Euphrasia tetraquetra

RHS Plant Profile
western eyebright

Other common names

effros y gorllewin

A low-growing, hemi-parasitic annual growing between 12 and 18cm. It has toothed, glossy green leaves arranged oppositely along the stem. It produces small whiteish-lilac flowers from June to September

Position

Full sun

Soil Types

Chalk, Loam, Sand

Size

Time to Maturity
1 year

Growing Conditions

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

Position

Full sun
Aspect
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
Orobanchaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Bushy
Genus
Name Status
Correct
Plant Range
W Europe

How to Grow

Cultivation

Flourishes in sunny coastal areas, resilient against wind and salt spray, with the right host plants like grasses or legumes, it can establish well. See Creating wildflower meadows for further advice

Propagation

Propagation by seed sown in situ in late summer or autumn, allowing them to establish connections with suitable host plants

Suggested planting locations and garden types

  • Coastal
  • Wildflower meadow
  • Wildlife gardens

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free