When to Plant Anagallis in Glenwood, IA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant anagallis is to look at the USDA zone info for Glenwood.


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.

You can plant anagallis slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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 Glenwood 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. If you are starting your anagallis indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Glenwood the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Glenwood is an average the actual date of last frost will vary from year to year. Half of the time in Glenwood you get a frost after April 15 so make sure that you are ready to protect your anagallis in the event of one of those late frosts.

USDA Zone Info for Glenwood

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Glenwood

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