Overview
Heracleum hemsleyanum is a bushy annual biennial in the genus Heracleum, part of the Apiaceae family, with semi evergreen foliage. Heracleum hemsleyanum grows best in full sun and partial shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include wildlife gardens and wildflower meadow.
About
Heracleum hemsleyanum is a bushy cultivar of the Heracleum genus, which includes biennial or perennial herbs such as giant hogweed and cow parsley. This semi-evergreen plant thrives in full sun or partial shade and is suitable for all garden aspects, including exposed sites. It prefers fertile, moist but well-drained loam soil with a neutral pH. Hardy to UK zone H7, it is well-suited for wildlife gardens and wildflower meadows, offering interest during spring and summer. Propagation can be achieved by seed or division.
Growing conditions
Best soil and position for Heracleum
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Exposed
- UK hardiness
- H7
Plant details
Heracleum hemsleyanum size, habit and characteristics
- Plant type
- Annual Biennial, Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Semi evergreen
- Suggested uses
- Wildlife gardens, Wildflower meadow
Care notes
Pruning and caring for Heracleum hemsleyanum
- Propagation
- Seed, Division
Frequently asked questions
Where is the best place to plant Heracleum hemsleyanum?
Heracleum hemsleyanum prefers full sun and partial shade. It suits exposed positions.
What soil does Heracleum hemsleyanum need?
Heracleum hemsleyanum grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Heracleum hemsleyanum hardy in the UK?
Heracleum hemsleyanum has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Heracleum hemsleyanum?
Seed, Division.
More in the Heracleum genus
- Heracleum lehmannianumLehmann's hogweed
- Heracleum mantegazzianumgiant hogweed

- Heracleum maximumAmerican cow parsnip

- Heracleum nepalense

- Heracleum panacesHercules' woundwort

- Heracleum sphondylium 'Pink Cloud'

- Heracleum sphondylium var. angustifolium

- Heracleum steveniiSteven's hogweed
