General Plant Information (Edit)
Plant Habit: Shrub
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Wet
Wet Mesic
Mesic
Soil pH Preferences: Very strongly acid (4.5 – 5.0)
Strongly acid (5.1 – 5.5)
Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 7b
Plant Height: 1 to 3 feet (30-90cm)
Plant Spread: 1 to 3 feet (30-90cm)
Leaves: Evergreen
Broadleaf
Flowers: Showy
Flower Color: White
Flower Time: Spring
Underground structures: Rhizome
Suitable Locations: Bog gardening
Uses: Provides winter interest
Groundcover
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger
Miscellaneous: Monoecious
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Image
Common names
  • Leatherleaf
  • Cassandra
  • Leather Leaf

Photo Gallery
Location: Utrecht Botanical Garden
Date: 2023-03-25
Location: Utrecht Botanical Garden
Date: 2023-03-25

Date: c. 1800-05
illustration [as Andromeda calyculata] by P. J. Redouté from Duh
Location: Orono Bog
Date: October 2018
Location: southeast Pennsylvania
Date: 2013-04-14
close-up of flowers in April on my potted plant on deck
Location: Philadelphia Flower Show in Philadelphia, PA
Date: 2011-03-12
potted specimen in bog display
Location: Chatham, New Jersey
Date: 2013-08-10
part of a group along creek
Location: My garden in N E Pa. 
Date: 2015-04-19
Location: Thomas Darling Preserve near Blakeslee, PA
Date: 2016-05-20
flowers in May
Uploaded by robertduval14
Location: My garden in N E Pa. 
Date: 2016-03-31
Location: My garden in N E Pa. 
Date: 2014-08-05
Location: Botanical Garden Meise
Date: 2016-02-01
Location: Thomas Darling Preserve near Blakeslee, PA
Date: 2016-05-20
mass of plants before really greening up
Location: along Oswego River in south New Jersey near Chatham
Date: 2013-08-10
shrub in sandy beach near river
Location: southeast Pennsylvania
Date: 2013-04-14
my plant in bloom in a big pot on deck
Location: Thomas Darling Preserve near Blakeslee, PA
Date: 2019-07-01
colony in standing water
Location: Thomas Darling Preserve near Blakeslee, PA
Date: 2019-07-01
great mass with other plants in bog
Location: Thomas Darling Preserve near Blakeslee, PA
Date: 2019-07-01
leaves and dry fruit capsules
Location: My garden in N E Pa. 
Date: 2014-04-23
Location: Jenkins Arboretum in Berwyn, Pennsylvania
Date: 2019-04-21
plants in bloom at pond behind fence
Location: Thomas Darling Preserve near Blakeslee, PA
Date: 2016-09-13
a mass of leatherleaf in a bog
Comments:
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Nov 20, 2017 9:24 PM concerning plant:
    Native broadleaf evergreen to eastern Canada, New England, New York, New Jersey, northern Pennsylvania, northeast Ohio, Michigan, northern Indiana, northeast Illinois, Wisconsin, and eastern Minnesota; and over in northern Eurasia. It grows in bogs, swamps, and wet shores in draining wet, acid soil. It is a sensitive plant and can die out in landscapes and it is supposed to be short-lived. I bought one from a native nursery near Phoenixville, PA in a 1 gallon pot. I kept it in a big pot for two years where I made the potting soil more acid with iron sulfate. I left the pot out in winter in a sheltered place, but it still died. I should have sunk the pot into the ground and covered with some mulch.

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