The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Glen Ellyn you should be able to figure out when it's the best time to plant guara.

Planting Calendar for Guara

Frost tolerance for guara:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since guara require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant guara in Glen Ellyn is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant guara and expect a good harvest is probably August. Any later than that and your guara may not have a chance to really do well. You can get started a couple of weeks earlier by starting your guara indoors.

Last Frost Date

The average date of last frost is April 15 in Glen Ellyn. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Glen Ellyn is just an average the actual date of last frost will vary from year to year. Half of the time in Glen Ellyn you get surprised by a frost after April 15 so always be ready to cover your guara in the event of one of those late frosts.

USDA Zone Info for Glen Ellyn

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 Glen Ellyn

You may be interested in your other planting guides for Glen Ellyn.