Convolvulus tricolor

RHS Plant Profile
dwarf morning glory

Save a plant

Where do you want to save Convolvulus tricolor?

Plants I own
Wishlist
Go to My Plants

Other common names

dwarf convolvulus, small convolvulus, bindweed

Synonyms

Convolvulus minor hort.

Plants for pollinators
Herbaceous Perennial Annual Biennial

A bushy, spreading annual or short-lived perennial with dark green, oval leaves. The funnel-shaped, royal blue flowers, up to 4cm across, are feathered white towards the base of the petals, with a yellow eye. Each only lasts a day, but they are borne in succession over a long period in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Convolvulaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
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
Mediterranean

How to Grow

Cultivation

Grow in gritty, well-drained soil in a sheltered, sunny site

Propagation

Propagate by seed, root softwood cuttings in late summer, or divide in spring

Suggested planting locations and garden types

  • Patio and container plants
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Wildlife gardens
  • Flower borders and beds

Pruning

Deadhead to prolong flowering

Pests

Generally pest-free

Diseases

honey fungus (rarely)