When to Plant Myosotis in Belleville, IL

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's the best time to plant myosotis is to look at the USDA zone info for Belleville.


Planting Calendar for Myosotis

Frost tolerance for myosotis: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Myosotis do ok in a little bit of cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant myosotis in Belleville 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 myosotis and expect a good harvest is probably September. If you wait any later than that and your myosotis may not have a chance to grow to maturity. If you are starting your myosotis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Belleville the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Belleville is just an average and the actual date of last frost is different every year. Since half of the time in Belleville there is a last frost after April 15 be ready to protect your myosotis in the event of one of those late frosts.

USDA Zone Info for Belleville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Belleville

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