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 it's possible to plant oxalis in Ellsworth by using 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 require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant oxalis in Ellsworth 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 really do well. Starting your oxalis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Ellsworth is an average and the actual date of last frost will vary from year to year. Half of the time in Ellsworth it frosts late in the year after April 15 so always be ready to cover your oxalis if you have one of those late frosts.

USDA Zone Info for Ellsworth

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 Ellsworth

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