One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant copperleaf is to refer to the USDA zone info for Sunnyvale.

Planting Calendar for Copperleaf

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

Since copperleaf do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant copperleaf in Sunnyvale 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. If you wait any later than that and your copperleaf may not have a chance to fully mature. Starting your copperleaf indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Sunnyvale. In the coldest months of winter you can expect an average low temperature of 10°F.

Remember that USDA zone info for Sunnyvale is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Sunnyvale it frosts late in the year after March 15 so make sure that you are ready to cover your copperleaf in the event of one of those late frosts.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Sunnyvale

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