Chaenostoma cordatum 'Snowflake'

RHS Plant Profile

bacopa 'Snowflake'

RHS

Other common names

water hyssop 'Snowflake'

Synonyms

Sutera cordata 'Snowflake'
Sutera 'Snowflake'
Bacopa 'Snowflake'

Bedding

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'Snowflake' is a trailing perennial with small, toothed, ovate leaves and racemes of white flowers over a long period in summer and autumn. (Shown here with Sutera Scopia Great Classic Pink 'Dancop46')

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but 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): H2

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Scrophulariaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Trailing
Genus: Chaenostoma is a small genus of annuals, evergreen perennials and small evergreen shrubs or subshrubs, native to South Africa. Often used for bedding, containers, hanging baskets or in greenhouses, leaf shape can be elliptic, toothed, lobed or scalloped with leaf colour varying between pale and dark green. Flowers appear from summer to autumn and are white, pale mauve or blue.
Name Status: Accepted

How to Grow

Cultivation

Best grown in fertile, moist but well-drained soil in sun or partial shade. Can be used as a trailing plant in baskets and containers

Propagation

Propagate by layering

Suggested planting locations and garden types

Patio and container plants
Flower borders and beds
Garden edging

Pruning

No pruning required

Pests

May be susceptible to aphids

Diseases

Generally disease-free