One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Boulder City you can determine when it's possible to plant gloriosa daisy by using the USDA zone info.

Planting Calendar for Gloriosa Daisy

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

Gloriosa Daisy are moderately cold tolerant which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant gloriosa daisy 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 gloriosa daisy and expect a good harvest is probably October. Any later than that and your gloriosa daisy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your gloriosa daisy indoors.

Last Frost Date

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

Since the USDA zone info for Boulder City is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Boulder City you get a frost after February 15 be ready to cover your gloriosa daisy if you have a 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.