One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's the best time to plant copperleaf is to look at the USDA zone info for Marysville.

Planting Calendar for Copperleaf

Frost tolerance for copperleaf:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Copperleaf are not cold tolerant which means that you really should wait until it warms up after the last frost has passed before you can plant them.

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

The last month that you can plant copperleaf and expect a good harvest is probably August. You probably don't want to wait any later than that or else your copperleaf may not have a chance to fully mature. If you are starting your copperleaf indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Marysville. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Marysville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Marysville last frost occurs after April 15 so just be sure to be ready to protect your copperleaf in the event of a surprise late frost.

USDA Zone Info for Marysville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Marysville

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