Ranunculus gramineus

RHS Plant Profile
grass-leaved buttercup

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Other common names

grass-leaved crowfoot

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Herbaceous Perennial
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An herbaceous perennial to 30cm, forming a clump of linear grey-green basal leaves. Up to 3 bright light yellow, cup-shaped flowers 2cm wide are borne on branched stems from mid spring to early 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
1–2 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
West–facing or South–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
Bushy
Potentially harmful
Harmful if eatenskin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eatenskin irritant - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Ranunculus can be annuals, biennials, evergreen or herbaceous perennials, with rhizomes, tubers or spreading by runners. The leaves are variable but often palmately lobed or dissected and the flowers usually bowl-shaped
Name Status
Correct
Plant Range
S Europe N Africa

How to Grow

Cultivation

Easily grown in a fertile, moist but well drained soil in sun or partial shade

Propagation

Propagate by seed in containers as soon as ripe and placed in a cold frame, or divide mature plants in the spring or autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Coastal
  • Cottage and informal garden
  • Rock garden
  • Flower borders and beds
  • Garden edging

Pruning

No pruning required

Pests

susceptible to slugs, snails and aphids

Diseases

May be susceptible to powdery mildews, a rust and grey moulds