Phenology

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.

July 2004

Observations by Gary Fewless, except as noted

Date	Observation (Click on links for photos)
July 31	Bio Blitz for Baird Creek Park today. A group of scientists, students and other interested community members recorded in excess of 750 species of plants and animals in the park within a 24 hour period. Check back for a link to the plant species (350) noted.
July 30	Eupatorium perfoliatum (boneset) in flower, Baird Creek Park, City of Green Bay.
July 28	Andropogon gerardii (big bluestem grass) has begun to flower (anthesis) on UWGB's Keith White Prairie.
July 25	Impatiens biflora (jewelweed) has begun to flower, Duck Creek area, Brown County (Kathy Groves). Today's low temperature of 45 °F is a new record low for this date in Green Bay.
July 22	New in flower, UWGB: Silphium terebinthinaceum (prairie dock), Helianthus decapetalus (forest sunflower).
July 19	The earliest plants of Solidago gigantea (late goldenrod) are beginning to flower, UWGB. The common name refers to its tendency to flower long into the Fall.
July 16	Veronicastrum virginicum (Culver's-root) beginning to flower, UWGB (Kathy Groves).
July 15	Clematis virginiana (virgin's-bower) is beginning to flower, UWGB (Kathy Groves).
July 14	Epilobium angustifolium (Fireweed) is in flower widely in northeastern Wisconsin.
July 13	New in flower, UWGB: Ceanothus americanus (New Jersey tea), Ratibida pinnata (yellow coneflower), Rosa setigera (climbing prairie rose), Pycnanthemum virginianum (mountain mint)--all planted individuals in UWGB's Keith White Prairie.
July 11	Urtica dioica (stinging nettles), Echinacea pallida (pale purple coneflower--planted in prairie), Cirsium vulgare (bull thistle), Daucus carota (wild carrot) starting to flower, UWGB.
July 10	Monarda fistulosa (wild bergamot) in flower, UWGB
July 09	Mimulus ringens (monkey flower) in flower, UWGB. First black raspberries are ripe, UWGB.
July 08	Asclepias tuberosa (butterfly weed) in flower, UWGB (planted prairie).
July 07	Asclepias incarnata (swamp milkweed), UWGB. Today's high temperature of 62 F ties the record for the coolest high temperature for this date.
July 06	Verbena hastata, (blue vervain), UWGB.
July 04	Lilium michiganense (Michigan lily) in flower, Brown and Shawano Counties.
July 03	Asclepias syriaca (common milkweed) and Alisma triviale (northern water plantain) in flower, UWGB.
July 02	Tilia cordata (little-leaf linden, cultivated) in flower, UWGB.
July 01	Apocynum sibiricum (clasping dogbane), Rudbeckia hirta (black-eyed susan), Euphorbia corollata (flowering spurge), Circaea lutetiana (broad-leaf enchanter's-nightshade) have begun to flower, UWGB. Cedar Waxwings are eating the fruits of serviceberry (Amelanchier arborea), in the Lenfesty Courtyard of MAC Hall, UWGB (Vicki Medland)