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Silphium integrifolium

Silphium integrifolium
(cup plant, rosinweed)

Category: Herbaceous Plants

Photo Credits: Sally and Andy Wasowski, Lady Bird Johnson Wildflower Center

Height: 48 – 72 inches


Spread:  36 inches


Location: Bottom, Sides, Top of Berm


Native Status: NE


Comments & Cautions:
tolerates drought once established; naturalizes by reseeding; resinous, gummy sap


Recommended For:

  • Bioretention and Rain Gardens

This plant prefers that the level of moisture in your soil be: Medium

This plant prefers Sand or Loam soil.

The plant DOES NOT have a salt tolerance.


Bloom and Interest Season:

Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec

Plant Form

upright

Foliage

medium green; leaves vary in size, bold texture

Flowers

yellow rays and disks resemble small sunflowers; in clusters; July-September

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