The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's a good idea to plant angel's trumpets is to look at the USDA zone info for South Elgin.

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 other frost tender plants.

The earliest that you can plant angel's trumpets in South Elgin 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 really do well. You can get started a little bit earlier by starting your angel's trumpets indoors.

Last Frost Date

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

Since the USDA zone info for South Elgin is an average the actual date of last frost can change quite a bit from year to year. Half of the time in South Elgin there is a last frost after April 15 so just be sure to be ready to protect your angel's trumpets in the event of one of those late frosts.

USDA Zone Info for South Elgin

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 South Elgin

You may be interested in your other planting guides for South Elgin.