When to Plant Copperleaf in Claremont, CA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant copperleaf by reviewing the USDA zone info for Claremont.


Planting Calendar for Copperleaf

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

Since copperleaf require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant copperleaf
Possibly ok, but a risky time to plant copperleaf
Probably not a good time to plant copperleaf

The earliest that you can plant copperleaf in Claremont 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 grow to maturity. 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

In Claremont the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Claremont is an average and the actual date of last frost is different every year. Since half of the time in Claremont you get surprised by a frost after February 15 be ready to cover your copperleaf if you have a late frost.

USDA Zone Info for Claremont

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 Low25°F
Highest Expected Low30°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 Claremont

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