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.

A way of making a decision about when it's a good idea to plant oxalis is to examine the USDA zone info for Lexington.

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 need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Lexington 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. 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

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

Always keep in mind that USDA zone info for Lexington is just an average and the actual date of last frost is different every year. Since half of the time in Lexington you get surprised by a frost after April 15 be ready to cover your oxalis in the event of a surprise late frost.

USDA Zone Info for Lexington

Here is the info for USDA Zone 6b.

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

Plants to Grow in Lexington

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