One of the best tools that you have as gardeners to help us determine 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 USDA zone info for South Haven can be reviewed to figure out when it's the best time to plant anagallis.

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.

Since anagallis do ok in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant anagallis in South Haven 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 really do well. You can get started a little bit earlier by starting your anagallis indoors.

Last Frost Date

The average date of last frost is April 15 in South Haven. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for South Haven is an average the actual date of last frost will vary from year to year. Half of the time in South Haven you get surprised by a frost after April 15 so just be sure to be ready to protect your anagallis if you have a late frost.

USDA Zone Info for South Haven

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in South Haven

You may be interested in your other planting guides for South Haven.