When to Plant Anagallis in Altoona, PA

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

One way of getting a good idea when to plant anagallis is to look at the USDA zone info for Altoona.


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 are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

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 Altoona 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 grow to maturity. You can get started a couple of weeks earlier by starting your anagallis indoors.

Last Frost Date

In Altoona the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Altoona may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Altoona there is a last frost after April 15 be ready to protect your anagallis in the event of a surprise late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°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 -5°F.

Plants to Grow in Altoona

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