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.

In Monticello you can figure out when it's a good idea to plant myosotis by referring to 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.

Myosotis are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant myosotis in Monticello is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant myosotis and expect a good harvest is probably August. You probably don't want to wait any later than that or else 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 May 15 in Monticello. You should expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that USDA zone info for Monticello is an average and the actual date of last frost changes from year to year. Half of the time in Monticello there is a last frost after May 15 so make sure that you are ready to cover your myosotis in the event of one of those late frosts.

USDA Zone Info for Monticello

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Monticello

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