The USDA Zone info is a great tool for gardeners to help us figure out 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.

It's possible to estimate when to plant guara by using the USDA zone info for Boulder City.

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 it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant guara in Boulder City 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 guara and expect a good harvest is probably September. Any later than that and your guara may not have a chance to grow to maturity. Starting your guara indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Boulder City the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Boulder City and it is different every year. Since half of the time in Boulder City you get surprised by a frost after February 15 be ready to cover your guara if you have a surprise late frost.

USDA Zone Info for Boulder City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Boulder City

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