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

One way of estimating when it's possible to plant guara is to use the USDA zone info for Lewiston.

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 tells us that it is necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant guara in Lewiston 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. Starting your guara indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Lewiston the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Lewiston and it can change quite a bit from year to year. Since half of the time in Lewiston you get surprised by a frost after April 15 be ready to cover your guara in the event of a late frost.

USDA Zone Info for Lewiston

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 Lewiston

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