Kalmia polifolia

Bog laurel

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Small evergreen shrub native to North American bogs with dense dark green foliage and pink-white bell-shaped flowers in early summer.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Bog laurel
Family Ericaceae
Genus Kalmia
Species Polifolia
Origin North America
Blooming Early Summer, occasionally flowers in late spring
Leaf Color Dark green, glossy
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Highly acidic peat-based mix with coarse sand; requires bog conditions and excellent drainage without drying out.

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Watering

Keep soil consistently moist to wet; high atmospheric humidity required. Reduce watering only during dormancy in winter.

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Sunlight & Care

Prefers cool roots; full sun in cooler climates, partial shade where heat is intense to prevent leaf scorch.

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Fertilization

Apply specialized acid-loving plant fertilizer sparingly once per year in early spring before new growth.

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Pruning

Light pruning immediately after flowering to maintain compact shape and remove dead wood.

Pest Control Aphid Kalmia Leafhopper Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
41° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
60% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 15000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
40% – 75%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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