One of the best tools that you have as gardeners to help us estimate 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 Scottsdale you can figure out when it's possible to plant lavender cotton by referring to the USDA zone info.

Planting Calendar for Lavender Cotton

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

Lavender Cotton do well in a bit of cold which means that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant lavender cotton in Scottsdale 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 couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Scottsdale is just an average the actual date of last frost changes from year to year. Since half of the time in Scottsdale there is a last frost after February 15 be ready to cover your lavender cotton if you have one of those late frosts.

USDA Zone Info for Scottsdale

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 Scottsdale

You may be interested in your other planting guides for Scottsdale.