St.John's Wort

Asked March 31, 2020, 11:16 AM EDT

Hello, My question is should I cut back my St.John's Wort in spring or just let it be? I planted this 3 years ago and I usually cut it down to about 4" . This year I noticed all the new growth in last year's branches. Thanks for your help, Michele Roche

Baltimore County Maryland

1 Response

Hello Michele,

While St. Johnsworts do not require cutting-back to grow well, they can be in spring due to their late flowering season. Typically, this is done a bit earlier than leaf-out, but can still be pruned now. 4" might be a bit low, but if it has worked satisfactorily for you in the past, then it should be fine.

Miri