When to Plant Myosotis in Wilmette, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

In Wilmette you can estimate when it's the best time to plant myosotis by checking out the USDA zone info.


Planting Calendar for Myosotis

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

Since myosotis are moderately cold tolerant you can plant them a little 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 Wilmette 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 really do well. Starting your myosotis 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 Wilmette. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Wilmette is not always accurate and the actual date of last frost is different every year. Since half of the time in Wilmette last frost occurs after April 15 be ready to protect your myosotis in the event of a surprise late frost.

USDA Zone Info for Wilmette

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 Wilmette

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