Minnesota Wildflowers


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Helianthus tuberosus (Jerusalem Artichoke)

Plant Info
Also known as:
Genus:Helianthus
Family:Asteraceae (Aster)
Life cycle:perennial
Origin:native
Status:
  • Noxious Weed
Habitat:part shade, sun; moist fields, thickets, edges of woods
Bloom season:August - October
Plant height:3 to 10 feet
USDA PLANTS database:Minnesota county distribution map
Spotted in Ramsey County at:

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Detailed Information

Flower: 7+petals

[photo of flower] Flower is up to 3½ inches across made up of 10 to 20 yellow petals and a yellow-orange center.

[photo of bract] The bracts on the underside of the flower are sharply pointed and usually hairy.

Leaves and stem: opposite simple

[photo of leaves] Leaves are up to 10 inches long and 5 inches wide; gradually taper to a point at the tip and abruptly narrow near the base. They have serated edges and are hairy underneath. Attachment is opposite but may be alternate near the top of the plant. The stem is covered with stiff hairs, giving it a rough feel. It can be a reddish color.

Where to buy native seed and plants

Help support this site by buying seeds & plants from these vendors. Tell them we sent you!

  • Shooting Star Native Seeds - Native Prairie Grass and Wildflower Seeds
  • Prairie Restorations - Bringing people together with the land
  • Shop for native seeds and plants at PrairieMoon.com!
  • Out Back Nursery and Landscaping - Where Ecology and Horticulture Unite

Map of native plant purveyors in the upper midwest

More photos

All photos taken at Long Lake Regional Park, New Brighton, MN, August-September, 2006.

Comments

Have you seen this plant in Minnesota, or have any other comments about it?

Posted by: zach in burnsville, blackdog park
on: 2010-09-12 17:07:04

growing behind my fence in a sliver of blackdog park

Posted by: Karl in Bemidji
on: 2011-08-05 19:55:11

I have a little patch of these growing on my farm. Each fall we dig out a few plants to put the tubers into stews. Very delicious!

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