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Observations by Gary Fewless for Green Bay WI (Lat.N 44.51° Long. W 88.02° ), except as noted. For flowers lacking conspicuous petals or sepals I define "anthesis" as release of pollen by mature anthers.

November 2014

.Green Bay from UWGB shore Nov. 13, 2014
Nov 25
There is new snow (3.8 inches total on Nov. 24 and 25) in Green Bay, shown here at Baird Creek Park.
Nov 23
Warmer weather resulted in some shallow water on top of the ice on the East River, pictured here in Allouez.
Nov 22
  Green Bay's high temperature of 43° F is the first time above freezing since the 11th.
Nov 18
There were numerous "ice stars" on the East River today. They seem to arise in response to relatively small vertical movements of the ice sheet.
Nov 12

This is the first day for full ice-cover on Prairie Pond at UW-Green Bay's Cofrin Arboretum. Last year it reached this same stage 11 days later--and that was considered a very long, hard winter. The start of this one is ahead of schedule with temperatures running about 15-20° colder than is reflected in the long term (last 30 years) climate data.

One of the late survivors among local trees and shrubs is the alien invasive European buckthorn (Rhamnus cathartica) shown at left. Leaves usually remain green until the hard freeze arrives and in some years are still conspicuous until nearly Thanksgiving.
Similarly, the flowers of charlock (Sinapis arvensis) could still be found today (at left), but this will be the end for this year. Kale in our garden is still looking fine (and still tasty) and is among the very late survivors also, though no flowers are present in that species.
Nov 11

Flocks of Tundra Swans were seen flying over the Green Bay area. And Buffleheads were on the East River in Bellview, where we have not seen them since spring. Laona, 100 miles NNW, received 6.7 inches of snow today as a sizeable storm moved through the area.
Also there were still several active (though understandably slow) "wooly bear" caterpillars on local foot paths.

There is a little ice forming at the edges of Green Bay and ice is layering on emergent wetland plants in the shallow water, as with narrow-leaved cattail in the photo.
Nov 10

A total of about 0.8 inches of snow fell in Green Bay yesterday and today. This is the beginning of what is predicted to be a long, unseasonably cold period in northeastern Wisconsin. The temperature fell below freezing about 4 p.m. on Nov. 11 and will be below freezing for at least a week. "Normal" high temperatures at this date are about 45° F.

Nov 9

There were a few flakes of snow in Green Bay this morning, beginning about 9:30 a.m., but farther north there was a significant storm, with school closings fairly common.
Crandon 6.3 inches
Florence 10 inches
Argonne 10.5 inches

And the most alarming of all was Ishpeming, in upper Michigan, with 42.5 inches of snow, spread over 2 days.

Nov 6

Another glimpse into how plants overwinter in the temperate zone can be found in these winter buds of our common tree, eastern cottonwood (Populus deltoides). The twig at left was blown from the tree during one of our recent windy days. The greenish structures are the flower buds that were developed in the past summer and hardened to the weather in the fall. In spring they will open and expand to develop the flowering aments (catkins) that are so prominent. In this species, another type of smaller bud is produced that will develop next years leaves and the growth of new twigs in spring.

Laona, 100 miles NNW, had 3.6 inches of snow today.

Nov 4
Another example of herbaceous plants keeping green leaves deep into autumn or even until spring, is our native white avens (Geum canadense). The photo at left shows the basal leaves which remain green even under winter snow. In the spring and summer a central stalk 1.5 to 3 feet tall will emerge with new leaves, and eventually flowers and fruit.
Nov 3
The tree leaves are mostly fallen now, but there are still some herbaceous species with persisting green leaves and highly recognizeable fruits. At left is an example, St. John's-wort (Hypericum perforatum; an alien species).
Nov 2
  The second consecutive day with a morning low of 28° F will move us toward a winter landscape. Thin ice cover remains on puddles at noon.

Norway maple (Acer platanoides) leaves stay on the trees very late, and are just now falling.

These are the fruits of virgin's bower (Clematis virginiana), sometimes called devil's darning needles because of the long tails to the numerous small fruits.

© 2001-2004 The Cofrin Center for Biodiversity and the University of Wisconsin Green Bay, All Rights Reserved
Last updated on May 20, 2015