Overview
Helianthus microcephalus hort. is a bushy, clump forming annual biennial in the genus Helianthus, part of the Asteraceae family, with deciduous foliage. Helianthus microcephalus hort. 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 microcephalus hort. is a bushy, clump-forming annual or biennial cultivar within the Helianthus genus, known for upright plants with broad, simple leaves and 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 of neutral to alkaline pH. Hardy to UK zone H5, it is suited to wildlife gardens, cottage and informal gardens, flower borders, and can also be used for cut flowers. It is best propagated by seed or division and is notable in spring.
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 microcephalus hort. 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 microcephalus hort.
- 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 microcephalus hort.?
Helianthus microcephalus hort. prefers full sun. It suits sheltered positions.
What soil does Helianthus microcephalus hort. need?
Helianthus microcephalus hort. grows best in loam soil. It prefers neutral and alkaline soil. Aim for soil that stays moist but well-drained.
Is Helianthus microcephalus hort. hardy in the UK?
Helianthus microcephalus hort. 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 microcephalus hort.?
Seed, Division.
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