The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Palos Hills you can figure out when to plant achimenes by using the USDA zone info.

Planting Calendar for Achimenes

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

You should not plant achimenes until after all chance of frost has passed because they require warm weather.

The earliest that you can plant achimenes in Palos Hills 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 achimenes and expect a good harvest is probably August. If you wait any later than that and your achimenes may not have a chance to fully mature. Starting your achimenes 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 Palos Hills. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Palos Hills and it can change quite a bit from year to year. Half of the time in Palos Hills you get a frost after April 15 so make sure that you are prepared to cover your achimenes if you have one of those late frosts.

USDA Zone Info for Palos Hills

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 Palos Hills

You may be interested in your other planting guides for Palos Hills.