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Herbaceous Perennial

Helianthus 'Loddon Gold'
  • RHS AGM

sunflower 'Loddon Gold'

'Loddon Gold' is an herbaceous perennial making a clump to 1.5m in height, with rough, ovate leaves to 20cm in length and fully-double, deep yellow flower-heads 10-12cm in width

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Yellow Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Helianthus can be tall, erect annuals, tuberous or rhizomatous perennials, with coarse simple leaves and large daisy-like flower-heads

Name status

Accepted

How to grow

Cultivation

Grow in a moderately fertile, humus-rich, moist but well-drained, neutral to alkaline soil in full sun. Needs a long hot summer to flower well. May need support

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types
  • Wildlife gardens
  • Cottage and informal garden
  • Prairie planting
  • Cut flowers
  • Flower borders and beds
Pruning

Cut back after flowering

Pests

Can get slugs and snails

Diseases

May be affected by powdery mildews and sclerotinia diseases

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