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 Wharton can be looked at to figure out when to plant aubretia.

Planting Calendar for Aubretia

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

Since aubretia are one of those plants that can tolerate quite a bit of cold weather you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant aubretia in Wharton 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 aubretia and expect a good harvest is probably October. Any later than that and your aubretia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your aubretia indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Wharton. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Wharton may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Wharton you get surprised by a frost after February 15 so just be sure to be ready to cover your aubretia in the event of a surprise late frost.

USDA Zone Info for Wharton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Wharton

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