Rosa palustris (Swamp Rose) [15 Seeds]


Germination Information: I recommend these only for gardeners who have experience with challenging seeds that may require patience and experimentation, as there is conflicting information about their preferred germination conditions. One approach is to sow the seeds (about 1/4 inch deep) in a pot in fall to midwinter and set it outdoors in a spot protected from mice, so they can germinate when conditions are right in spring. If no seedlings appear the first spring, leave the pot outdoors and look for seedlings the second spring. (I started my seeds with the winter-sowing method: I sowed them in a milk jug on December 25 and they began germinating freely on April 1. Your experience may vary.)

If you sow much after December, consider giving the pot an artificial chilling period of about 3 months.

Some references say that the seeds first need a warm-moist period of 2 to 3 months before a chilling period of the same length. So, if you want to speed up the process, you may want to divide the packet and try both approaches.

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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Native to eastern North America, swamp rose (Rosa palustris) isn’t a species you see often in gardens, but it’s worth considering if you have the right spot for it. The multi-stemmed plants typically reach 5 to 8 feet tall and wide with arching, prickly canes and deep green leaves. Fragrant, single pink flowers bloom mainly in late spring to early summer, often with some scattered additional blooms in midsummer, followed by small fruits that turn bright red in fall. These seeds are from plants I grew from seed collected from wild plants growing in a roadside swamp less than a mile from here, in Bucks County, PA. Full sun; moist to wet soil. It may spread by rhizomes. Zones 4 to 9.

Collected in mid November 2023. At least 15 seeds. PA ecotype. Shipping to US addresses only.

Please read the germination information as well before ordering.

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