The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Guymon should be read to figure out when it's possible to plant myosotis.

Planting Calendar for Myosotis

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

You can plant myosotis a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant myosotis in Guymon 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. You probably don't want to wait any later than that or else your myosotis may not have a chance to really do well. You can get started a little bit earlier by starting your myosotis indoors.

Last Frost Date

The average date of last frost is April 15 in Guymon. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Guymon is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Guymon you get surprised by a frost after April 15 so make sure that you are ready to protect your myosotis in the event of a late frost.

USDA Zone Info for Guymon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Guymon

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