Ranunculus flammula subsp. minimus

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Synonyms

Ranunculus flammula minor

Plants for pollinators
Aquatic Bogs
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A compact, marginal aquatic perennial up to 30cm in height, with upright, green spear-shaped leaves tinged with purple when young, and bearing bright yellow, cup-shaped flowers, 1.5cm across in summer through to autumn.

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–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
Yes
Foliage
Deciduous
Habit
Clump forming
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
Unresolved
Plant Range
British Isles

How to Grow

Cultivation

Grow in still or slow moving water with 0-5cm water over the crown. See pond plants and bog gardens for further advice

Propagation

Propagate by seed sown as soon as ripe, or by division in spring or late summer

Suggested planting locations and garden types

  • Wildlife gardens

Pruning

Cut back after flowering

Pests

May be susceptible to aphids, slugs and snails damage

Diseases

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