Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sterling Heights you can figure out when you can plant angelonia by referring to 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 do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant angelonia in Sterling Heights 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 fully mature. You can get started a couple of weeks earlier by starting your angelonia indoors.

Last Frost Date

The average date of last frost is April 15 in Sterling Heights. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Sterling Heights is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Sterling Heights last frost occurs after April 15 be ready to protect your angelonia if you have a late frost.

USDA Zone Info for Sterling Heights

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 Sterling Heights

You may be interested in your other planting guides for Sterling Heights.