John's Cabbage (Hydrophyllum canadense)

Common names:
Give a thumbs up John's Cabbage
Give a thumbs up Bluntleaf Waterleaf
Give a thumbs up Broad-Leaved Waterleaf

General Plant Information (Edit)
Plant Habit: Herb/Forb
Sun Requirements: Partial or Dappled Shade
Partial Shade to Full Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 7b
Plant Height: 1 to 2.5 feet
Plant Spread: groundcover
Leaves: Deciduous
Flowers: Other: nice small white flowers
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Underground structures: Rhizome
Uses: Groundcover
Propagation: Seeds: Sow in situ
Propagation: Other methods: Division
Pollinators: Various insects
Miscellaneous: Monoecious

photo credit: R. A. Nonenmacher

Photo gallery:

Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jun 11, 2019 4:42 PM

This woodland perennial makes a lovely groundcover with its handsome foliage. It is native to southern Ontario & Quebec to Vermont & Massachusetts down to northern Georgia & Alabama to Missouri & Iowa to Wisconsin. It likes moist soil with a good amount of humus. I usually call this the Broad-leaved Waterleaf and some call it the Blunt-leaved or Canada Waterleaf. I would recommend this as a good substitute for a Hosta to someone in the naturalistic, native plant movement. It is sold by some native plant nurseries.

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Discussion Threads about this plant
Thread Title Last Reply Replies
recalcitrant and semi-recalcitrant* seeds by Leftwood Jan 11, 2019 8:04 AM 12
2017 Garden Chat and Photos by RickM Dec 31, 2017 1:15 PM 511

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