Vinca difformis subsp. sardoa

RHS Plant Profile

Sardinian intermediate periwinkle

Synonyms

Vinca sardoa
Vinca herbacea sardoa

Shrubs

Buy this from Plant Nurseries
9 Suppliers

an evergreen, spreading perennial to 40cm tall with glossy, dark- green leaves with paler veins. Milky, pale blue flowers 5-7cm across are borne on erect stems in late winter and early spring

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1-1.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Poorly–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full shade Full sun Partial shade

Aspect: North–facing or West–facing or East–facing or South–facing
Exposure: Exposed or 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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Apocynaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Matforming
Genus: Vinca can be evergreen subshrubs or herbaceous perennials, with simple, paired leaves and solitary, 5-lobed, salver-shaped flowers in the leaf axils
Name Status: Correct

How to Grow

Cultivation

Easy to grow in all but the driest soils. Flowers best in full sun but very useful for shady areas. Can be invasive

Propagation

Propagate by division in spring or autumn and by semi-hardwood cuttings in summer

Suggested planting locations and garden types

Rock garden
Ground cover

Pruning

Pruning group 6

Pests

May be susceptible to aphids

Diseases

May be susceptible to a rust