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.

By reviewing the USDA zone info for Peoria you will be able to determine when it's possible to plant alyssum.

Planting Calendar for Alyssum

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

Since alyssum are very cold tolerant you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant alyssum in Peoria 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 alyssum and expect a good harvest is probably September. Any later than that and your alyssum may not have a chance to fully mature. Starting your alyssum indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Peoria is not always accurate the actual date of last frost changes from year to year. Half of the time in Peoria there is a last frost after April 15 so make sure that you are prepared to cover your alyssum if you have one of those late frosts.

USDA Zone Info for Peoria

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 Peoria

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