One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Mansfield should be used to figure out when you can plant oxalis.

Planting Calendar for Oxalis

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

Since oxalis do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant oxalis in Mansfield 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 little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Mansfield. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Mansfield may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Mansfield you get surprised by a frost after April 15 so be sure to be ready to cover your oxalis in the event of a late frost.

USDA Zone Info for Mansfield

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mansfield

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