One of the best tools that you have as gardeners to help us determine 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.

A common way of estimating when you can plant myosotis is to use the USDA zone info for Evansville.

Planting Calendar for Myosotis

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

Myosotis are moderately cold tolerant which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant myosotis in Evansville 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. Any later than that and your myosotis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your myosotis indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Evansville. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Evansville is an average the actual date of last frost changes from year to year. Since half of the time in Evansville last frost occurs after April 15 be ready to protect your myosotis if you have a surprise late frost.

USDA Zone Info for Evansville

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Evansville

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