Citronella horsebalm (Collinsonia canadensis)

Common names:
Give a thumbs up Citronella horsebalm
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Give a thumbs up Citronella
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Give a thumbs up Canadian Horse Balm

General Plant Information (Edit)
Plant Habit: Herb/Forb
Sun Requirements: Partial or Dappled Shade
Partial Shade to Full Shade
Water Preferences: Wet
Wet Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Plant Height: male plants are 1.5 to 2 feet tall; female plants grow to 4 feet
Flowers: Showy
Flower Color: White
Flower Time: Summer
Underground structures: Taproot
Uses: Groundcover
Medicinal Herb
Will Naturalize
Propagation: Other methods: Cuttings: Root
Pollinators: Various insects
Miscellaneous: Dioecious

Darrel Hess /

Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Feb 25, 2018 8:32 PM

I've seen Canadian Horse-Balm in several moist woodland spots in southeast Pennsylvania. It is a very nice-looking perennial. This member of the Mint Family has flowers with a lemon scent as do the crushed leaves. The leaves can be brewed for a tea. The rhizome roots have been used to treat urinary and kidney ailments and as other homeopathic medicine. Its native range is from southwest Quebec & New England through southeast Ontario into Wisconsin down into Louisiana over into Florida.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Shrub/Tree growing in NYBG by bxncbx Nov 4, 2019 2:58 PM 2
Cold stratification media? by outofthegreen Jul 26, 2016 8:25 AM 3

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