When to Plant Angelonia in Belleville, IL

One of the best tools that you have as gardeners to help us estimate 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 angelonia in Belleville can be estimated by looking at the USDA zone info.


Planting Calendar for Angelonia

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

Since angelonia are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant angelonia
Possibly ok, but a risky time to plant angelonia
Probably not a good time to plant angelonia

The earliest that you can plant angelonia in Belleville 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 angelonia and expect a good harvest is probably August. Any later than that and your angelonia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your angelonia indoors.

Last Frost Date

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

Since the USDA zone info for Belleville is just an average the actual date of last frost will vary from year to year. Since half of the time in Belleville it frosts late in the year after April 15 be ready to cover your angelonia if you have a late frost.

USDA Zone Info for Belleville

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 Low0°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 Belleville

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