The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant aubretia is to check out the USDA zone info for Sheridan.

Planting Calendar for Aubretia

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

Since aubretia do well in cold you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aubretia in Sheridan is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant aubretia and expect a good harvest is probably September. If you wait any later than that and your aubretia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your aubretia indoors.

Last Frost Date

The average date of last frost is March 15 in Sheridan. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Sheridan is just an average the actual date of last frost will vary from year to year. Half of the time in Sheridan there is a last frost after March 15 so make sure that you are ready to protect your aubretia in the event of a surprise late frost.

USDA Zone Info for Sheridan

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sheridan

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