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When to Plant Angel's Trumpets in Ballwin, MO

One of the first steps you take when you are figuring out your gardening schedule is find your 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 first chance to plant angel's trumpets in Ballwin should be determined by reviewing the USDA zone info.


Planting Calendar for Angel's Trumpets

Frost tolerance for angel's trumpets: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Angel's Trumpets do ok in some cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant angel's trumpets
Possibly ok, but a risky time to plant angel's trumpets
Probably not a good time to plant angel's trumpets

The earliest that you can plant angel's trumpets in Ballwin 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 angel's trumpets and expect a good harvest is probably August. Any later than that and your angel's trumpets may not have a chance to fully mature. If you are starting your angel's trumpets indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ballwin. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Ballwin is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Ballwin you get surprised by a frost after April 15 so always be ready to cover your angel's trumpets if you have a late frost.

USDA Zone Info for Ballwin

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 Ballwin

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