The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when to plant oxalis is to look at the USDA zone info for Davidson.

Planting Calendar for Oxalis

Frost tolerance for oxalis:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since oxalis require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant oxalis in Davidson 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. If you wait any later than that and your oxalis may not have a chance to fully mature. Starting your oxalis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Davidson. It might get as low as 5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Davidson is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Davidson last frost occurs after April 15 so always be ready to protect your oxalis if you have one of those late frosts.

USDA Zone Info for Davidson

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Davidson

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