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Herbaceous PerennialBogs

Gratiola officinalis

gratiole

A rhizomatous perennial to 40cm tall forming clumps of upright stems bearing linear to lance-shaped leaves with toothed margins and small, white summer flowers

Other common names
hedge hyssop
hyssop
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Poorly–drained, Moist but well–drained
pH
Alkaline, Neutral, Acid
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Plantaginaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus

A genus of rhizomatous perennial, marginal pond plants with narrow green leaves and small, delicate white to pale pink flowers

Name status

Correct

How to grow

Cultivation

Grow in moisture-retentive soil in full sun or partial shade; suited to boggy conditions and for pond margins

Propagation

Propagate by seed or by division

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
Pruning

Cut back after leaves have died down in autumn

Pests

Generally pest-free

Diseases

Generally disease-free

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