One of the best tools that you have as gardeners to help us estimate 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.

A way of making a decision about when it's a good idea to plant anagallis is to refer to the USDA zone info for Arcata.

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 plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant anagallis in Arcata 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 grow to maturity. You can get started a couple of weeks earlier by starting your anagallis indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Arcata. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Arcata and it is different every year. Since half of the time in Arcata you get a frost after February 15 be ready to cover your anagallis if you have a late frost.

USDA Zone Info for Arcata

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 Low	25°F
Highest Expected Low	30°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 Arcata

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