Heracleum persicum

RHS Plant Profile
Persian hogweed

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This plant is listed as an invasive non-native species in the UK – see Cultivation section for details A large herbaceous perennial with hairy, lobed, dark green leaves. Tall stems are hollow and hairy. Large compound umbels of white flowers are borne on tall flowering stems in summer, followed by flattened oval brown fruits

Botanical Details

Family
Apiaceae
Native to GB/Ireland
No
Potentially harmful
TOXIC to skin with sunlight. Wear gloves and other protective equipment when handling TOXIC to pets (dogs/poultry) with sunlight - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Heracleum can be biennial or perennial herbs and include species such as giant hogweed, fennel, cow parsley and ground elder.
Name Status
Unresolved

How to Grow

Cultivation

This plant is on the GB Non-Native Species Secretariat list of Species of Special Concern and the EU list of Invasive Alien Species of Union Concern (applies in NI). It should not be planted or caused to grow in the wild in the UK. It is also banned from sale, and gardeners who already have it should take steps to control it. See RHS advice on invasive non-native species for further information

Propagation

See cultivation notes

Pests

See cultivation notes

Diseases

See cultivation notes