Troubleshooting
Sickle-leaved Hare's-ear problems — and how to fix them
Sickle-leaved Hare's-ear (Bupleurum falcatum) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Crown rot from waterlogging
The primary cause of plant death in cultivation; always grow in sharply drained soil or raise beds with added grit. Avoid poorly drained clay soils entirely.
Self-seeding aggressively
Can self-sow prolifically in suitable dry, open conditions; deadhead spent flower heads before seed sets if unwanted spread is a concern.
Prevent sickle-leaved hare's-ear problems before they start
Most sickle-leaved hare's-ear issues are care-mismatch, not bad luck. Dial in the basics:
Sickle-leaved Hare's-ear problems — FAQ
Why is my sickle-leaved hare's-ear crown rot from waterlogging?
The primary cause of plant death in cultivation; always grow in sharply drained soil or raise beds with added grit. Avoid poorly drained clay soils entirely.
Why is my sickle-leaved hare's-ear self-seeding aggressively?
Can self-sow prolifically in suitable dry, open conditions; deadhead spent flower heads before seed sets if unwanted spread is a concern.