Overview

Panicum obtusum is a tufted grass like in the genus Panicum, part of the Poaceae family, with deciduous foliage. Panicum obtusum grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include city and courtyard gardens, cottage and informal garden, gravel garden, patio and container plants, prairie planting, wildlife gardens, cut flowers and flower borders and beds.

About

Panicum obtusum, commonly known as mosquito grass, is a tufted deciduous grass belonging to the genus Panicum. This grass thrives in full sun and well-drained soils such as chalk, loam, or sand, tolerating a range of soil pH from acid to alkaline. It is hardy to UK zone H5 and suits various garden settings including city courtyards, cottage gardens, gravel gardens, and prairie plantings. Panicum obtusum produces large, intricately branched panicles filled with small spikelets during late summer and autumn, providing seasonal interest from spring through autumn.

Growing conditions

Best soil and position for Panicum

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Panicum obtusum size, habit and characteristics

Plant type
Grass Like
Habit
Tufted
Foliage
Deciduous
Suggested uses
City and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants, Prairie planting, Wildlife gardens, Cut flowers, Flower borders and beds

Care notes

Pruning and caring for Panicum obtusum

Propagation
Division in spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Panicum obtusum?

Panicum obtusum prefers full sun. It suits exposed and sheltered positions.

What soil does Panicum obtusum need?

Panicum obtusum 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.

Is Panicum obtusum hardy in the UK?

Panicum obtusum has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Panicum obtusum?

Division in spring.

More in the Panicum genus

Browse all Panicum