Visitors to the Poison Garden at Alnwick Castle are greeted with a big black gate that warns "These Plants May Kill." Lurking beyond the miasmatic fog is a collection of over 100 botanic assassins & intoxicants that include the legendary deadly nightshade, strychnine, and mandrake, as well as ubiquitous garden plants like foxglove, datura, and laburnum.
A Victorian-era menagerie still grows today, at an historic country estate in Portsmouth, Rhode Island. With its century-old living sculptures, Green Animals Garden is the oldest topiary garden in the United States.
Don't let the bugs of spring and summer get you down! Invite these 6 plants into your garden for not only their colorful and fragrant display, but also their ability to keep those uninvited mosquitos out.