Thorow-wax – Bupleurum rotundifolium

Thorow-wax (Bupleurum rotundifolium) is sometimes known as Hare’s Ear is a member of the carrot family. It is a distinctive plant that could be confused for a spurge. Its green / yellow coloured flowers can be seen from a distance, while it sits in clusters at the top of the stem. Each cluster of flowers are surrounded by a green ring of petal looking┬áleaves. The stem is red in colour and produces round, sometimes oval looking, leaves.

The flowers often appear around June to late July. The seed is best planted around the autumn time as the majority of the seed germinates around October to November time, with the minority actually growing the following spring.


Height: 15 – 30cm
Flowering Time: June to July
Preferred Conditions: Thorow-wax can tolerate a wide range of soils but it requires cultivation in the autumn for it to be able to return the following year.

Thorow-wax - Bupleurum rotundifolium