One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when it's the best time to plant copperleaf by referring to the USDA zone info for Monterey.

Planting Calendar for Copperleaf

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

Copperleaf do not do well in cold weather which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant copperleaf in Monterey 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 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 grow to maturity. If you are starting your copperleaf indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Monterey. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Monterey and it can change quite a bit from year to year. Half of the time in Monterey it frosts late in the year after January 31 so make sure that you are prepared to protect your copperleaf in the event of a surprise late frost.

USDA Zone Info for Monterey

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Monterey

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