When to Plant Echinacea in Livermore, CA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Livermore should be reffered to in order to determine when it's a good idea to plant echinacea.


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.

You can plant echinacea a bit earlier in the year because they do ok in moderate 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 Livermore 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. Any later than that and your echinacea may not have a chance to grow to maturity. Starting your echinacea indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Livermore the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Livermore is not always accurate the actual date of last frost will vary from year to year. Half of the time in Livermore you get a frost after February 15 so make sure that you are prepared to cover your echinacea if you have a late frost.

USDA Zone Info for Livermore

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 Livermore

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