Thalictrum minus 'Adiantifolium'

RHS Plant Profile
lesser meadow rue 'Adiantifolium

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lesser meadow rue 'Adiantifolium RHS
lesser meadow rue 'Adiantifolium RHS

Synonyms

Thalictrum adiantifolium

Herbaceous Perennial
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Produces finely divided bluish-green leaves composed of leaflets; small, nodding, then upward-facing yellow flowers are carried in open or dense sprays in early summer

Position

Partial shade

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Contact with foliage may irritate the skin. Wear gloves and other protective equipment when handling
Genus
Thalictrum can be rhizomatous or tuberous perennials with ternately or pinnately divided, often attractive foliage, and panicles or racemes of small flowers with showy stamens and sometimes large colourful petal-like sepals
Name Status
Accepted

How to Grow

Cultivation

Grow in moist, humus-rich soil in partial shade; ideal for a moist meadow garden or a wild border

Propagation

Propagate by seed in pots in a cold frame as soon as seed is ripe or in early spring - seed raised flowers may be variable. Propagate by division in spring as new growth begins

Suggested planting locations and garden types

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

Pruning

Cut down stems once flowering is over

Pests

Slugs may be a problem

Diseases

Susceptible to powdery mildews in dry conditions