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.

The USDA zone info for Boulder City can be looked at to figure out when it's possible to plant artichokes.

Planting Calendar for Artichokes

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

You can plant artichokes just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant artichokes 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 artichokes and expect a good harvest is probably October. You probably don't want to wait any later than that or else your artichokes may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your artichokes indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Boulder City. You can expect an average low temperature of 25°F in 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 Boulder City and it changes from year to year. Since half of the time in Boulder City it frosts late in the year after February 15 be ready to cover your artichokes 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.