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Silphium integrifolium (Rosin Weed)

170 (250)cm, Rosin Weed is a tall and showy herbaceous perennial with large, smoothly haired, entire leaves on a purplish stem with terminal lose racemes of bright sulfur yellow flowers. It is native of rocky and dry open woods in central USA. Easily grown in a rich, well drained soil in a preferably sunny spot. VII-IX.
20 seeds per package.

Silphium integrifolium (Rosin Weed)
price (plus Shipping Costs)
seed package 0021 € 3,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

seed package

Price
2+ € 3,79
6+ € 3,59
21+ € 3,39
51+ € 3,19

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