When to Plant Angelonia in Fontana, CA

Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Fontana you can estimate when it's a good idea to plant angelonia by reviewing the USDA zone info.


Planting Calendar for Angelonia

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

Angelonia are barely cold tolerant which means that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant angelonia in Fontana 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 angelonia and expect a good harvest is probably September. If you wait any later than that and your angelonia may not have a chance to grow to maturity. If you are starting your angelonia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Fontana the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Fontana and it can change quite a bit from year to year. Since half of the time in Fontana you get surprised by a frost after January 31 be ready to cover your angelonia if you have one of those late frosts.

USDA Zone Info for Fontana

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 Fontana

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