Pycnanthemum tenuifolium (Narrow-Leaved Mountain Mint) [30 Seeds]


Germination Information: I recommend these seeds for experienced seed-sowers only, because they are VERY tiny and require some patience. Sow in pots indoors or outdoors (do not cover the seeds; just press them into the surface) and keep them moist in a warm, bright place. Germination may be slow and irregular, with seedlings appearing over a period of weeks. They remain very small for another month or two, but once you transplant them to pots (either individually or in groups of 3 or 4), they will eventually put on a nice amount of growth in summer and are ready to move to their final position in fall.


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Narrow-leaved mountain mint (Pycnanthemum tenuifolium), also known as slender or narrowleaf mountain mint, grows in dense clumps to about 2 feet tall, with an abundance of intensely mint-scented, medium green, almost needle-like foliage. Showy clusters of small white flowers appear at the stem tips through most of the summer, much to the delight of bees, butterflies, and other pollinators. Because it tends to stay in distinct clumps, this species is a great choice if you want to add a mountain mint to a small bed or border. Plant a few extra for cut flowers, too: It’s like a mint-scented baby’s breath (Gypsophila)!

Narrow-leaved mountain mint is native to eastern North America. I collected these seeds from plants that grow wild in my meadow. Full sun. Perennial; Zones 4 to 8.

Collected in 2019 for the 2020 growing season. Provenance Milford Township, Bucks County, PA. At least 30 seeds.


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