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PLNA e-News: Plants, Pests & Diseases

Revised American Standard for Nursery Stock (ANSI Z60.1) now available

Thursday, February 5, 2015   (0 Comments)
Posted by: Cathy Corrigan
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If you buy nursery stock it is important to provide your supplier with specifications that are consistent with the American Standard for Nursery Stock or you may not get what you expect.  If you grow or distribute nursery stock, it is important for your to market and sell your plants in accordance with the Standard.

The purpose of the American Standard for Nursery Stock is to provide buyers and sellers of nursery stock with a common terminology in order to facilitate transactions involving nursery stock. For instance, the standards establish common techniques for (a) measuring plants, (b) specifying and stating the size of plants, (c) determining the proper relationship between height and caliper, or height and width, and (d) determining whether a root ball or container is large enough for a particular size plant.

Since 1921 the National Association (now AmericanHort) has been involved in the creation of the standards.  The revisions included in the 2014 edition were developed by the association’s Horticultural Standards Committee from January, 2005, through August, 2013.   The revisions were reviewed by horticultural associations, government agencies and individuals to develop consensus the meet requirements for accredited national standards. The results of the ballots unanimously approving the revisions were provided to ANSI and approved on April 14, 2014.

Click here for a synopsis of the Top 5 Revisions for 2014.

The 2014 American Standard for Nursery Stock (ANSI Z60.1) is available for free from AmericanHort and may be downloaded at

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