When to Plant Aubrieta in New Castle, PA

One of the first steps you take when you are determining 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.

The USDA zone info for New Castle can be read to estimate when it's a good idea to plant aubrieta.


Planting Calendar for Aubrieta

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

Since aubrieta are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant aubrieta
Possibly ok, but a risky time to plant aubrieta
Probably not a good time to plant aubrieta

The earliest that you can plant aubrieta in New Castle 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. Starting your aubrieta indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in New Castle. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for New Castle may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in New Castle you get a frost after April 15 be ready to cover your aubrieta in the event of a surprise late frost.

USDA Zone Info for New Castle

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 New Castle

You may be interested in your other planting guides for New Castle.