Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant lunaria in Steamboat Springs should be determined 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 are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant lunaria in Steamboat Springs 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. Any later than that and your lunaria may not have a chance to fully mature. If you are starting your lunaria indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Steamboat Springs. It might get as low as -25°F during the coldest months of winter.

Remember that USDA zone info for Steamboat Springs is an average and the actual date of last frost will vary from year to year. Since half of the time in Steamboat Springs it frosts late in the year after May 15 be ready to protect your lunaria in the event of one of those late frosts.

USDA Zone Info for Steamboat Springs

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 Steamboat Springs

You may be interested in your other planting guides for Steamboat Springs.