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Debating new plant hardiness zone maps…

September 18, 2012

(from the NY Times)

For gardeners sad to see the summer drawing to a close, there’s some comfort to be drawn from the fall planting season for perennials, trees and shrubs, which is just around the corner. What’s more, there’s the novelty of this year’s updated Plant Hardiness Zone Map, released early this year.

The previous version of the map was issued in 2003, but the agency fielded so much criticism over the ways in which it incorporated climate change into the equation — too little and too much — that the map was withdrawn, and professional and amateur planters were left with guidelines dating back to 1990.

The 2012 version shows that planting zones have been shifting northward as winters become more mild. But a researcher contends that this long-awaited map is already outdated.

Click to read full article at NY Times..

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One Comment leave one →
  1. September 19, 2012 10:08:14 am

    Climate change IS having a great deal of influence on our local conditions. One of our most predominate Eucalypt species in Tasmania is succumbing to our drier temperatures over the last 20 years and the other more adaptive species is thriving. It’s sad to see Eucalyptus Obliqua dying all over the state.

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