The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's possible to plant aubretia is to look at the USDA zone info for Centralia.

Planting Calendar for Aubretia

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

You can plant aubretia much earlier in the year because they do well in cold.

The earliest that you can plant aubretia in Centralia 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 really do well. Starting your aubretia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Centralia. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Centralia is just an average the actual date of last frost will vary from year to year. Half of the time in Centralia you get surprised by a frost after April 15 so be sure to be ready to protect your aubretia if you have one of those late frosts.

USDA Zone Info for Centralia

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 Centralia

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