The USDA Zone info is a great tool for gardeners to help us figure out 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 Cheyenne should be looked at to estimate when it's the best time to plant oregano.

Planting Calendar for Oregano

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

Oregano are moderately cold tolerant which means that you can get them planted earlier than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is April 15 in Cheyenne. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Cheyenne is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Cheyenne you get a frost after April 15 so be sure to be ready to cover your oregano if you have one of those late frosts.

USDA Zone Info for Cheyenne

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 Cheyenne

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