Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when to plant oxalis is to use the USDA zone info for Coachella.

Planting Calendar for Oxalis

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

Since oxalis require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Coachella is March. However, you really should wait until April 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. If you wait any later than that and your oxalis may not have a chance to grow to maturity. Starting your oxalis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Coachella. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Coachella may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Coachella you get a frost after February 15 be ready to cover your oxalis in the event of one of those late frosts.

USDA Zone Info for Coachella

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 Coachella

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