Tiarella Raspberry Sundae ('Gosund') (Fox Series)

RHS Plant Profile

foam flower [Raspberry Sundae]

Synonyms

Tiarella 'Gosund'
Tiarella 'Raspberry Sundae' (Fox Series)

Herbaceous Perennial

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A compact, mound-forming, semi-evergreen perennial bearing rosettes of broadly heart shaped leaves with long elegant fingers of deeply cut green foliage with darker veinings. Dense, upright racemes of deep reddish-pink buds opening to fluffy, white or pale pink flowers from late spring into summer

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam

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 Clay Loam

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

Position

Full shade Partial shade

Aspect: North–facing or East–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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Saxifragaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Clump forming
Genus: Tiarella are rhizomatous herbaceous perennials forming a clump of rounded, more or less palmately lobed leaves, with very small, star-shaped flowers in terminal panicles or racemes on erect stems
Name Status: Trade

How to Grow

Cultivation

Prefers cool, moist but not wet, humus-rich soil in partial or full shade. Tolerates a wide range of soil conditions. Do not allow to dry out but protect from excessive winter wet

Propagation

Propagate by division

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance
Flower borders and beds
Garden edging
Ground cover
Underplanting of roses and shrubs

Pruning

Remove any faded leaves or flower spikes as required.

Pests

Generally pest-free but may be susceptible to slugs and vine weevils

Diseases

Generally disease-free