One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's possible to plant lavender cotton by reviewing the USDA zone info for Boulder City.

Planting Calendar for Lavender Cotton

Frost tolerance for lavender cotton:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since lavender cotton are very cold tolerant you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lavender cotton 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 lavender cotton and expect a good harvest is probably October. You probably don't want to wait any later than that or else your lavender cotton may not have a chance to really do well. Starting your lavender cotton indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Boulder City is just an average the actual date of last frost changes from year to year. Since half of the time in Boulder City you get a frost after February 15 be ready to protect your lavender cotton 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.