Rhamnus frangula

Alder Buckthorn

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Deciduous shrub with glossy dark green leaves and black berries, native to Europe and Asia. Hardy outdoor plant suitable for hedges or wildlife gardens.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Alder Buckthorn
Family Rhamnaceae
Genus Rhamnus
Species Frangula
Origin Europe / Asia
Blooming Small greenish-white flowers in late spring, followed by black berries.
Leaf Color Dark glossy green turning yellow before abscission.
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil, tolerates various pH levels.

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Watering

Moderate watering during growing season, drought tolerant once established.

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Sunlight & Care

Prefers full sun to partial shade, very adaptable.

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth.

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Pruning

Prune after flowering or in late winter to maintain shape and remove dead wood.

Pest Control Aphid Leaf Miner Scale Insect

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
agriculture Harvesting Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 9 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
5° – 90°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
30% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 18000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
5 – 25
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
20% – 60%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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