Fritillaria acmopetala

Narrow-petal Fritillary

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Rare alpine bulbous perennial from China. Features nodding, bell-shaped flowers with narrow petals. Requires distinct cold dormancy and well-drained soil to thrive.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Narrow-petal Fritillary
Family Liliaceae
Genus Fritillaria
Species Acmopetala
Origin China
Blooming Late spring to early summer, dependent on dormancy completion.
Leaf Color Grey-green or blue-grey foliage
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining sandy loam rich in organic matter. Bulb rot is a risk if waterlogged.

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Watering

Water regularly during spring growth. Allow soil to dry completely after foliage dies back (summer dormancy).

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Sunlight & Care

Full sun to partial shade. Needs cool roots and bright light for active growth.

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Fertilization

Apply balanced bulb fertilizer in early spring when shoots emerge. Stop fertilizing once leaves yellow.

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Pruning

Cut back dead foliage after it turns yellow/brown to encourage energy storage for next year.

Pest Control Aphid Bulb Mite Slug

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 5 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
32° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% 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
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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