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seaside goldenrod

Seaside goldenrod
(Solidago sempervirens)

Perennial goldenrod tolerant of standing water, drought, and saline soils.



Overview

Regulated areas of seaside goldenrod
This species is Prohibited (Red counties) and Restricted (Orange counties).

Other names for this plant include:

  • Common names: salt marsh goldenrod, evergreen goldenrod

Ecological threat:

  • Invades wetlands, prairies, dunes, marshes, lakeshores, roadside ditches.
  • Tolerant of extreme conditions (standing water, drought, high saline) and a variety of soils.
  • Sold as an ornamental for wildflower gardens.
  • Prolific seed producer.
  • This plant has numerous varieties and cultivars

Classification in Wisconsin: Prohibited/Restricted (Restricted in Restricted in Kenosha, Milwaukee, Racine counties. counties; Prohibited elsewhere)

Species Assessment Groups (SAG) were assembled to recommend a legal classification for each species considered for NR 40. The recommendation for seaside goldenrod was based upon this literature review developed by the department.

Identification

Leaves & stems: Perennial plant base is woody. Plants have narrow basal leaves. Leabes on stem are alternate and sessile (attaching without leaf stalks). Stalks are thick and fleshy with wings.

Flowers: Deep yellow- golden colored composite flowers have disk and ray florets. Inflorescence is pyramidal in shape. Flowering occurs from top to bottom.

Fruits & seeds: Prolific seed producer.

Roots: Thick, fleshy, spaghetti-like roots.

Similar species: Numerous goldenrods (Solidago spp.) are native to Wisconsin. Visit the Robert W. Freckmann Herbarium webpage for more information.

Distribution

Seaside goldenrod
Counties in WI where seaside goldenrod has been reported (as of October 2013). Both vouchered and unvouchered reports included.

Do you have seaside goldenrod in your county but it isn't shaded on the map? Send us a report.

Control

Use an herbicide that contains picloram to treat. Spray each individual goldenrod plant with the herbicide. Wet each plant thoroughly until the goldenrod is saturated, but not to the point where the herbicide drips. Allow one growing season to pass before mowing the area. Do not disturb the plants or try to remove them during this time

Photos

View seaside goldenrod pictures in our photo gallery!

Resources

Sources for content:

  • Stephen H. Brown & Kim Cooprider, University of Florida - Extension. 2010. Fort Myers, Florida

Links for More Information

Last revised: Monday June 03 2019