Rubia tinctorum

RHS Plant Profile
madder

Other common names

dyer's madder

Herbaceous Perennial

An evergreen perennial with long, dark green spreading stems and small, star-shaped yellow flowers appearing in July and August, followed by green berries which turn red then finally black. The roots are a source of red dye and the plant is still cultivated in parts of Europe for use as a medicinal dye

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

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 North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rubiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Spreading branched
Genus
A genus of around 80 perennial scrambling or climbing herbs and subshrubs native to Africa, Europe and Asia with green foliage and small, yellow flowers. The plant roots were originally used for producing red dye known as 'madder'
Name Status
Correct
Plant Range
SE Europ to C Asia

How to Grow

Cultivation

Grow in fertile, well-drained sandy soil in full sun, although will tolerate partial shade. Produces many side shoots which can travel just under the surface of the soil before sending up new shoots so has the potential to become a nuisance

Propagation

Propagate by seed (may be slow to germinate) or by division at any time during the growing season

Suggested planting locations and garden types

  • Coastal
  • Cottage and informal garden
  • Wildflower meadow
  • Wildlife gardens

Pruning

Cut back in autumn

Pests

Generally pest-free

Diseases

Generally disease-free