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3 B Natives Plant Nursery
Silphium integrifolium - Rosin Weed
Silphium integrifolium - Rosin Weed
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Rosin Weed is a robust and quick-maturing perennial reminiscent of sunflowers. Proudly standing tall and strong, it requires no support to maintain its upright posture. While somewhat aggressive, this resilient plant boasts extreme drought tolerance, thanks to its long taproot. Bees flock to enjoy its blooms, adding more pollinators to your garden, while Rosin Weed itself emits a distinctive sticky rosin to deter pests. Silphium integrifolium is a low-maintenance and visually striking choice for your landscape.
*Each seed packet includes approximately 75 seeds!
*Each cell in the 50 cell tray option is 5” deep x 2.25” wide.
STRATIFICATION DETAILS: 60 Day Cold Moist Stratification
Growing Details
FUN FACTS: Pollinator Favorite, Deer Resistant
SUN: Full
SOIL: Wet Mesic-Dry
BLOOM TIME: July-Sep
COLOR: Yellow
HEIGHT: 5’
SPACING: 18”-2’
LIFE CYCLE: Perennial
USDA ZONES: 4-8
Looking to purchase 10+ trays of a single species? Contact us for wholesale pricing!
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![Silphium integrifolium - Rosin Weed Flower with Bee](http://3bnatives.com/cdn/shop/files/rs-w_1200_h_1200_27.jpg?v=1708360723&width=1445)
![Silphium integrifolium - Rosin Weed Germinated Seedlings](http://3bnatives.com/cdn/shop/files/RosinWeed.png?v=1711393070&width=1445)
![Silphium integrifolium - Rosin Weed Range Map](http://3bnatives.com/cdn/shop/files/Silphiumintegrifolium-RosinWeed.png?v=1711393070&width=1445)
![Caring for Native Plants Tips](http://3bnatives.com/cdn/shop/files/PastelGreenSimpleIllustratedCuteCaringForPlantsInfographic_c08aac64-a083-44a2-b505-4bb4e9789868.png?v=1711393070&width=1445)
![Seed Stratification Info QR Code](http://3bnatives.com/cdn/shop/files/SeedStratificationInfo_bc02a9b7-dda3-49dd-beb7-a036fe892494.png?v=1711393070&width=1445)