Before planting it is a good idea to find your USDA Zone info to estimate 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 figure out when it's possible to plant oxalis in Pittsburg by looking at the USDA zone info.

Planting Calendar for Oxalis

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

Oxalis do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant oxalis in Pittsburg 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. You can get started a few weeks earlier by starting your oxalis indoors.

Last Frost Date

In Pittsburg the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Remember that USDA zone info for Pittsburg is not always accurate and the actual date of last frost is different every year. Since half of the time in Pittsburg it frosts late in the year after April 15 be ready to cover your oxalis if you have a surprise late frost.

USDA Zone Info for Pittsburg

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 Pittsburg

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