Overview
Helianthus 'Inca Gold' is a bushy, clump forming annual biennial in the genus Helianthus, part of the Asteraceae family, with deciduous foliage. Helianthus 'Inca Gold' grows best in full sun, and tolerates loam soils and neutral and alkaline pH. Its UK hardiness is rated H5. Suggested uses include wildlife gardens, cottage and informal garden, flower borders and beds and cut flowers.
About
Helianthus 'Inca Gold' is a bushy, clump-forming annual or biennial cultivar within the Helianthus genus, known for its upright growth and broad, simple leaves. This deciduous plant thrives in full sun on south-facing, sheltered sites with moist but well-drained loam soil of neutral to alkaline pH. Hardy to UK zone H5, it is suitable for wildlife gardens, cottage and informal gardens, flower borders and beds, and cut flowers. Propagation is by seed or division, with spring being the season of interest for this cultivar.
Growing conditions
Best soil and position for Helianthus
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral, Alkaline
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Helianthus 'Inca Gold' size, habit and characteristics
- Plant type
- Annual Biennial
- Habit
- Bushy, Clump forming
- Foliage
- Deciduous
- Suggested uses
- Wildlife gardens, Cottage and informal garden, Flower borders and beds, Cut flowers
Care notes
Pruning and caring for Helianthus 'Inca Gold'
- Propagation
- Seed, Division
- Pest resistance
- Susceptible to slugs and snails
- Disease resistance
- Susceptible to powdery mildews and sclerotinia diseases
Frequently asked questions
Where is the best place to plant Helianthus 'Inca Gold'?
Helianthus 'Inca Gold' prefers full sun. It suits sheltered positions.
What soil does Helianthus 'Inca Gold' need?
Helianthus 'Inca Gold' grows best in loam soil. It prefers neutral and alkaline soil. Aim for soil that stays moist but well-drained.
Is Helianthus 'Inca Gold' hardy in the UK?
Helianthus 'Inca Gold' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Helianthus 'Inca Gold'?
Seed, Division.
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