Browse Plants by Color: White
Petasites frigidus
coltsfoot
Petrophyton hendersonii
Olympic rockmat
Phacelia corymbosa
serpentine scorpionweed
Phacelia hastata
silverleaf phacelia
Phacelia heterophylla
varied-leaf phacelia
Philadelphus lewisii
Lewis's mock-orange
Phlox hoodii
Hood's phlox
Physocarpus capitatus
Pacific ninebark
Piperia elegans
elegant rein-orchid
Plagiobothrys figuratus
fragrant popcorn flower
Plagiobothrys nothofulvus
rusty popcorn flower
Plagiobothrys scouleri
Scouler's popcorn flower
Plagiobothrys tenellus
Pacific popcorn flower
Platanthera dilatata var. dilatata
white bog orchid
Platanthera leucostachys
Sierra bog orchid
Platanthera orbiculata
round-leaved bog orchid
Platystemon californicus
cream cups
Plectritis macrocera
white plectritis
Polygonum bistortoides
western bistort
Polygonum cuspidatum
Japanese knotweed