Hypericum kalmianum "gemo"Hypericum kalmianum "gemo"Catalog number:St. John's tříkvětá is easy perennial that forms compact bushes. It blooms in midsummer. Absolutely easy. Maintenance-free. Outdoor plants → PerennialsIndoor flowersOutdoor plantsBroom and grafted conifersConifersCreepersDavid Austin RosesFruitPerennialsRhododendrons, azaleas, kalmiaRockery plantsShrubs and treesSummer outdoor flowersAquatic plantsBulbsGesneriaceae and begoniaceaeHerbsOrchideaPatio plantsFertilizers