One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when you can plant anagallis by looking at the USDA zone info for Colleyville.

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 more sensitive plants.

The earliest that you can plant anagallis in Colleyville 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 anagallis and expect a good harvest is probably August. Any later than that and your anagallis may not have a chance to fully mature. You can get started a little bit earlier by starting your anagallis indoors.

Last Frost Date

The average date of last frost is March 15 in Colleyville. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Colleyville is just an average and the actual date of last frost changes from year to year. Since half of the time in Colleyville it frosts late in the year after March 15 be ready to cover your anagallis if you have a late frost.

USDA Zone Info for Colleyville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Colleyville

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