One of the first steps you take when you are figuring out 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.

You will be able to estimate when it's possible to plant aubrieta by looking at the USDA zone info for Oxford.

Planting Calendar for Aubrieta

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

Since aubrieta do well in moderate cold you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant aubrieta in Oxford 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 aubrieta and expect a good harvest is probably September. If you wait any later than that and your aubrieta may not have a chance to fully mature. You can get started a few weeks earlier by starting your aubrieta indoors.

Last Frost Date

The average date of last frost is April 15 in Oxford. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Oxford is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Oxford you get a frost after April 15 be ready to protect your aubrieta if you have one of those late frosts.

USDA Zone Info for Oxford

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Oxford

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