Cut flowers March 1 to Oct. 10, calla lily and/or glads. Container calla plants and siberica iris starting May 1. Calla Lily bulbs available Feb. – June 10. Miniature Calla Lily bulbs March – June. Glad bulbs will be unavailable for sale in 2013, due to short supply. Cut rhubarb by the pound May 1 – Sept. 1 by the pound May 1 – Sept. 1