Oenothera lindheimeri(Gaura lindheimeri)-山桃草,千鳥花、白蝶花
Ophiopogon japonicus-麥冬
Orthrosanthus((Morning iris))-晨花鳶尾
Oxalis corniculata Yellow Wood Sorrel -酢漿草，又稱三葉酸黃花酢漿草
Oxalis debilis var. corymbosa-紫花酢漿草
Oxalis glabra
Oxalis gracilis-橙色纖莖酢醬草
Oxalis incarnata-白粉酢漿草
Oxalis latifolia(garden pink-sorrel,garden pink-sorrel)
Oxalis pes-caprae (Bermuda buttercup, African wood-sorrel, Bermuda sorrel, buttercup oxalis)毛茛酢漿草，百慕達毛茛
Oxalis purpurea
Oxalis purpurea (Purple wood sorrel)-芙蓉酢醬草
Oxalis purpurea alba-白花芙蓉酢醬草
Paeonia lactiflora-芍藥
Pamianthe peruviana( Peruvian Daffodil)-秘魯水仙
Paramongaia"giant Peruvian daffodil."
Podophyllum versipelle 'Spotty Dotty' 鬼臼屬
Polygonatum( King Solomon's-seal)-黃精屬
Physostegia virginiana(obedient plant,false dragonhead)-隨意草、假龍頭花、囊萼花
