The USDA Zone info is a great tool for gardeners to help us determine 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 Spring Grove you can figure out when it's a good idea to plant myosotis by looking at 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 moderately cold tolerant which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant myosotis in Spring Grove 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 fully mature. Starting your myosotis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Spring Grove. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Spring Grove is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Spring Grove you get a frost after April 15 so be sure to be ready to cover your myosotis if you have one of those late frosts.

USDA Zone Info for Spring Grove

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 Spring Grove

You may be interested in your other planting guides for Spring Grove.