One of the first steps you take when you are figuring out your gardening schedule is find your 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.

The best time to plant guara in Iowa City can be estimated by checking out the USDA zone info.

Planting Calendar for Guara

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

Guara are not cold tolerant which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant guara in Iowa City 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. You probably don't want to wait any later than that or else your guara may not have a chance to grow to maturity. If you are starting your guara indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Iowa City is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Iowa City it frosts late in the year after April 15 be ready to cover your guara if you have a late frost.

USDA Zone Info for Iowa City

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 Iowa City

You may be interested in your other planting guides for Iowa City.