Alkanet Anchusa officinalis

ABOUT
A. officinalis is typically biennial (occasionally perennial), producing many spikes of attractive blue flowers from mid-summer to first frost
Plant Info
Care
Common Problems
About this plant
Names
Family
Boraginaceae
Synonyms
alkanet oxtongue
Common names
Anchusa osmanica, Anchusa angustifolia
Toxicity
Bristles can cause skin irritation. Wear gloves and other protective equipment when handling
Characteristics
Foliage type
Semi-evergreen
Height
0.5-1 metres
Spread
0.5-1 metres
Hardiness zones
H6
Light
Full Sun
Pruning
Cut back old stems after flowering has finished
Soil
SoilChalk, Clay, Loam, Sand
Suitable locations
Hardiness zone
Flower borders and beds
Propogation
Propagate by seed in late winter or early spring at 13-16C (55-61F). Root basal cuttings in spring or root cuttings in winter
Pests
Generally trouble free
Diseases
Can be prone to powdery mildew
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