When to Plant Anagallis in Colton, CA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's possible to plant anagallis is to refer to the USDA zone info for Colton.


Planting Calendar for Anagallis

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

Anagallis are barely cold tolerant which tells us that you can get them planted just a bit earlier than other frost tender plants.

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

The earliest that you can plant anagallis in Colton 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 anagallis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your anagallis may not have a chance to fully mature. If you are starting your anagallis 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 February 15 in Colton. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Colton is just an average and the actual date of last frost changes from year to year. Since half of the time in Colton it frosts late in the year after February 15 be ready to cover your anagallis in the event of a surprise late frost.

USDA Zone Info for Colton

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 Colton

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