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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.

June 2012 Mouse-over the photo for the identity of the subject
sedge:Carex tuckermannii

June 30 June 2012 was unusually warm and dry. Green Bay had 8 days of 90° F or above. The average monthly temperature was 5.8° F above "normal" and precipitation was 2.17 inches below normal.
June 26 Hog peanut (Amphicarpaea bracteata) in flower, ForestCounty.
June 23 Bull Frogs calling, Oconto County, Town of Pensaukee (Tom Erdman).
June 22
Purple bergamot (Monarda fistulosa) has begun to flower on the UW-Green Bay campus. Monarda flower head
June 21
This is the first day I've seen fully open flowers of hedge bindweed (Calystegia sepium; this is sometimes called wild morning glory ). Usually they begin a little earlier than that. flower
June 20
Perhaps the rain on the 18th is the cause for several new species in flower: swamp milkweed (Asclepias incarnata), butterfly-weed (Asclepias tuberosa) and daylilies (Hemerocallis fulva).
plant flowers
June 19
The water level has been restored in PrairiePond by yesterdays rain. prairie Pond
June 18 Green Bay received 1.14 inches of rain, with most of the rain in a thunderstorm between 6:00 and 7:00 a.m.
June 16

Green Bay received 0.05 inches of rain today, the first measurable rain of the month, but not enough to help the vegetation. Unwatered lawns are mostly brown.

Ripe fruit of red baneberry (Actaea rubra) are now present on UW-Green Bay's Cofrin Arboretum. White sweet clover (Melilotus alba) is now in flower.

Basswood (Tilia americana) is now beginning to flower.

June 15

Green Bay's high temperature of 93° F is a new record for this date.

Although it has sprinkled a few drops, there has been no measurable rainfall in Green Bay this month and the drought is taking a toll on the plants. In fact there has been a total of 0.59 inches of rain since May 6 (40 days). To date, this is the driest June on record for Green Bay.

The 2 photos below show how the water level has fallen on PrairiePond on UW-Green Bay's Cofrin Arboretum from May 5 to June 15. The photo below is a close-up showing how much of the pond bottom has been exposed by the falling water level by June 15.
Prairie Pond prairie Pond
June 14 False sunflower (Heliopsis helianthoides) has begun to flower.
June 13 Common milkweed (Asclepias syriaca) has begun to flower. milkweed
June 12 Yellow avens (Geum aleppicum) has begun to flower.
June 11 Staghorn sumac (Rhus typhina) has begun to flower.
June 10 Northern bush honeysuckle (Diervilla lonicera) is in flower, Forest County.
June 9
I missed the start by a couple of days, but swamp loosestrife (Lysimachia thyrsiflora) is in flower (Forest County). This is a native species with yellow flowers, not the alien invasive purple loosestrife (Lythrum salicaria) that has been so troublesome in our wetlands. swamp loosestrife
June 7 White avens (Geum canadense) is in flower.
June 6 Curly dock (Rumex crispus) is in flower (anthesis).
June 5 Smooth brome (Bromus inermis) has begun to flower (anthesis), City of Green Bay. This is a very common and abundant alien grass in our area, sometimes forming nearly pure stands on old fields, roadsides and other sunny sites.
June 3 Beach pea (Lathyrus japonicus) in flower along Lake Michigan shore, Manitowoc County (Josh Martinez).
June 2 Giant Solomon's-seal (Polygonatum biflorum) is in flower.
June 1

Narrow-leaved cattail (Typha angustifolia) has begun to flower (anthesis). The cattails produce an enormous amount of pollen, but the season is very short in any given area.

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Last updated on May 20, 2015