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Plant of the day · Thursday 17 September 2026

Bristol Channel Hawkweed

Hieracium eustomon

Bristol Channel Hawkweed

Meet an exceptionally rare cliffside herb that challenges and rewards the patient gardener.

The Bristol Channel Hawkweed is an exceptionally rare perennial herb that naturally grows on the limestone cliffs of the Bristol Channel area. This slow-growing plant reaches a mature height of 0.15 to 0.3 meters. It is best suited for outdoor gardens where it can grow alongside companions like thyme and Bristol rock-cress.

Growing this plant is a task best suited for expert gardeners. It requires a steady routine of moderate watering, as it is not drought-tolerant, and it needs either full sun or partial shade. You can propagate the herb from seed, though you must be prepared for its slow pace.

In the summer, the plant rewards your efforts with pale yellow, daisy-like flower heads that attract bees. Its grey-green, spotted leaves provide a beautiful backdrop for these blooms. It is also completely safe for households, as it is non-toxic to humans and pets.

expert carefull sunmoderate water

Grow it in your garden

Add it to your Bozlea garden and get watering, feeding and pruning built around your soil and weather. Free to start.

Full care guide in the app