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nafex - Re: [nafex] Colorado Test Autumn in November

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  • From: "Jolyn" <>
  • To: "mailing list at ibiblio - Northamerican Allied Fruit Experimenters" <>
  • Subject: Re: [nafex] Colorado Test Autumn in November
  • Date: Mon, 4 May 2015 21:25:58 -0600

My locale in South Central Montana had nearly the exact temperature drop over 48 hours in the first days of November. My fruit tree losses & damage seem to be nearly the same as you report. Swenson Red & Petite Jewel were on the ground because I changed the trellis so they are fine but many other grapes are coming from the ground. October 2013 had a radical drop in temperature as well so many hardy varieties were already stressed. Pine trees and juniper shrubs are damaged in many landscapes. Hopefully survivors will make good growth this year.
Jolyn in MT

-----Original Message----- From: Pete Tallman
Sent: Monday, May 04, 2015 8:45 PM
To: nafex
Subject: [nafex] Colorado Test Autumn in November

For several years I have been claiming that 'Niwot' black raspberry is hardy for Longmont, Colorado (front range), zone 5. November 2014 has proven to be its downfall. Niwot canes did not survive the transition from 64 degrees in early November to minus 4 a few days later before the canes had a chance to go completely dormant. (Newspaper said minus 13, but my thermometer only got down to minus 4.) No growth is evident in the over-wintered Niwot canes, so there will be no floricane berries this year. (Jewel black raspberry is similarly impacted.) New Niwot primocanes are now emerging to (fingers crossed) give a good primocane crop in August. A lot of my apple trees were severely damaged or lost, although a few apple varieties seem to be attempting a full crop, like Yellow Transparent, McIntosh, and Almata. Losses are way beyond anything I've experienced here before. Cherry trees are mostly gone. (I have one cherry with a few blossoms on it, but several other trees are completely gone.) Blueberries are severely impacted. Reka and Elliott blueberries look mostly OK for blossoms, but others look pretty bad as far as blossoms go, although most of the blueberries are attempting to start new growth on vegetative buds. There is not likely to be blueberry pies this year. Swenson Red grape doesn't look like it made it, but Petite Jewel and Somerset grapes look OK.

Pete Tallman
Longmont, CO
Colorado front range
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