One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Wyoming can be used to figure out when it's the best time to plant forget-me-not.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant forget-me-not a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant forget-me-not in Wyoming 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 forget-me-not and expect a good harvest is probably September. You probably don't want to wait any later than that or else your forget-me-not may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your forget-me-not indoors.

Last Frost Date

The average date of last frost is April 15 in Wyoming. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Wyoming is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Wyoming you get surprised by a frost after April 15 so be sure to be ready to protect your forget-me-not in the event of a surprise late frost.

USDA Zone Info for Wyoming

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 Wyoming

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