Phuopsis stylosa

RHS Plant Profile
Caucasian crosswort
Caucasian crosswort RHS 2002

Other common names

large-styled crosswort

Synonyms

Crucianella stylosa

Plants for pollinators
Alpine Rockery Herbaceous Perennial

A deciduous perennial about 15cm tall, forming a wide mat of leafy stems to 20cm in height, with aromatic, pointed, narrow, pale green leaves to 25cm long, and rounded heads of tiny tubular rose-pink flowers to 2cm long, over a long period in summer

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

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

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rubiaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Matforming
Genus
Phuopsis is a mat-forming perennial with whorls of narrow, aromatic leaves and terminal clusters of small, narrowly funnel-shaped pink flowers
Name Status
Correct
Plant Range
Caucasus, N. Iran

How to Grow

Cultivation

Grow in moderately fertile, gritty, moist but well-drained soil in full sun or partial shade. Suitable for use as ground cover on a bank, in the rock garden, or at the front of a border.

Propagation

Propagate by seed or stem tip cuttings

Suggested planting locations and garden types

  • Rock garden
  • Gravel garden
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens
  • Ground cover
  • Garden edging
  • Banks and slopes

Pruning

Cut back after flowering to maintain compact habit

Pests

Generally pest-free

Diseases

Generally disease-free