Alcea Lemon

Lemon Hollyhock

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Tall biennial herb with vibrant yellow cup-shaped flowers on spikes, ideal for cottage gardens and sunny borders.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
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Plant Details

Common Name Lemon Hollyhock
Family Malvaceae
Genus Alcea
Species Rosea
Variety Lemon
Origin Europe / Asia
Blooming Summer to late summer, July-September
Leaf Color Grey-green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Rich, well-drained loamy soil with neutral to slightly alkaline pH.

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Watering

Water regularly during establishment; drought tolerant once mature but avoids waterlogging.

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Sunlight & Care

Requires full sun exposure for optimal flowering and stem strength.

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Fertilization

Apply balanced fertilizer in spring before blooming; avoid excess nitrogen to prevent lodging.

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Pruning

Deadhead spent flowers to extend bloom cycle; cut back stems after flowering.

Pest Control Aphid Japanese Beetle Leaf Miner 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 4 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° – 95°
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 – 30000
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
20% – 60%
% volumetric
Water content in the growing medium
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Soil EC
400 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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