When to Plant Alyssum in Bloomingdale, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's a good idea to plant alyssum in Bloomingdale by checking out the USDA zone info.


Planting Calendar for Alyssum

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

Alyssum can survive in cold weather which means that you can plant them earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant alyssum
Possibly ok, but a risky time to plant alyssum
Probably not a good time to plant alyssum

The earliest that you can plant alyssum in Bloomingdale 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. If you wait any later than that and your alyssum may not have a chance to grow to maturity. If you are starting your alyssum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Bloomingdale. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Bloomingdale is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Bloomingdale it frosts late in the year after April 15 so just be sure to be ready to cover your alyssum in the event of one of those late frosts.

USDA Zone Info for Bloomingdale

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 Bloomingdale

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