Tsuga canadensis

Eastern Hemlock

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Large evergreen conifer native to NE North America, featuring drooping branchlets and flat needles with distinct white stomatal bands on the underside.
yard Outdoor plants wb_sunny Shade / Half-shade pets Not pet-safe
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Plant Details

Common Name Eastern Hemlock
Family Pinaceae
Genus Tsuga
Species Canadensis
Origin Eastern North America
Blooming Produces small cones, not true flowers; spring.
Leaf Color Dark green above, silvery-white below
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Acidic, well-drained soil rich in organic matter; requires consistent moisture without waterlogging.

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Watering

Keep soil consistently moist; highly intolerant of drought. Requires high ambient humidity.

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Sunlight & Care

Prefers partial shade to full sun in cooler climates; avoid harsh afternoon heat and high indoor temperatures.

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth begins; avoid over-fertilizing.

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Pruning

Minimal pruning needed; remove dead or diseased branches in late winter/early spring to maintain shape.

Pest Control Hemlock Woolly Adelgid 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
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Growing Parameters

thermostat
Temperature
23° – 79°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
45% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 20000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 75%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Tsuga canadensis? Select a symptom to diagnose and fix the issue.

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