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When to Plant Anemone in San Ramon, CA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

By looking at the USDA zone info for San Ramon it's a good idea to determine when it's a good idea to plant anemone.


Planting Calendar for Anemone

Frost tolerance for anemone: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Anemone are moderately cold tolerant which means that you can start planting them earlier than other plants that might not handle the cold.

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

The earliest that you can plant anemone in San Ramon is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant anemone and expect a good harvest is probably October. You probably don't want to wait any later than that or else your anemone may not have a chance to grow to maturity. If you are starting your anemone indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In San Ramon 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.

Just be sure to remember that USDA zone info for San Ramon may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in San Ramon there is a last frost after February 15 so make sure that you are prepared to cover your anemone in the event of one of those late frosts.

USDA Zone Info for San Ramon

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 San Ramon

You may be interested in your other planting guides for San Ramon.