Pennisetum thunbergii 'Red Buttons'

RHS Plant Profile

fountain grass 'Red Buttons'

Synonyms

Pennisetum alopecuroides 'Red Buttons'
Pennisetum massaicum 'Red Buttons'
Pennisetum 'Red Buttons'

Grass Like

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'Red Buttons' is a deciduous, perennial grass with bright green foliage turning yellow in autumn and light brown in winter. Dark red, bristly flowers are produced on fine stems from mid-summer to early autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 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
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Poaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Pennisetum can be annual or perennial, evergreen or deciduous grasses, clump-forming or spreading in habit, with linear leaves and narrow flowering panicles with conspicuous bristles
Name Status: Accepted

How to Grow

Cultivation

Grow in a light, moderately fertile, well-drained soil. May need winter protection in colder areas

Propagation

Propagate by seed sown in containers in a warm glasshouse in spring or by division in spring

Suggested planting locations and garden types

Cottage and informal garden
Banks and slopes
Flower borders and beds

Pruning

Remove dead foliage and old flowered stems in spring

Pests

Generally pest-free

Diseases

Generally disease-free