The OuchHouse is a collection of spiny cactus, euphorbia and other succulents located in Carlisle, Massachusetts. There are about 300 plants in all, ranging in size from the 14 foot tall 3-armed Saguaro down to the humble quarter inch tall field of Lithops. There are thirteen varieties of Opuntia, all growing like mad. The opposite of an oasis, the OuchHouse is a dry spot in the midst of wetlands. Join Tower Hill Botanic Garden, garden owner Marc Raibert and cactus and succulent expert Art Scarpa for a tour of this unique greenhouse on Saturday, May 4 from 1 – 2:30. There will be plenty of time for Q&A. Directions will be sent upon registration; carpooling from Tower Hill is optional. $20 for Tower Hill members, $24 for nonmembers. Register at https://towerhillbg.thankyou4caring.org/pages/event-registration-form—tour-of-ouchhouse-carlisle-ma