When to Plant Arabis in Whitehall, PA

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.

You can figure out when to plant arabis in Whitehall by looking at the USDA zone info.


Planting Calendar for Arabis

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

Arabis do well in cold which means that you can get them planted much earlier than more sensitive plants.

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

The earliest that you can plant arabis in Whitehall 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 arabis and expect a good harvest is probably September. If you wait any later than that and your arabis may not have a chance to really do well. You can get started a little bit earlier by starting your arabis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Whitehall. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Whitehall is not always accurate the actual date of last frost is different every year. Since half of the time in Whitehall you get surprised by a frost after April 15 be ready to cover your arabis if you have one of those late frosts.

USDA Zone Info for Whitehall

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 Low0°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 Whitehall

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