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.

One way of determining when to plant angelonia is to use the USDA zone info for Western Springs.

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.

The earliest that you can plant angelonia in Western Springs 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. You probably don't want to wait any later than that or else your angelonia may not have a chance to grow to maturity. Starting your angelonia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Western Springs. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Western Springs is an average and the actual date of last frost changes from year to year. Half of the time in Western Springs you get surprised by a frost after April 15 so make sure that you are ready to cover your angelonia if you have one of those late frosts.

USDA Zone Info for Western Springs

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Western Springs

You may be interested in your other planting guides for Western Springs.