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Bransford, W.D. and Dolphia
Kalmia polifolia Wangenh.
Bog laurel, Pale laurel, Swamp laurel
USDA Symbol: KAPO
USDA Native Status: Native to U.S.
Bog Laurel or Swamp Laurel is a low, prostrate, broadleaf-evergreen mat, less than 3 ft. high. Trailing stems send up erect branches with glossy, leathery, dark blue-green foliage. Small, bell-like, pink flowers cluster together in groups of two to five. The fruit is a woody capsule.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf:
Dark Green Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White , Pink
Bloom Time: May , Jun
CT , MA , ME , MI , MN , MT , NH , NJ , NY , PA , RI , VT , WI Canada: AB
, SK Native Distribution:
Lab. to AK, s. to CT., n. prairie provinces, WA & w. U.S. mts. Native Habitat:
Cold bogs; cold, wet, mt. meadows USDA Native Status: L48(N), CAN(N),
Growing ConditionsWater Use: Medium
Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Wet
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: Medium
Soil Description: Wet, organic soils & peat.
Conditions Comments: Chlorosis is caused by iron deficiency on limy soils. Swamp laurel is shade and flood tolerant.
BenefitWarning: POISONOUS PARTS: All parts. Highly Toxic, Maybe Be Fatal if Eaten! Symptoms include: salivation, watering of eyes and nose, slow pulse, nausea, vomiting, sweating, abdominal pain, headache, tingling of skin, lack of coordination, convulsions, paralysis. Toxic Principle: Andromedotoxin, a resinoid; arbutin, a glycoside. (Poisonous Plants of N.C.)
Conspicuous Flowers: yes
PropagationDescription: Propagation is by seeds under a mist tent or by summer cuttings.
Seed Collection: Not Available
Seed Treatment: No pretreatment is necessary.
Commercially Avail: yes
Mr. Smarty Plants says
Alternatives to non-native heather (Calluna vulgaris)
April 27, 2007
I live in Vernon, BC, Canada. I plan to put a heather plant in my garden, but my space is limited. I know that it will grow approx. 2 ft. high and that it likes well drained and acidic soil, but how...
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Recommended Species Lists
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Record Modified: 2010-05-01
Research By: TWC Staff