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 reviewing the USDA zone info for Boulder City it's a good idea to estimate when it's possible to plant shasta daisys.

Planting Calendar for Shasta Daisys

Frost tolerance for shasta daisys:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Shasta Daisys are moderately cold tolerant which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant shasta daisys in Boulder City is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant shasta daisys and expect a good harvest is probably October. Any later than that and your shasta daisys may not have a chance to fully mature. You can get started a few weeks earlier by starting your shasta daisys indoors.

Last Frost Date

On average the last frost is on February 15 in Boulder City. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Boulder City may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Boulder City there is a last frost after February 15 be ready to protect your shasta daisys in the event of 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.