Silphium integrifolium (Rosinweed) [12 Seeds]

$4.25

Germination Information: I recommend these seeds only for gardeners who have experience with seeds that require a chilling period. The easiest approach is to surface-sow (do not cover) the seeds in a pot in fall to through midwinter, setting them outdoors in a spot protected from mice so they can get a natural chilling period and then germinate when conditions are right in spring.

If you sow after February, give the pot an artificial period of about 2 months.

Note that this information will not appear on the seed packet you receive.

Please read the description as well before ordering.

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Description

The bright yellow, daisy-form flowers of silphiums are terrific for summer color; for drawing bees, butterflies, and other pollinators to your garden; and providing an abundant source of seeds for wild birds. They tend to be big plants, though, taking up a lot of valuable garden space. Rosinweed (Silphium integrifolium) could be a good choice if you’d like to enjoy the benefits of the genus on somewhat more refined-looking plants that typically top out at 5 to 7 feet. This species looks great in the middle to back of a border. Keep in mind that, like other silphiums, it can readily self-sow from seeds the birds miss, so you may prefer to grow this Central U.S. native in a meadow-type setting instead. Full sun. Perennial; Zones 3 to 9.

Collected in September 2022. At least 12 seeds. Ecotype unknown.

Please read the germination information as well before ordering.

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