The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Worland you can determine when to plant lunaria by referring to the USDA zone info.

Planting Calendar for Lunaria

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

Lunaria do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant lunaria in Worland is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant lunaria and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lunaria may not have a chance to really do well. Starting your lunaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Worland. In the coldest months of winter you should expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Worland is an average and the actual date of last frost will vary from year to year. Since half of the time in Worland you get surprised by a frost after May 15 be ready to protect your lunaria in the event of one of those late frosts.

USDA Zone Info for Worland

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Worland

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