Heracleum persicum
Persian hogweed
A species of flowering herbaceous perennial with hairy, lobed, toothed dark green foliage and tall, hollow, hairy stems which smell of aniseed. Umbels of white flowers appear on these long stems in summer followed by oval brown seeds This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive, non-native species and is banned from sale. See cultivation notes for further details
Size
Ultimate height
Time to ultimate height
Ultimate spread
Growing conditions
Moisture
pH
Colour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | ||||
|---|---|---|---|---|
| Summer | ||||
| Autumn | ||||
| Winter |
Position
Aspect
Exposure
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 listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive, non-native species and is banned from sale. See cultivation notes for further details
Propagation
Please see cultivation notes
Suggested planting locations and garden types
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.