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.

By referring to the USDA zone info for Oak Forest it's a good idea to estimate when it's possible to plant aurinia.

Planting Calendar for Aurinia

Frost tolerance for aurinia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Aurinia do well in cold weather which means that you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant aurinia in Oak Forest is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant aurinia and expect a good harvest is probably September. Any later than that and your aurinia may not have a chance to grow to maturity. Starting your aurinia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Oak Forest is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Oak Forest there is a last frost after April 15 so make sure that you are prepared to cover your aurinia if you have one of those late frosts.

USDA Zone Info for Oak Forest

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 Oak Forest

You may be interested in your other planting guides for Oak Forest.