Symphytum officinale
TAXONOMY
FamilyBoraginaceae
GenusSymphytum
Zone4
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Plants of the World OnlineABOUT
Symphytum officinale, commonly known as comfrey, is a perennial herb in the Boraginaceae family. Native to Europe and temperate Asia, it is often found in damp, grassy places. Comfrey has a long history of medicinal use, particularly for its purported ability to heal wounds and broken bones. The plant has large, hairy leaves and bell-shaped flowers that can be purple, blue, or white.
ALSO KNOWN AS
Comfrey
Consolida Major
Symphytum album
Symphytum ambiguum
Symphytum besseri
Symphytum bohemicum
Symphytum commune
Symphytum consolida
Symphytum elatum
Symphytum majus
Symphytum microcalyx
Symphytum molle
Symphytum patens
Symphytum peregrinum
Symphytum ×rakosiense
Symphytum stenophyllum
OVERVIEW
VPDCalculate
WaterWet
SoilLoamy
LightMedium (6 Hours)
Temperature18° C
Humidity60%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Comfrey prefers moderate temperatures and should be watered regularly to keep the soil evenly moist. It thrives in medium light conditions and can tolerate partial shade. The plant does well in temperate climates and benefits from moderate humidity levels.Soil
Comfrey grows best in loamy soil that is well-draining but retains moisture. The soil should be rich in organic matter to support its nutrient needs. A slightly acidic to neutral pH is ideal for this plant.Fertilizer
A balanced fertilizer with a nutrient composition of 5-10-10 is suitable for comfrey. Fertilize the plant in the spring and again in mid-summer to support its growth and flowering.Repotting
Comfrey can be repotted if necessary, usually in the spring. Choose a larger pot with good drainage and fill it with a rich, loamy soil mix. Carefully transfer the plant to the new pot, ensuring the roots are not damaged.Propagation
Comfrey can be propagated through root cuttings or division. The best time to propagate is in the spring or fall. For root cuttings, take a section of the root and plant it in moist soil. For division, dig up the plant and separate the roots before replanting.Pruning
Pruning is beneficial for comfrey to encourage new growth and prevent the plant from becoming too leggy. Prune back the plant after flowering and remove any dead or damaged leaves throughout the growing season.Toxicity
Comfrey contains pyrrolizidine alkaloids, which are toxic to the liver if ingested in large quantities. It is toxic to both pets and humans if consumed. The leaves and roots are the most toxic parts of the plant.Additional
Comfrey is often used in permaculture as a dynamic accumulator, drawing nutrients from deep in the soil and making them available to other plants. It can also be used as a green manure or compost activator due to its high nutrient content.REVOLUTIONIZE YOUR PLANT CARE
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