Rosin Weed Seeds (Silphium integrifolium) are Midwest native perennial wildflower seeds that help attract butterflies, bees, birds, and other pollinators to your garden. Also known as Cup Plant, this tall prairie wildflower produces bright yellow blooms and adds bold height and natural beauty to pollinator gardens, native landscapes, and Monarch habitats.
Perfect gardening gift under $5 for nature lovers, gardeners, teachers, moms, dads, and friends. 100% of proceeds from Rochester Pollinators seed packets support pollinator education and habitat creation.
***Can only be shipped to the following states: AL, AR, CT, DC, DE, FL, GA, IL, IN, KY, LA, MA, MD, MI, MO, MS, NC, NJ, NY, OH, PA, SC, TN, VA, WI, WV
•Approx. 40–60 seeds
•Perennial native wildflower
•Bright yellow summer blooms (July–September)
•Height: 4–7 feet tall
•Full sun
•Average to moist soils
•Cold stratification required (30–60 days)
•Drought tolerant once established
•Deer resistant (moderate)
•Easy to grow & low maintenance
•Great for prairie gardens, native plant landscaping & Monarch waystations
🌼 Attracts Monarch butterflies, Swallowtails, Goldfinches, honeybees, bumblebees, and many native pollinators.
🌱 Plant in fall or winter sow for best germination.
Non-GMO • Organic • Grown in the USA • Michigan native genotype seeds
Support pollinators while creating a beautiful butterfly and bee garden!