One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant oxalis in Hazel Crest can be estimated by reviewing the USDA zone info.

Planting Calendar for Oxalis

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

Since oxalis require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Hazel Crest 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 really do well. You can get started a couple of weeks earlier by starting your oxalis indoors.

Last Frost Date

The average date of last frost is April 15 in Hazel Crest. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Hazel Crest is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Hazel Crest you get surprised by a frost after April 15 so be sure to be ready to cover your oxalis if you have one of those late frosts.

USDA Zone Info for Hazel Crest

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 Hazel Crest

You may be interested in your other planting guides for Hazel Crest.