The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's possible to plant copperleaf by reviewing the USDA zone info for Cotati.

Planting Calendar for Copperleaf

Frost tolerance for copperleaf:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Copperleaf are not cold tolerant which means that it is important to wait until it warms up after all chance of frost has passed before you can plant them.

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

Last Frost Date

The average date of last frost is February 15 in Cotati. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Cotati is not always accurate and the actual date of last frost changes from year to year. Half of the time in Cotati it frosts late in the year after February 15 so make sure that you are ready to cover your copperleaf if you have a late frost.

USDA Zone Info for Cotati

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Cotati

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