Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Waterloo you can figure out when it's a good idea to plant guara by reviewing the USDA zone info.

Planting Calendar for Guara

Frost tolerance for guara:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Guara do not do well in cold weather which means that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant guara in Waterloo 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 fully mature. Starting your guara indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Waterloo. It might get as low as -20°F during the coldest months of winter.

It's important to remember that USDA zone info for Waterloo is an average and the actual date of last frost changes from year to year. Half of the time in Waterloo it frosts late in the year after April 15 so make sure that you are prepared to cover your guara in the event of one of those late frosts.

USDA Zone Info for Waterloo

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Waterloo

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