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your oxalis may not have a chance to grow to maturity. You can get started a little bit earlier by starting your oxalis indoors.

Last Frost Date

The average date of last frost is January 31 in Somerton. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that USDA zone info for Somerton is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Somerton it frosts late in the year after January 31 so be sure to be ready to protect your oxalis in the event of a surprise late frost.

USDA Zone Info for Somerton

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 Somerton

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