When to Plant Rudbeckia in Whitehall, PA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when you can plant rudbeckia in Whitehall by using the USDA zone info.


Planting Calendar for Rudbeckia

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

Since rudbeckia are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant rudbeckia 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 rudbeckia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rudbeckia may not have a chance to fully mature. Starting your rudbeckia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Whitehall. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Whitehall is just an average the actual date of last frost will vary from year to year. Half of the time in Whitehall last frost occurs after April 15 so make sure that you are ready to cover your rudbeckia if you have a surprise late frost.

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.