One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Cody can be reviewed to determine when you can plant common hollyhock.

Planting Calendar for Common hollyhock

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

Common hollyhock do well in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant common hollyhock in Cody 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 common hollyhock and expect a good harvest is probably September. If you wait any later than that and your common hollyhock may not have a chance to grow to maturity. You can get started a little bit earlier by starting your common hollyhock indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Cody. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Cody is not always accurate the actual date of last frost will vary from year to year. Half of the time in Cody last frost occurs after April 15 so always be ready to cover your common hollyhock in the event of one of those late frosts.

USDA Zone Info for Cody

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Cody

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