Aesculus x carnea

Red Horse Chestnut

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Deciduous ornamental tree featuring vibrant red conical flower spikes in spring. Grows up to 15m, requires a cold winter period and full sun exposure for best flowering.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Red Horse Chestnut
Family Sapindaceae
Genus Aesculus
Species × Carnea
Origin Southern Europe
Blooming Conical clusters of red flowers in late spring
Leaf Color Dark green, turning yellow/orange in autumn
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Deep, fertile, well-drained loamy soil; tolerates clay but dislikes waterlogging

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Watering

Regular watering during establishment and dry spells; tolerant of drought once established

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Sunlight & Care

Full sun to partial shade for optimal flowering and growth

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Fertilization

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

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Pruning

Minimal pruning required; remove dead wood or crossing branches in late summer or winter

Pest Control Aphid Caterpillar 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
eco Leaf Persistence 8 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
5° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
5000 – 50000
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
water
Soil Moisture
10% – 65%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Aesculus x carnea? Select a symptom to diagnose and fix the issue.

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