blue comfrey

Also known as: Russian comfrey

Upright, spreading perennial about 2m tall, with bristly, elliptic to lance-shaped, mid-green foliage. From early summer stems bear pinkish-blue buds opening to blue-purple flowers

Scientific classification

Species: blue comfrey (Symphytum × uplandicum)
Genus: Symphytum
Family: Boraginaceae

Harmful if eaten repeatedly. Wear gloves and other protective equipment when handling
Toxicity: Herbaceous Perennial
Plant type: 1.5-2.5 metres
Height: 1-1.5 metres
Spread: Deciduous
Foliage: Clump forming
Habit: Spring · Summer · Autumn
Season of interest: Full sun · Partial shade
Sunlight: Information to be completed
Ideal temperature

blue comfrey pictures

Distribution of blue comfrey

Distribution map

Information to be completed

Culture

Information to be completed

Toxicity

Harmful if eaten repeatedly. Wear gloves and other protective equipment when handling

Quick identification of blue comfrey

Information to be completed

blue comfrey care guide

Moderate regular watering, avoid prolonged drought or waterlogging
Watering: Full sun · Partial shade
Sunlight: Information to be completed
Ideal temperature

Watering

Moderate regular watering, avoid prolonged drought or waterlogging

Fertilizing

Balanced feed in spring and light repeat in growth season

Pruning

Generally not required but old or fading foliage can be trimmed

Propagation

Propagate by division in spring. Take root cuttings in early winter

Growing

Grow in moderately fertile, moist soil in sun or partial shade. Be aware the plant growth can be vigorous once established and has the potential to become a nuisance, so will require appropriate management. Can be grown for use as a plant fertiliser

More growing and care information →