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Pycnanthemum tenuifolium

 
Pycnanthemum tenuifolium
slender mountain mint
Young plant, just starting to bloom
Pycnanthemum tenuifolium
Very light in the speckling department

Common name slender mountain mint
Family lamiaceae
Life cycle perennial (Z4-10)
Flowers white clusters (summer)
Size 2-3'
Light sun-part shade
Cultural notes drought-resistant
From seed probably needs cold stage to germinate
detailed seed-starting info below
Seed ripensmid-October

Mountain mints are characterized by very aromatic foliage (coming from me, that's saying a lot), with an undefinable, not really minty scent. Flowers have white centers with purple-speckled outer petals, in tight clusters - you have to get up very close to discern the color patterns. Somehow, we wound up with two types of plant that I considered to be P. tenuifolium, to the best of my recollection grown from the same batch of seed. The first kind I now consider to be the true species has fresh-green, thread-like narrow leaves, purplish when they first emerge. The other kind is now described at the portrait for P. virginianum, even though I am not sure of its real identity.

slender mountain mint
Mid-November: fading foliage and dense seedheads, full of tiny black seeds

In our garden, this plant grows in the following areas: big pond, bogside border

About my plant portraits
PlantLinks to other web pages about Pycnanthemum tenuifolium


Some particularly helpful links to other websites


Seed-starting details for this plant

  1. Seed from '02 trade. 1) Baggy 70F/35F/70F (6%G). 2) Pot outside early January, good germination by spring
  2. Seed from '06 garden. Baggy 35F (10w; 10%G in 10th wk) - 70F (40%G, 3-7d)
  3. Seed from '07 garden. Baggy 35F (10w) -70F (35%G, 3-15d)
  4. Seed from '06 garden. Baggy 35F (10w; some germination in week 10) - 70F (48%G, 2-8d)
  5. Seed from '06 garden. Baggy 35F (10w) - 70F (4w; no G)


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Last modified: March 31, 2011
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