Overview
Helianthus 'Merida Bicolor' is a bushy, clump forming annual biennial in the genus Helianthus, part of the Asteraceae family, with deciduous foliage. Helianthus 'Merida Bicolor' 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 'Merida Bicolor' is a bushy, clump-forming annual or biennial cultivar within the Helianthus genus, known for its upright growth and sizable daisy-like flower heads. This deciduous plant thrives in full sun, ideally in a south-facing, sheltered position with moist but well-drained loam soil that is neutral to alkaline in pH. Hardy to UK zone H5, it is suitable for wildlife gardens, cottage and informal gardens, flower borders, and as cut flowers. Propagation is typically by seed or division, with spring being the main season of interest.
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 'Merida Bicolor' 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 'Merida Bicolor'
- 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 'Merida Bicolor'?
Helianthus 'Merida Bicolor' prefers full sun. It suits sheltered positions.
What soil does Helianthus 'Merida Bicolor' need?
Helianthus 'Merida Bicolor' grows best in loam soil. It prefers neutral and alkaline soil. Aim for soil that stays moist but well-drained.
Is Helianthus 'Merida Bicolor' hardy in the UK?
Helianthus 'Merida Bicolor' 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 'Merida Bicolor'?
Seed, Division.
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