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What is the frost-free date for Chester county?

Posted by ajpa z6 (My Page) on
Fri, Jan 23, 09 at 14:14

Is there somewhere I can look this up?
I want to order bare-root bushes and have to tell the company when I want them to arrive...


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RE: What is the frost-free date for Chester county?

Here are some averages.

This is from naturalgardening.com - It doesn't exactly give Chester County info, but you can get a good estimate.

Last Frost / First frost
Pennsylvania Altoona May 6 October 4
Harrisburg April 9 October 30
Philadelphia May 15 October 15
Pittsburgh April 20 October 23
Scranton April 24 October 14
Williamsport May 3 October 13

growquest.com

Pennsylvania Altoona May 6 October 4
Harrisburg April 9 October 30
Philadelphia March 30 November 17
Pittsburgh April 20 October 23
Scranton April 24 October 14
Williamsport May 3 October 13

For Delaware County, I am going by 4/14 and 10/14. But, these are averages. You still need to be careful with frost tender plants. Cloches, cold frames, row covers, etc. can help protect from light frosts.


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RE: What is the frost-free date for Chester county?

  • Posted by ajpa z6 se PA (My Page) on
    Thu, Feb 5, 09 at 16:53

Thanks! That helps!
I thought the extension office would have a link or something on it with the dates (but nooo, as my 12yo would say).


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