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Helianthus 'Loddon Gold' AGM

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© RHS 2001

Characteristics

Plant type

Herbaceous Perennial

Habit

Columnar/Upright

Toxicity

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Yellow in Autumn and Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

sunflower 'Loddon Gold'

Family

Asteraceae


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

'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

Other common names

  • sunflower 'Lodon Gold'

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, East-facing or West-facing
  • Sheltered

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

Soil

  • Moist but well-drained
  • Alkaline or Neutral
  • Clay, Loam or Chalk

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds, Cut Flowers, Wildlife Gardens or Prairie Planting


How to care

Pruning

Cut back after flowering

Pests

Can get slugs and snails

Diseases

May be affected by powdery mildews and sclerotinia diseases