Overview

Alkanna tinctoria is a plant with a herbaceous perennial habit in the genus Alkanna, part of the Boraginaceae family, with deciduous foliage. Alkanna tinctoria grows best in full sun, and tolerates loam and sand soils and neutral and alkaline pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal gardens, wildlife gardens, city and courtyard gardens and flower borders and beds.

About

Alkanna tinctoria, the dyer's alkanet or simply alkanet, is a herbaceous flowering plant in the borage family Boraginaceae. Its roots are used to produce a red dye.

Wikipedia contributors, CC BY-SA 4.0Alkanna tinctoria

About the genus

Alkanna is a genus of herbaceous plants in the family Boraginaceae. It includes 66 species native to southern and east-central Europe, western Asia, and North Africa.

Wikipedia contributors, "Alkanna", CC BY-SA 4.0Alkanna

Growing conditions

Best soil and position for Alkanna

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Neutral, Alkaline
Soil moisture
Well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H4

Plant details

Alkanna tinctoria size, habit and characteristics

Habit
Herbaceous perennial
Foliage
Deciduous
Suggested uses
Cottage and informal gardens, Wildlife gardens, City and courtyard gardens, Flower borders and beds

Care notes

Pruning and caring for Alkanna tinctoria

Propagation
Seed, Root cuttings
Pest resistance
Aphids, Leaf and bud eelworms, Leaf-mining flies
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Alkanna tinctoria?

Alkanna tinctoria prefers full sun. It suits exposed and sheltered positions.

What soil does Alkanna tinctoria need?

Alkanna tinctoria grows best in loam and sand soil. It prefers neutral and alkaline soil. Aim for soil that stays well-drained.

Is Alkanna tinctoria hardy in the UK?

Alkanna tinctoria has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Alkanna tinctoria?

Seed, Root cuttings.