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

The best time to plant anagallis in Seattle can be estimated by referring to the USDA zone info.

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 means that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant anagallis in Seattle 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. If you wait any later than that and your anagallis may not have a chance to really do well. You can get started a few weeks earlier by starting your anagallis indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Seattle. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Seattle may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Seattle you get surprised by a frost after March 15 so just be sure to be ready to protect your anagallis in the event of a late frost.

USDA Zone Info for Seattle

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Seattle

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