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

You can estimate when to plant oxalis in Wenatchee by reviewing the USDA zone info.

Planting Calendar for Oxalis

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

Since oxalis are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Wenatchee is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant oxalis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your oxalis may not have a chance to fully mature. Starting your oxalis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Wenatchee. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Wenatchee is just an average the actual date of last frost is different every year. Since half of the time in Wenatchee you get a frost after April 15 be ready to protect your oxalis if you have one of those late frosts.

USDA Zone Info for Wenatchee

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Wenatchee

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