Poa glauca

RHS Plant Profile

glaucous meadow grass

Other common names

gweunwellt llwydlas

Synonyms

Poa caesia

Grass Like

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A rare native grass found only in a few mountainous areas, with narrow, blue-green, waxy leaves and stems to about 40cm tall. Open flower sprays, with green panicles often tinged with purple, appear in summer

Position

Full sun

Soil Types

Loam, Sand

Size

Time to Maturity: 2–5 years

Growing Conditions

Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Neutral

Position

Full sun

Aspect: East–facing or South–facing or West–facing
Exposure: Exposed or 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): H7
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Poaceae
Native to GB/Ireland: Yes
Foliage: Semi evergreen
Habit: Tufted
Genus: Poa can be annual or perennial grasses forming clumps of linear leaves and open flowering panicles in summer
Name Status: Correct
Plant Range: Europe to C Asia

How to Grow

Cultivation

A rare native, found only on rocky slopes in a few mountainous areas. Grow in well-drained soil in full sun

Propagation

Propagate by seed or by division

Suggested planting locations and garden types

Gravel garden
Rock garden
Wildlife gardens

Pruning

No pruning required, but can trim back in early spring to keep tidy

Pests

Generally pest-free

Diseases

Generally disease free