One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In West Chester you can estimate when it's the best time to plant aubretia by checking out the USDA zone info.

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 very cold tolerant 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 West Chester 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 fully mature. You can get started a little bit earlier by starting your aubretia indoors.

Last Frost Date

The average date of last frost is April 15 in West Chester. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for West Chester is not always accurate the actual date of last frost will vary from year to year. Half of the time in West Chester there is a last frost after April 15 so make sure that you are ready to protect your aubretia in the event of a surprise late frost.

USDA Zone Info for West Chester

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in West Chester

You may be interested in your other planting guides for West Chester.