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.

The best time to plant lunaria in Cottonwood can be figured out by using 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.

You can plant lunaria a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

Last Frost Date

The average date of last frost is March 15 in Cottonwood. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Cottonwood is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Cottonwood there is a last frost after March 15 so just be sure to be ready to protect your lunaria if you have a surprise late frost.

USDA Zone Info for Cottonwood

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Cottonwood

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