When to Plant Browallia in Livermore, CA

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.

A way of determining when you can plant browallia is to use the USDA zone info for Livermore.


Planting Calendar for Browallia

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

Browallia do not do well in cold weather which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant browallia in Livermore 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 browallia and expect a good harvest is probably September. Any later than that and your browallia may not have a chance to grow to maturity. Starting your browallia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Livermore. 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 Livermore may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Livermore you get a frost after February 15 be ready to cover your browallia if you have one of those late frosts.

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.