Campanula rapunculus

Rampion bellflower

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A biennial herbaceous plant known for bell-shaped blue flowers and edible sweet roots, historically associated with the Rapunzel fairy tale.
yard Kitchen garden plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Rampion bellflower
Family Campanulaceae
Genus Campanula
Species Rapunculus
Origin Europe / Asia Minor
Blooming Late spring to early summer, occasionally autumn
Leaf Color Grey-green basal leaves, blue-purple foliage during growth
Sunlight Half-shade / Sun
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Well-drained fertile loamy soil enriched with organic compost

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Watering

Regular watering during establishment and dry spells, avoid waterlogging roots

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Sunlight & Care

Full sun to partial shade; protect from scorching midday heat in hot climates

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Fertilization

Balanced fertilizer at planting, minimal feeding required for foliage or root development

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Pruning

Deadhead spent flowers to encourage further growth or allow seed heads for propagation

Pest Control Aphid Leaf Miner Slug Snail

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 3 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 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 60%
% 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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