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.

In Ypsilanti you can figure out when it's a good idea to 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.

You can plant angelonia just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant angelonia in Ypsilanti 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. If you wait any later than that and your angelonia may not have a chance to really do well. You can get started a few weeks earlier by starting your angelonia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Ypsilanti. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Ypsilanti and it will vary from year to year. Since half of the time in Ypsilanti it frosts late in the year after April 15 be ready to protect your angelonia if you have one of those late frosts.

USDA Zone Info for Ypsilanti

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 Ypsilanti

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