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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 2006

June 23 A few plants of Cichorium intybus (Chickory) are flowering along streets in the City of Green Bay. Plants in fields have not yet begun to flower.
June 22 Tradescantia ohioensis (Spiderwort) and Penstemon digitalis (beard tongue) are conspicuously in flower in UWGB's planted prairie.
June 21

Typha angustifolia (narrow-leaved cattail) is in flower (anthesis--dispersing pollen) in UWGB's Cofrin Arboretum. I saw Typha latifolia (broad-leaved cattail) in flower along the Oconto River on June 16.

June 20 The common weedy grasses Elytrigia repens (= Agropyron repens: quackgrass) and Phleum pratense (timothy) are now in flower in the Green Bay area. A few plants right along the curb flowered a few days earlier.
June 19 Geum canadense (white avens) has begun to flower, UW-Green Bay.
June 18

Melilotus alba (white sweet clover) beginning to flower in fields in the Green Bay area. A few plants were in flower along curbs, etc., beginning nearly a week ago.

Catalpa speciosa (northern catalpa) is in flower in the City of Green Bay now. This species is not native in northern Wisconsin, but seems to thrive in city plantings and the flowers are very conspicuous.

June 17 Calystegia sepium (hedge bindweed) in flower, UWGB and widely in the City of Green Bay area..
June 16 The first few flowers of Heliopsis helianthoides (ox-eye) are open on UWGB's prairie.
June 15 Hypericum perforatum (St. John's-wort) and Heracleum lanatum (cow parsnip) in flower, UWGB.
June 14 Cornus racemosa (gray dogwood), Sambucus canadensis (black elderberry) now in flower in Brown County.
June 09 Hieracium aurantiacum (orange hawkweed) and Medicago sativa (Alfalfa) beginning to flower in Brown County.
June 08 Pearl crescent (butterfly: Phyciodes tharos) flying on UWGB's Cofrin Arboretum; also "fresh" black swallowtail (Papilio polyxenes). We seem to be having good numbers of returning Monarchs (Danaus plexippus) this year.
June 06 Tradescantia ohioensis (Spiderwort) in flower, UWGB in planted prairie.
June 03

While I was out of town for three days the following plants began to flower on the UWGB campus and Cofrin Arboretum: Achillea millefolium (Yarrow), Vicia cracca (cow vetch), Lotus corniculatus (bird's-foot trefoil).

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Last updated on May 20, 2015