Pinedrops 
Pinesap 
Pink azalea 
Pink Beard-heath 
Pink Five-Corners 
Pink mountain-heath 
Pink Swamp Heath 
Pinkshell Azalea 
Pointleaf Manzanita 
Polemonium californicum 
Polemonium pulcherrimum 
Poor Man's Weatherglass 
Portuguese Heath 
Prairie shooting star 
Prickly Mingimingi 
Primula boveana 
Primula denticulata 
Psammisia ferruginea 
Purple loosestrife 
Purple pitcher plant 
Pygmy Pipe 
Red Five-Corners 
Red Huckleberry 
Rhododendron burtii