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Weed Identification in Christmas Trees

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Canada goldenrod - Solidago canadensis L. var. scabra Torr. & Gary
Home > Canada goldenrod
Life cycle: Clump-forming, rhizomatous perennial.

Leaves: Leaves initially develop from a basal rosette. Leaves are alternate, lance-shaped, tapering at both ends, stalkless, usually with toothed margins. Leaves are numerous and crowded along the stem, with soft hairs below and smooth above.

Stems: Erect, up to 7 feet tall with little to no branching. Dense hairs present.

Flowers and fruit: Golden-yellow flowers are found in dense, pyramid-shaped, paniclelike clusters. The seed is enclosed in a single-seeded, wind-
disseminated fruit.

Reproduction: Seeds and extensive creeping rhizomes.
Goldenrod plant
Canada goldenrod clump.
Goldenrod rosette
Canada goldenrod rosette.
Goldenrod flower Goldenrod leaf
Canada goldenrod flowers. Canada goldenrod leaf.

The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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02/07/08