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Ranunculus flammula 'Golden Tower'
  • RHS Plants for pollinators

lesser spearwort 'Golden Tower'

A marginal, aquatic perennial to around 90cm with upright, green spear-shaped leaves, tinged with red, 1-2.5 cm long and bearing bright yellow, cup-shaped flowers, 2cm across in early summer.

Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Sand
Moisture
Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Ranunculaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, skin 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

How to grow

Cultivation

Grow in still or slow moving water 15-22cm deep. See pond plants and bog gardens for further advice

Propagation

Propagate division in spring or late summer. Please see perennials: division

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

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