When to Plant Echinacea in Piedmont, CA

The USDA Zone info is a great tool for gardeners to help us determine 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.

The first chance to plant echinacea in Piedmont should be figured out by checking out the USDA zone info.


Planting Calendar for Echinacea

Frost tolerance for echinacea: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Echinacea do well in some cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant echinacea in Piedmont 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 echinacea and expect a good harvest is probably September. You probably don't want to wait any later than that or else your echinacea may not have a chance to fully mature. If you are starting your echinacea 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 January 31 in Piedmont. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Piedmont and it changes from year to year. Since half of the time in Piedmont last frost occurs after January 31 be ready to cover your echinacea if you have a late frost.

USDA Zone Info for Piedmont

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 Low30°F
Highest Expected Low35°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 Piedmont

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