Overview

Pennisetum orientale is a tufted grass like in the genus Pennisetum, part of the Poaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.5-1 metres wide, reaching full size in around 2-5 years. Pennisetum orientale grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H3. It is low maintenance. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, gravel garden, patio and container plants, cut flowers and flower borders and beds. It is native to North West Asia and North Africa.

About

Cenchrus orientale, previously Pennisetum orientale, commonly known as the oriental fountain grass, is a species of flowering plant in the grass family Poaceae, native to North West Asia and North Africa. Growing to 60 cm (24 in) tall and broad, this decorative perennial grass forms clumps with multiple tufted panicles up to 14 cm (5.5 in) in length. The panicles are pale pink, maturing to brown. The plant is not entirely hardy, disliking prolonged freezing temperatures. It grows to around 0.5-1 metres tall and 0.5-1 metres wide, carrying deciduous foliage. Grow it in full sun and most soil types. It tolerates soil of any pH, well-drained conditions and west-facing and south-facing aspects.

Wikipedia contributors, CC BY-SA 4.0Cenchrus orientalis

About the genus

Cenchrus is a widespread genus of plants in the grass family, native to tropical and warm temperate regions of the world. Its species are native to many countries in Asia, Africa, Australia, the Americas, and various oceanic islands.

Growing conditions

Best soil and position for Pennisetum

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
West-facing, South-facing
Exposure
Sheltered
UK hardiness
H3

Plant details

Pennisetum orientale size, habit and characteristics

Plant type
Grass Like
Habit
Tufted
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Patio and container plants, Cut flowers, Flower borders and beds
Native to
North West Asia, North Africa

Care notes

Pruning and caring for Pennisetum orientale

Cultivation
Prefers full sun and well-drained soil; tolerates a range of soil types and pH levels; dislikes prolonged freezing temperatures; suitable for sheltered locations.
Pruning
Cut back to ground level in late winter or early spring before new growth begins.
Propagation
Seed sown in containers in a warm glasshouse in spring, Division in spring or early summer
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

How do I grow Pennisetum orientale?

Prefers full sun and well-drained soil; tolerates a range of soil types and pH levels; dislikes prolonged freezing temperatures; suitable for sheltered locations.

Where is the best place to plant Pennisetum orientale?

Pennisetum orientale prefers full sun. It suits sheltered positions.

What soil does Pennisetum orientale need?

Pennisetum orientale is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.

How do I prune Pennisetum orientale?

Cut back to ground level in late winter or early spring before new growth begins.

How big does Pennisetum orientale grow?

Pennisetum orientale reaches a height of 0.5-1 metres and a spread of 0.5-1 metres. It takes around 2-5 years to reach full size.

Is Pennisetum orientale hardy in the UK?

Pennisetum orientale has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.

How do I propagate Pennisetum orientale?

Seed sown in containers in a warm glasshouse in spring, Division in spring or early summer.