One of the best tools that you have as gardeners to help us determine 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 Schiller Park can be read to determine when you can plant aubretia.

Planting Calendar for Aubretia

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

Aubretia are very cold tolerant which tells us that you can start planting them much earlier than plants that are more sensitive to the cold.

The earliest that you can plant aubretia in Schiller Park 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 aubretia and expect a good harvest is probably September. Any later than that and your aubretia may not have a chance to fully mature. You can get started a few weeks earlier by starting your aubretia indoors.

Last Frost Date

The average date of last frost is April 15 in Schiller Park. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Schiller Park may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Schiller Park it frosts late in the year after April 15 be ready to cover your aubretia in the event of a surprise late frost.

USDA Zone Info for Schiller Park

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 Schiller Park

You may be interested in your other planting guides for Schiller Park.