giant hogweed
Heracleum mantegazzianum
Overview
Giant hogweed (Heracleum mantegazzianum) is an invasive plant species native to the Caucasus region. It can grow up to 5 m tall, with hollow stems 2-4 cm in diameter and white flower heads up to 80 cm in diameter. The plant sap can cause irritation and even blindness when it comes into contact with skin. It is important to control infestations of this plant as it can be quite damaging to ecological systems, particularly if it crowds out native species.
Care Guide
Watering
Average
Light
Full sun, part shade.
Soil
Well-drained
Temperature
Hardiness zone 3-9.
Pruning
Best pruned in February, March, April.
Propagation
Seed Propagation, Cutting, Layering Propagation, Division, Grafting Propagation
Uses & Symbolism
Attracts: Butterflies.
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