Purslane 'Fairytale Cinderella' Purslane 'Yubi Apricot'
Purslane 'Yubi Lemon Yellow' Purslane, Milk
Purslane, Summer (spp.) Purslane, Summer 'Duet Yellow'
Purslane, Summer 'Wildfire' Purslane: umbellata, Rock
Pussley (spp.) Pussley 'Duet Yellow'
Pussley 'Wildfire' Pussy Ears
Pussy Willow (spp.) Pussy Willow Weeping
Pussy Willow: discolor Pussytoes 'Rubra'
Pussytoes, Stoloniferous 'Rubra' Pussytoes: parvifolia
Pussytoes: rosea Puya
Puya: coerulea violacea Puya: raimondii
Pycnostachys 'Pygmaea' Arolla Pine
'Pygmaea' Black Spruce 'Pygmaea' Chinese Elm
'Pygmaea' Flowering Dogwood 'Pygmaea' Norway Spruce
Pygmy Date Palm Pygmy Peashrub
'Pygmy Torch' Prince's Feather Pyracantha 'Gnome'
Pyracantha 'Santa Cruz' Pyracantha (spp.)
Pyracantha 'Lalandei' Pyracantha Variegated
Pyracantha: hybrid 'Navajo' Pyracantha: hybrid 'Red Cushion'
Pyracantha: hybrid 'Teton' Pyramidal Bugleweed 'Metallica Crispa'
'Pyramidale' Silver Maple 'Pyramidalis' American Arborvitae
'Pyramidalis' American Boxwood 'Pyramidalis' American Linden
'Pyramidalis' Chinese Juniper 'Pyramidalis' Eastern Red Cedar
'Pyramidalis' European Alder 'Pyramidalis' Scotch Heather
'Pyramidalis' White Poplar Pyrenean Cranesbill 'Wargrave Pink'
Pyrethrum (spp.) Pyrethrum 'Painted Daisy'
Pyrethrum 'Robinson Hybrids' Pyrethrum 'Robinson's Mix'
Pyrethrum 'Robinson's Red' Pyrolla, Pink
'Quadricolor' Wandering Jew: zebrina Quail Berry
Quaker Ladies Quaking Aspen
Quamash 'Coerulea' Quamash, Cusick
'Quartz Burgundy' Verbena 'Queen Alexander' Oriental Poppy
Queen Anne's Lace Queen Anne's Lace: carota
'Queen Josephine' Hosta Queen Lily Ginger (spp.)
Queen Lily Ginger 'Emperor' 'Queen Margrethe' Rose
'Queen of Night' Hybrid Tulip 'Queen of Siam' Chinese Evergreen
Queen of the Alps (spp.) Queen of the Meadows 'Plena'
Queen of the Meadows Variegated Queen of the Night
Queen of the Prairie (spp.) Queen Palm
Queen Sago Palm 'Queen Sophia' French Marigold
Queen Victoria Century Plant 'Queen Wilhelmina' Azalea
Queen's Crapemyrtle Queen's Crapemyrtle: speciosa
'Queen's Robe' Butterflybush Queen's Spiderwort
Queen's Wreath Queen's Wreath: volubilis
Queensland Queensland Bottletree
Queensland Box (spp.) Queensland Box Variegated
Queensland Box: conferta Queensland Ebony
Queensland Kauri Queensland Messmate
Queensland Nut 'Dr. Beaumont' Queensland Palm
Queensland Silver Wattle Queensland Umbrella Tree (spp.)
Queensland Umbrella Tree 'Amate™' 'Queeny Purple' Hollyhock