Crataegus viridis

Greenhaw Hawthorn

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Native North American Greenhaw Hawthorn, a thorny deciduous tree or shrub. Features white flowers in late spring followed by red berries. Hardy and drought-tolerant.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Greenhaw Hawthorn
Family Rosaceae
Genus Crataegus
Species Viridis
Origin North America (Texas/Oklahoma)
Blooming White flowers in late spring, red fruit follows
Leaf Color Green (yellow/red autumn)
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained loam, tolerates clay and alkaline soils. Avoid waterlogging.

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Watering

Drought tolerant once established. Water regularly during first year or drought conditions.

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Sunlight & Care

Requires full sun for optimal flowering and fruiting; tolerates partial shade in heat.

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Fertilization

Apply balanced fertilizer in early spring. Avoid over-fertilizing to prevent excessive thorn growth.

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Pruning

Prune after flowering in late summer. Remove dead wood and thin canopy for air circulation.

Pest Control Aphid Leaf Miner Sawfly 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
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
14° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
30% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2500 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
15 – 200
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% volumetric
Water content in the growing medium
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Soil EC
400 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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