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Convolvulus sabatius

blue rock bindweed

A trailing, woody-based perennial forming a mat to 20cm in height, with small, oval leaves and widely funnel-shaped, purplish-blue flowers 2cm in width

Synonyms
Convolvulus sabatius subsp. mauritanicus
Convolvulus mauritanicus

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Purple Green
Autumn Blue Purple Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H3
Botanical details
Family
Convolvulaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Trailing
Genus

Convolvulus can be annuals, perennials or shrubs, erect or scrambling, with simple or palmately divided leaves and solitary or clustered, open funnel-shaped flowers

Name status

Correct

Plant range
Italy, N Africa

How to grow

Cultivation

Best grown in a gritty, well-drained soil in a sheltered, sunny position; alternatively grow in a container or raised bed

Propagation

Propagate by seed or softwood cuttings

Suggested planting locations and garden types
  • City and courtyard gardens
  • Patio and container plants
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Trim as required

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus (rarely)

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