Phaenosperma globosa

RHS Plant Profile
waterfall millet
Grass Like

A clump-forming evergreen grass, with arching, lance-shaped, broad green leaves to 50cm long, with silvery white undersides. Fine, loose sprays of pale tan coloured flowers, on spikes to 1.2m high, are produced in late summer, followed by round, bead-like seed pods

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Poaceae
Native to GB/Ireland
No
Foliage
Evergreen, Semi evergreen
Habit
Clump forming
Genus
Name Status
Correct

How to Grow

Cultivation

Grow in any well-drained soil; thrives in light shade but will tolerate full sun if soil is kept moist during dry spells

Propagation

Propagate by seed, thinly covered and kept cool after germination (10-18°C)

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free