Canada's Plant Hardiness Site
Choose from the Genera below to see a list of species and
cultivars.
Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.
S
Sabal
Sabatia
Sabulina
Saccharum
Sageretia
Sagina
Sagittaria
Salicornia
Salix
Salpiglossis
Salsola
Salvia
Sambucus
Samolus
Sandbergia
Sanguinaria
Sanguisorba
Sanicula
Santolina
Sapindus
Saponaria
Sarcobatus
Sarcococca
Sarcocornia
Sarracenia
Saruma
Sasa
Sassafras
Satureja
Saururus
Saussurea
Saxifraga
Scabiosa
Scandix
Sceptridium
Schedonnardus
Schedonorus
Scheuchzeria
Schisandra
Schizachne
Schizachyrium
Schizaea
Schizophragma
Schizostylis
Schoenolirion
Schoenoplectus
Schwalbea
Sciadopitys
Scilla
Scirpus
Scleranthus
Scleria
Sclerocactus
Sclerochloa
Scolochloa
Scopolia
Scrophularia
Scutellaria
Secale
Securigera
Securinega
Sedum
Selaginella
Semiarundinaria
Sempervivum
Senecio
Senegalia
Senna
Sequoia
Sequoiadendron
Sericocarpus
Serissa
Sesbania
Sesleria
Setaria
Shepherdia
Sherardia
Shinnersoseris
Shortia
Sibbaldia
Sicyos
Sida
Sidalcea
Silene
Silphium
Silybum
Sinapis
Sinojackia
Sinosenecio
Sisymbrium
Sisyrinchium
Sium
Skimmia
Smallanthus
Smelowskia
Smilax
Solanum
Soldanella
Solidago
Solidaster
Soliva
Sonchus
Sophora
Sorbaria
Sorbus
Sorghastrum
Sorghum
Sparaxis
Sparganium
Spartina
Spartium
Spergula
Spergularia
Sphaeralcea
Sphaerophysa
Sphenopholis
Spigelia
Spinacia
Spiraea
Spiranthes
Spirodela
Spodiopogon
Sporobolus
Stachys
Stachyurus
Stanleya
Staphylea
Stellaria
Stenanthium
Stenaria
Stenotus
Stephanandra
Stephanomeria
Sternbergia
Stewartia
Stokesia
Streptanthus
Streptopus
Strophostyles
Stuckenia
Stylisma
Stylocline
Stylophorum
Stylosanthes
Styphnolobium
Styrax
Suaeda
Subularia
Succisa
Succisella
Suckleya
Suksdorfia
Sullivantia
Swertia
Sycopsis
Symphoricarpos
Symphyandra
Symphyotrichum
Symphytum
Symplocarpus
Symplocos
Synthyris
Syringa