Silver MoundArtemisia schmidtiana 'Silver Mound'Perennial- NCL
- CVL
- SCL
- SIL
- HDL
- LD×
Plants starting with S: water needs by California climate zone
Each plant shows its water use rating for each of the six California climate zones. Minutes opens the sprinkler calculator with the plant and a climate city preset.
Page 2 of 3: Silver Mound to sticky Jerusalem sage.
Silver MoundArtemisia schmidtiana 'Silver Mound'Perennial
silver mountain gumEucalyptus pulverulentaTree- NCL
- CVM
- SCL
- SIM
- HD×
- LDM
silver mulleinVerbascum bombyciferumPerennial- NCL
- CVL
- SCM
- SIL
- HD?
- LD?
silver plectranthusPlectranthus argentatusPerennial- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
silver reedThamnochortus cinereusPerennial- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
silver sageSalvia argenteaPerennial- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
Silver SennaSenna artemisioides petiolarisShrub- NCVL
- CVL
- SCVL
- SIL
- HDL
- LDL
- NCM
- CV?
- SCM
- SI×
- HD?
- LD?
silver snapdragonAntirrhinum sempervirensPerennial- NCL
- CVM
- SC?
- SI?
- HD?
- LD?
silver spearAstelia chathamicaPerennial- NCM
- CV?
- SCM
- SI×
- HD?
- LD?
- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
silver tansyTanacetum niveumPerennial- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
silver treeLeucadendron argenteumTree- NCL
- CV×
- SCL
- SI×
- HD×
- LD×
silver vein creeperParthenocissus henryanaGround cover, Vine- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
silver vein forsythiaForsythia koreana 'Kumsom'Shrub- NCM
- CV?
- SCM
- SI?
- HD×
- LD×
silver wattleAcacia dealbataTree- NCVL
- CVL
- SCL
- SIL
- HD×
- LD×
Silver WormwoodArtemisia ludoviciana ssp. albulaPerennial, California native- NCVL
- CVL
- SCL
- SIL
- HDL
- LDL
silverbellHalesia monticolaTree- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
silverberryElaeagnus pungensShrub- NCL
- CVL
- SCL
- SIL
- HDM
- LDM
Silverleaf OakQuercus hypoleucoidesTree- NCL
- CVL
- SC?
- SIL
- HD?
- LD?
silverweedPotentilla anserinaPerennial, California native- NC?
- CV?
- SCH
- SIH
- HD?
- LD?
Silvery LupineLupinus argenteusPerennial, California native- NCL
- CVVL
- SCL
- SI?
- HD?
- LD?
silvery yarrowAchillea clavennaePerennial- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
Sinaloan blue sageSalvia sinaloensisPerennial- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
single leaf pinyon pinePinus monophyllaTree, California native- NCL
- CV×
- SCVL
- SIL
- HDL
- LD×
SisalAgave sisalanaSucculent- NCVL
- CVVL
- SCL
- SIVL
- HDVL
- LDVL
- NCM
- CVM
- SCL
- SIL
- HDM
- LDM
sisysrinchium (convolutum)Sisyrinchium convolutumPerennial- NCH
- CV?
- SC?
- SI?
- HD×
- LD×
sisysrinchium (macrocephalum)Sisyrinchium macrocephalumPerennial- NCM
- CV?
- SCL
- SI?
- HD?
- LD?
Sitting Pretty roseRosa Sitting Pretty™Shrub- NC?
- CVL
- SCL
- SI?
- HD?
- LD?
Skeleton-leaf GoldeneyeViguiera stenolobaShrub- NCVL
- CV?
- SC?
- SI?
- HD?
- LD?
Skinners Gold Austrian brome grassBromus inermis 'Skinner's Gold'Ornamental grass- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
skunk bushRhus trilobata ssp. & cvs.Ground cover, Shrub, California native- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
skunk cabbageLysichiton americanusPerennial, California native- NCH
- CV×
- SCH
- SI×
- HD?
- LD×
Sky box hollyIlex crenata 'Farrowone' Sky Box®Shrub- NC?
- CV×
- SC×
- SI?
- HD?
- LD?
sky flowerDuranta erecta (D. repens)Shrub- NC×
- CVM
- SCM
- SIM
- HDM
- LDM
sky flowerThunbergia grandifloraVine- NCM
- CV×
- SCM
- SIM
- HD×
- LDM
Skylark ceanothusCeanothus thyrsiflorus 'Skylark'Shrub, California native- NCL
- CVL
- SCM
- SIM
- HD×
- LD×
Skyscraper SenecioCurio (Senecio) ficoides 'Skyscraper'Succulent- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
Skyscraper Series SageSalvia x 'Skyscraper Series'Perennial- NCM
- CVL
- SC?
- SI?
- HD?
- LDM
slender hairgrassDeschampsia elongataOrnamental grass, California native- NC?
- CV?
- SCM
- SI×
- HD?
- LD?
Slender Lady PalmRhapis excelsaShrub, Palm or cycad- NCM
- CV?
- SCM
- SIM
- HD?
- LDM
slender lady palmRhapis humilisShrub, Palm or cycad- NC?
- CV?
- SCM
- SIM
- HD×
- LDM
slender net bushCalothamnus gracilis 'Spring Torch'Shrub- NC?
- CV?
- SCL
- SI?
- HD?
- LD?
Slender SedgeCarex graciliorOrnamental grass, California native- NCL
- CV?
- SC?
- SIM
- HD?
- LD?
Slender SunflowerHelianthus gracilentusPerennial, California native- NCL
- CV?
- SCVL
- SIL
- HD?
- LDM
slender veldt grassPennisetum spatheolatumOrnamental grass- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
slipper flower/slipperwortCalceolaria spp.Perennial- NCM
- CV?
- SCM
- SI?
- HD×
- LD×
slipper plantPedilanthus macrocarpusShrub, Succulent- NC×
- CV×
- SCVL
- SIVL
- HDL
- LDL
Slough SedgeCarex obnuptaOrnamental grass, California native- NC?
- CV?
- SC?
- SIM
- HD?
- LD?
Small Cape RushChondropetalum tectorumPerennial- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
small flowered clematisClematis paucifloraVine, California native- NCL
- CV?
- SCVL
- SIL
- HD?
- LD?
small yellow albucaAlbuca shawiiBulb- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
small-leafed westringiaWestringia brevifoliaShrub- NCL
- CV?
- SCL
- SIM
- HD×
- LD?
small-leaved gumEucalyptus parvulaTree- NCL
- CV?
- SC?
- SI?
- HD?
- LD?
smoke treeCotinus coggygria ssp. & cvs.Shrub, Tree- NCL
- CVL
- SCL
- SIL
- HDL
- LD×
smoke treePsorothamnus spinosus (Dalea spinosa)Shrub, California native- NC×
- CVL
- SC×
- SIL
- HD×
- LDVL
Smooth AgaveAgave desmettiana ssp. & cvs.Succulent- NCVL
- CVVL
- SCL
- SIVL
- HDVL
- LDVL
Smooth Barked CypressCupressus glabraTree- NCL
- CVL
- SC?
- SIL
- HDL
- LD?
smooth leaf yerba santaEriodictyon trichocalyxShrub, California native- NC?
- CV?
- SCVL
- SIVL
- HD?
- LD?
smooth sumacRhus glabraShrub- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
smooth witherodViburnum nudum 'Winterthur'Shrub- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
snail vineVigna caracallaVine- NCM
- CV×
- SCM
- SIM
- HD×
- LDM
snake berryActaea rubra (shade)Perennial, California native- NCM
- CV?
- SC×
- SI×
- HD?
- LD?
snakerootSanicula crassicaulisPerennial, California native- NCL
- CV?
- SCL
- SIVL
- HD?
- LD?
snakeroot/bugbaneActaea simplex (Cimicifuga ramosa) (shade)Perennial- NCM
- CV?
- SC?
- SI×
- HD?
- LD?
- NCM
- CV?
- SCM
- SIL
- HD×
- LDM
- NCM
- CVM
- SC?
- SIM
- HD?
- LD?
- NCL
- CV?
- SC?
- SI?
- HD?
- LD?
snow drop treeHalesia carolinaTree- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
snow flake treeTrevesia palmata 'Micholitzii'Tree- NC?
- CV?
- SCM
- SIM
- HD?
- LD?
Snow Flurry ceanothusCeanothus thyrsiflorus 'Snow Flurry'Shrub, California native- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
snow in summerCerastium tomentosumGround cover, Arboretum All-Star- NCM
- CVL
- SCM
- SIM
- HDM
- LDM
snow poppyEomecon chionantha (shade)Perennial- NCM
- CV?
- SCM
- SI×
- HD?
- LD?
Snowball ceanothusCeanothus rigidus 'Snowball'Shrub, California native- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
snowball hydrangeaHydrangea arborescensShrub- NCM
- CVH
- SC?
- SI?
- HD×
- LD×
snowberrySymphoricarpos albus ssp. & cvs. (SHADE)Shrub, California native- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
Snowbrush CeanothusCeanothus velutinusShrub- NCL
- CVVL
- SC?
- SI×
- HD×
- LD×
snowdrop bushStyrax redivivus (Styrax californicus, Styrax fulvescens)Shrub, California native- NCL
- CVL
- SCL
- SIL
- HDM
- LD×
snowdrop windflowerAnemone sylvestrisPerennial- NCM
- CVM
- SCM
- SI×
- HD×
- LD×
snowflake sageSalvia chionophyllaGround cover, Perennial- NCL
- CV?
- SCL
- SIL
- HD?
- LD?
Snowstorm Forage KochiaBassia prostrata 'Snowstorm'Shrub- NCVL
- CV?
- SC?
- SI?
- HDL
- LD?
- NCL
- CVL
- SCL
- SIL
- HD×
- LDL
snowy woodrushLuzula niveaPerennial- NCM
- CVM
- SC?
- SIM
- HD?
- LD?
soap plantChlorogalum pomeridianumBulb, California native- NCVL
- CVVL
- SCVL
- SIVL
- HD?
- LD?
soapbark treeQuillaja saponariaTree- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
soapberrySapindus saponariaTree- NC?
- CV?
- SCM
- SIL
- HD?
- LD?
soaptree yuccaYucca elataShrub, Succulent- NCVL
- CV?
- SCVL
- SIVL
- HDVL
- LDL
soapweed yuccaYucca glaucaShrub, Succulent- NCVL
- CV?
- SCL
- SI?
- HDL
- LD?
- NCL
- CVL
- SCL
- SIM
- HDM
- LDM
Socotran borageTrichodesma scottiiShrub, Succulent- NC?
- CV?
- SCM
- SI×
- HD?
- LD?
soft caress grape hollyBerberis eurybracteata 'Soft Caress' (Mahonia)Shrub- NCL
- CVM
- SCL
- SI?
- HD?
- LD?
Soft Caress MahoniaMahonia 'Soft Caress'Shrub- NC?
- CVL
- SC?
- SI?
- HD?
- LD?
soft muhlyMuhlenbergia pubescensOrnamental grass- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
soft shield fernPolystichum setiferumPerennial- NCM
- CVH
- SC?
- SI?
- HD?
- LD×
softrushJuncus effusus ssp. & cvs.Perennial, California native- NCM
- CVM
- SCM
- SIM
- HD?
- LDM
solanum-like thomasiaThomasia solanaceaShrub- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
Soloman''s sealPolygonatum odoratum (japonicum)Perennial- NCH
- CV×
- SCM
- SI×
- HD?
- LD?
Sonoma Coast yarrowAchillea millefolium 'Sonoma Coast'Perennial- NCL
- CVL
- SCL
- SIL
- HD?
- LDL
Sonoma sageSalvia 'Dara's Choice'Ground cover, Perennial, California native- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
Sonoma sageSalvia sonomensis and cvs.Ground cover, Perennial, California native- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
Sonoran bee bushAloysia lycioidesShrub- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Sonoran justiciaJusticia sonoraeShrub- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Sonoran palo verdeParkinsonia 'Sonorae'Tree- NC?
- CV?
- SC?
- SIVL
- HD×
- LDL
sorrel/shamrockOxalis spp.Perennial- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
sour gum/tupeloNyssa sylvaticaTree- NCM
- CVM
- SCM
- SIH
- HD×
- LD×
- NCM
- CVM
- SC×
- SI?
- HD?
- LD×
South African geraniumPelargonium sidoidesGround cover, Perennial- NCM
- CVL
- SCL
- SIL
- HD×
- LD×
South African jasmineJasminum angulareShrub, Vine- NC?
- CV×
- SCM
- SIM
- HD?
- LD?
South African mallowAnisodontea X hypomandarumShrub- NCM
- CVM
- SCL
- SIM
- HD×
- LDM
South African tree wisteriaBolusanthus speciosusTree- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
South American rock vervainGlandularia aristigera and cvs (Verbena tenuisecta)Perennial- NCL
- CVM
- SCL
- SIL
- HDM
- LDM
south western prickly poppyArgemone pleiacanthaPerennial- NCVL
- CV?
- SCVL
- SI?
- HD?
- LD?
southern diplolaenaDiplolaena dampieri 'Feather Duster'Shrub- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
southern goldenrodSolidago confinisPerennial, California native- NC?
- CV?
- SCM
- SIM
- HD?
- LD?
southern high bush blueberryVaccinium hybrids and cvs (CA native and non- native spp.)Shrub, California native- NCM
- CVH
- SCM
- SIM
- HD×
- LD×
southern live oakQuercus virginianaTree- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
southern magnoliaMagnolia grandiflora ssp. & cvs.Tree- NCM
- CVM
- SCM
- SIM
- HDM
- LDH
Southern Moon Indian hawthornRhaphiolepis umbellata 'RutRhaph1' Southern Moon®Shrub- NC?
- CVL
- SCM
- SI?
- HD?
- LD?
southern mountain miseryChamaebatia australisGround cover, California native- NC?
- CV×
- SC?
- SIL
- HD?
- LD?
southern sennaSenna odorata (Cassia odorata)Shrub- NC?
- CV?
- SCL
- SIL
- HD?
- LDL
southern starOxypetalum coeruleum (Tweedia coerulea)Perennial- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
southern sword fernNephrolepis cordifolia (SHADE IN DESERT)Perennial- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
southern wax myrtleMyrica ceriferaShrub- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
southwest redbudCercis reniformisTree- NCL
- CVL
- SC?
- SI?
- HD?
- LD?
Spanish bayonetYucca aloifoliaShrub, Succulent- NCVL
- CV?
- SCL
- SIVL
- HDL
- LDL
Spanish broomSpartium junceumShrub- NCVL
- CVVL
- SCVL
- SIVL
- HDVL
- LD×
Spanish daggerYucca gloriosa ssp. & cvs.Shrub, Succulent- NCVL
- CVL
- SCVL
- SIL
- HDL
- LDL
Spanish firAbies pinsapoTree- NCL
- CVL
- SCL
- SI×
- HD×
- LD×
Spanish irisIris xiphiumBulb- NCM
- CVM
- SC?
- SIVL
- HDM
- LDM
Spanish LavenderLavandula stoechas ssp. & cvs.Perennial- NCL
- CVL
- SCL
- SIL
- HDM
- LD×
Spanish shawlHeterocentron elegansShrub- NC×
- CV×
- SCM
- SI?
- HD?
- LD?
Spanish snapdragonAntirrhinum hispanicumPerennial- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
Sparkler's willow leaf stachyurusStachyurus salicifolia 'Mon Emeri'Shrub- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
spathiphyllumSpathiphyllum spp. SHADEPerennial- NC×
- CV×
- SCH
- SI×
- HD×
- LDM
spear lilyDoryanthes palmeriShrub- NCL
- CV×
- SCL
- SIL
- HD×
- LD×
speedwellVeronica repensGround cover, Perennial- NCM
- CVM
- SCM
- SI×
- HD×
- LD×
spicy jatrophaJatropha integerrimaShrub- NCM
- CV?
- SCM
- SIM
- HD?
- LDM
spicy sennaSenna armata (Cassia armata)Shrub, California native- NC?
- CV?
- SC×
- SI×
- HDVL
- LDL
spider plantChlorophytum comosum (SHADE)Perennial- NCL
- CVM
- SCL
- SIM
- HD×
- LDM
spiderwortTradescantia ohiensis and cvs. (Tradescantia virginiana)Perennial- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
spiderwortTradescantia pallida (Setcreasea pallida)Perennial- NCM
- CVM
- SCM
- SIM
- HDH
- LDH
Spike BentgrassAgrostis exarataOrnamental grass, California native- NCL
- CV?
- SC?
- SIM
- HD?
- LDM
spike rushEleocharis spp. (CA native and non-native spp.)Perennial, California native- NCH
- CVH
- SCH
- SIM
- HD?
- LD?
spiked mint bushProstanthera phylicifoliaShrub- NCL
- CV?
- SC?
- SI?
- HD?
- LD?
spiny bear's breachAcanthus spinosus (dormant in summer in CV, perennial in shade on coast)Perennial- NCM
- CVL
- SCM
- SIM
- HD?
- LD?
spiny fiber palmTrithrinax acanthocomaTree, Palm or cycad- NCL
- CV?
- SCM
- SI?
- HD?
- LD?
spiny grapeVitis davidiiVine- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
spiny headed mat rushLomandra longifoliaPerennial- NCL
- CV?
- SCL
- SIM
- HD?
- LD?
Spiny HopsageGrayia spinosaShrub- NCVL
- CV?
- SC×
- SI?
- HD?
- LD?
- NC?
- CV?
- SC?
- SI?
- HD?
- LDM
spiny rushJuncus acutusPerennial, California native- NC?
- CVM
- SCM
- SIM
- HD?
- LD?
spiraeaSpiraea spp. (CA native and non native spp.)Shrub, California native- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
split leaf philodendronMonstera deliciosaVine- NC×
- CV×
- SCM
- SIM
- HD×
- LD×
Split RockPleiospilos spp. & cvs.Succulent- NCVL
- CV?
- SCM
- SIVL
- HD?
- LD?
spoonleaf boucheaBouchea spathulataPerennial- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
spotted deadnettleLamium maculatumGround cover- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
spotted emu bushEremophila maculata ssp. & cvs.Shrub- NCL
- CVL
- SCL
- SIL
- HDL
- LDL
spotted gumCorymbia maculata (Eucalyptus maculata)Tree- NCL
- CV×
- SCL
- SIM
- HD×
- LDM
spreading gooseberryRibes divaricatumShrub, California native- NCL
- CV?
- SC?
- SIL
- HD?
- LD?
spreading gum plantGrindelia stricta var. platyphyllaGround cover, California native- NCL
- CVM
- SCL
- SIL
- HD?
- LD?
sprenger's magnoliaMagnolia sprengeri 'Diva'Tree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
spring cinquefoilPotentilla neumannianaGround cover- NCM
- CVM
- SCM
- SIM
- HD×
- LDM
spring cinquefoilPotentilla vernaGround cover- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
spring star flowerIpheion uniflorumBulb- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
springbank cloverTrifolium wormskioldiiPerennial, California native- NCM
- CV?
- SC?
- SIM
- HD?
- LD?
spur flowerPlectranthus ciliatus 'Drege' (shade)Ground cover, Perennial- NC?
- CV?
- SCM
- SI?
- HD?
- LD?
spur wing wattleAcacia tripteraShrub- NC?
- CV?
- SCL
- SI?
- HD?
- LD?
- NCL
- CVL
- SC?
- SI?
- HD?
- LD?
spurge-oliveCneorum tricocconShrub- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
square stalk restioRestio quadratusPerennial- NC?
- CV?
- SC×
- SI?
- HD?
- LD?
square-stemmed bambooChimonobambusa quadrangularisShrub, Tree, Bamboo- NCL
- CVL
- SCM
- SIM
- HD×
- LDM
Squid AgaveAgave braceteosaSucculent- NCVL
- CVVL
- SCL
- SIL
- HDVL
- LDVL
squirrel's foot fernDavallia trichomanoidesPerennial- NCM
- CVM
- SCM
- SIH
- HD×
- LD×
St. Catherine's laceEriogonum giganteumShrub, California native, Arboretum All-Star- NCVL
- CVVL
- SCVL
- SIVL
- HD?
- LD?
St. John's wortHypericum 'Hidcote'Shrub- NCM
- CVM
- SCM
- SIM
- HD×
- LD×
staghorn sumacRhus typhinaShrub, Tree- NCL
- CVL
- SCL
- SI?
- HDL
- LD×
stalked bulbineBulbine frutescens & ssp. & cvs.Perennial, Arboretum All-Star- NCL
- CVL
- SCL
- SIL
- HDL
- LDM
stalked cliviaClivia caulescens (shade)Perennial- NCM
- CVL
- SCL
- SIM
- HD×
- LD×
standing cypressIpomopsis rubraPerennial- NCL
- CV?
- SC?
- SI?
- HD?
- LD?
Stanford's ManzanitaArctostaphylos stanfordianaShrub- NCL
- CV?
- SC×
- SIL
- HD?
- LD×
star jasmineTrachelospermum jasminoides and cvs.Ground cover, Shrub, Vine- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
star lilyArthropodium cirrhatumPerennial- NCM
- CV?
- SCM
- SIM
- HD×
- LD×
star lilyToxicoscordion fremontii (Zigadenus fremontii)Bulb, California native- NCVL
- CVVL
- SCVL
- SIVL
- HD?
- LD?
star magnoliaMagnolia stellataShrub- NCM
- CVM
- SC×
- SIM
- HD×
- LD×
star of BethlehemOrnithogalum arabicumBulb- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
- NCM
- CV?
- SCH
- SI?
- HD?
- LD?
starburst bushClerodendrum quadriloculare 'Brandoni'Shrub- NC×
- CV?
- SCM
- SI?
- HD?
- LD?
starfish irisFerraria crispaBulb- NCVL
- CV?
- SCL
- SIVL
- HD?
- LD?
Starn coyote brushBaccharis 'Starn' & ssp. & cvs.Ground cover, Shrub, California native- NCL
- CVVL
- SCVL
- SIL
- HDL
- LDL
starry Soloman's sealMaianthemum stellatum (Smilacina stellata)Perennial, California native- NCM
- CV?
- SCM
- SIM
- HD?
- LD?
staticeGoniolimon speciosum (Limonium speciosum)Perennial- NCL
- CVL
- SCL
- SIM
- HD×
- LDM
staticeLimonium pereziiPerennial- NCL
- CVM
- SCL
- SIM
- HD×
- LD×
Steedman's gumEucalyptus steedmaniiTree- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
stenomessonStenomesson miniatum (Urceolina)Bulb- NCM
- CV?
- SCL
- SI?
- HD?
- LD?
stenomessonStenomesson variegatumBulb- NCM
- CV?
- SCL
- SI?
- HD?
- LD?
Stephan jasmineJasminum x stephanenseVine- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
sticky cinquefoilDrymocallis glandulosa (Potentilla glandulosa)Perennial, California native- NCL
- CV?
- SCL
- SIL
- HD?
- LD?
sticky Jerusalem sagePhlomis viscosaShrub- NC?
- CV?
- SCL
- SI?
- HD?
- LD?
Photo credits, 187 images from Wikimedia Commons
- Silver Mound: Shuvaev, CC BY 4.0 (licence)
- silver mountain gum: Daderot, Public domain
- silver mullein: Ghislain118 http://www.fleurs-des-montagnes.net, CC BY-SA 3.0 (licence)
- silver plectranthus: Raffi Kojian, CC BY-SA 3.0 (licence)
- silver reed: Drakenwolf, CC BY-SA 3.0 (licence)
- silver sage: Salicyna, CC BY-SA 4.0 (licence)
- Silver Senna: Bruce McLennan, CC BY-SA 4.0 (licence)
- silver snapdragon: Piquard jean-louis, CC BY-SA 4.0 (licence)
- silver spear: Daderot, CC0 (licence)
- silver tansy: Ghislain118 http://www.fleurs-des-montagnes.net, CC BY-SA 3.0 (licence)
- silver tree: Abu Shawka, CC0 (licence)
- silver vein creeper: Rachida Boutboul, CC0 (licence)
- silver vein forsythia: 용천(김성기), CC BY 2.0 kr (licence)
- silver wattle: Donald Hobern from Copenhagen, Denmark, CC BY 2.0 (licence)
- Silver Wormwood: Didier Descouens, CC BY-SA 4.0 (licence)
- silverbell: Chrumps, CC BY-SA 4.0 (licence)
- silverberry: James H. Miller, USDA Forest Service, Bugwood.org, CC BY 3.0 us (licence)
- Silverleaf Oak: Dylan W. Schwilk, CC BY-SA 4.0 (licence)
- silverweed: Rasbak, CC BY-SA 3.0 (licence)
- Silvery Lupine: Stan Shebs, CC BY-SA 3.0 (licence)
- silvery yarrow: Hectonichus, CC BY-SA 3.0 (licence)
- Sinaloan blue sage: KENPEI, CC BY-SA 3.0 (licence)
- single leaf pinyon pine: Famartin, CC BY-SA 3.0 (licence)
- Sisal: Forest & Kim Starr, CC BY 3.0 (licence)
- sisysrinchium (convolutum): Adriana Backes, CC BY-SA 4.0 (licence)
- sisysrinchium (macrocephalum): Wouter Hagens, Public domain
- Sitting Pretty rose: Joydeep, CC BY-SA 3.0 (licence)
- Skeleton-leaf Goldeneye: homeredwardprice, CC BY 2.0 (licence)
- Skinners Gold Austrian brome grass: Daderot, Public domain
- skunk bush: Stan Shebs, CC BY-SA 3.0 (licence)
- skunk cabbage: Martin Bravenboer, Public domain
- Sky box holly: KENPEI, CC BY-SA 3.0 (licence)
- sky flower: Gowrivemban, CC0 (licence)
- sky flower: Peakhora, CC BY-SA 4.0 (licence)
- Skylark ceanothus: Didier Descouens, CC BY-SA 4.0 (licence)
- Skyscraper Senecio: SAplants, CC BY-SA 4.0 (licence)
- Skyscraper Series Sage: 小石川人晃, CC BY-SA 4.0 (licence)
- slender hairgrass: Robert H. Mohlenbrock, Public domain
- Slender Lady Palm: Aris riyanto, CC BY-SA 4.0 (licence)
- slender lady palm: KENPEI, CC BY-SA 3.0 (licence)
- slender net bush: Geoff Derrin, CC BY-SA 4.0 (licence)
- Slender Sedge: Святослав Власенко, CC BY 4.0 (licence)
- Slender Sunflower: Unknown author, Public domain
- slender veldt grass: JonRichfield, CC BY-SA 4.0 (licence)
- slipper flower/slipperwort: Stan Shebs, CC BY-SA 3.0 (licence)
- slipper plant: Nhrjmhll, CC0 (licence)
- Slough Sedge: Gordon Leppig & Andrea J. Pickart, Public domain
- Small Cape Rush: Peter Barr, CC BY-SA 2.0 (licence)
- small flowered clematis: Stickpen, Public domain
- small yellow albuca: Annie's Annuals & Perennials, CC BY 2.0 (licence)
- small-leafed westringia: Consultaplantas, CC BY-SA 4.0 (licence)
- small-leaved gum: Poyt448 Peter Woodard, CC0 (licence)
- smoke tree: Didier Descouens, CC BY-SA 4.0 (licence)
- smoke tree: Stan Shebs, CC BY-SA 3.0 (licence)
- Smooth Agave: Akshaya govindasamy, CC BY-SA 4.0 (licence)
- Smooth Barked Cypress: sharloch from USA, CC BY-SA 2.0 (licence)
- smooth leaf yerba santa: joedecruyenaere, CC BY-SA 2.0 (licence)
- smooth sumac: Velocicaptor at Wikipedia, Public domain
- smooth witherod: Plant Image Library from Boston, USA, CC BY-SA 2.0 (licence)
- snail vine: Teclasorg, CC BY 2.0 (licence)
- snake berry: Kurt Stüber, CC BY-SA 3.0 (licence)
- snakeroot: Rachel Whitt, CC0 (licence)
- snakeroot/bugbane: KENPEI, CC BY-SA 3.0 (licence)
- snow drop tree: Kurt Stüber, CC BY-SA 3.0 (licence)
- snow flake tree: Margaret Donald from Sydney, Australia, CC BY-SA 2.0 (licence)
- Snow Flurry ceanothus: Stan Shebs, CC BY-SA 3.0 (licence)
- snow in summer: Ra'ike, CC BY-SA 2.0 de (licence)
- snow poppy: peganum, CC BY-SA 2.0 (licence)
- Snowball ceanothus: Sergei Gussev, CC BY 2.0 (licence)
- snowball hydrangea: H. Zell, CC BY-SA 3.0 (licence)
- snowberry: Didier Descouens, CC BY-SA 4.0 (licence)
- Snowbrush Ceanothus: Walter Siegmund (talk), CC BY-SA 3.0 (licence)
- snowdrop bush: Stickpen, Public domain
- snowdrop windflower: Ben Sale, CC BY 2.0 (licence)
- snowflake sage: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- Snowstorm Forage Kochia: Stefan.lefnaer, CC BY-SA 3.0 (licence)
- snowy woodrush: Sten Porse, CC BY-SA 3.0 (licence)
- soap plant: tomhilton, CC BY 2.0 (licence)
- soapbark tree: CARLOS SALGADO MELLA, CC BY-SA 3.0 (licence)
- soapberry: Hiobson, CC BY-SA 4.0 (licence)
- soaptree yucca: Bernard Gagnon, CC BY-SA 3.0 (licence)
- soapweed yucca: Nick, CC BY-SA 4.0 (licence)
- Socotran borage: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- soft caress grape holly: Daderot, CC0 (licence)
- Soft Caress Mahonia: The original uploader was JoJan at English Wikipedia., Public domain
- soft muhly: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0 (licence)
- soft shield fern: Vatadoshu, CC0 (licence)
- softrush: The original uploader was Meggar at English Wikipedia., CC BY-SA 3.0 (licence)
- solanum-like thomasia: Murray Fagg, CC BY 3.0 au (licence)
- Soloman''s seal: Myrabella, CC BY-SA 3.0 (licence)
- Sonoma Coast yarrow: Ayotte, Gilles, 1948-, CC BY-SA 4.0 (licence)
- Sonoma sage: Geoprofi Lars, CC BY-SA 4.0 (licence)
- Sonoma sage: Stickpen, Public domain
- Sonoran bee bush: tato grasso, CC BY-SA 3.0 (licence)
- Sonoran justicia: Sue Carnahan, CC BY 4.0 (licence)
- Sonoran palo verde: Juan Carlos Fonseca Mata, CC BY-SA 4.0 (licence)
- sorrel/shamrock: Randi Hausken from Bærum, Norway, CC BY-SA 2.0 (licence)
- sour gum/tupelo: Famartin, CC BY-SA 4.0 (licence)
- South African geranium: Photo by and (c)2006 Derek Ramsey (Ram-Man). Location credit to the Chanticle..., CC BY-SA 3.0 (licence)
- South African jasmine: Stickpen, Public domain
- South African mallow: chisloup, CC BY 3.0 (licence)
- South African tree wisteria: SAplants, CC BY-SA 4.0 (licence)
- South American rock vervain: Harry Rose from South West Rocks, Australia, CC BY 2.0 (licence)
- south western prickly poppy: Petrified Forest Ranger (Hallie Larsen/NPS), CC BY 2.0 (licence)
- southern diplolaena: MurielBendel, CC BY-SA 4.0 (licence)
- southern goldenrod: jkirkhart35, CC BY 2.0 (licence)
- southern high bush blueberry: Kazvorpal at English Wikipedia, CC BY-SA 3.0 (licence)
- southern live oak: Marcus Q on Flickr, CC BY-SA 2.0 (licence)
- southern magnolia: DavetheMage, CC BY 3.0 (licence)
- Southern Moon Indian hawthorn: KENPEI, CC BY-SA 3.0 (licence)
- southern mountain misery: Stan Shebs, CC BY-SA 3.0 (licence)
- southern senna: Hectonichus, CC BY-SA 3.0 (licence)
- southern star: Kurt Stüber, CC BY-SA 3.0 (licence)
- southern sword fern: Forest & Kim Starr, CC BY 3.0 (licence)
- southern wax myrtle: Hajotthu, CC BY 3.0 (licence)
- southwest redbud: Famartin, CC BY-SA 4.0 (licence)
- Spanish bayonet: Miwasatoshi, CC BY-SA 4.0 (licence)
- Spanish broom: Hans Hillewaert, CC BY-SA 3.0 (licence)
- Spanish dagger: W. Bulach, CC BY-SA 4.0 (licence)
- Spanish fir: Por los caminos de Málaga, CC BY 2.0 (licence)
- Spanish iris: User:Florean Fortescue, CC BY-SA 2.5 (licence)
- Spanish Lavender: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- Spanish shawl: C T Johansson, CC BY 3.0 (licence)
- Spanish snapdragon: ANE, CC BY-SA 4.0 (licence)
- Sparkler's willow leaf stachyurus: KENPEI, CC BY-SA 3.0 (licence)
- spathiphyllum: JJ Harrison (https://www.jjharrison.com.au/), CC BY-SA 3.0 (licence)
- spear lily: Jean-Pol GRANDMONT, CC BY 3.0 (licence)
- speedwell: Kurt Stüber, CC BY-SA 3.0 (licence)
- spicy jatropha: Aris riyanto, CC BY 3.0 (licence)
- spicy senna: Unknown author, Public domain
- spider plant: Juan Carlos Fonseca Mata, CC BY-SA 4.0 (licence)
- spiderwort: Frank Vincentz, CC BY-SA 3.0 (licence)
- spiderwort: Sun Jiao (Interaccoonale), CC BY 4.0 (licence)
- Spike Bentgrass: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0 (licence)
- spike rush: Forest & Kim Starr, CC BY 3.0 (licence)
- spiked mint bush: Chhe (talk), Public domain
- spiny bear's breach: MurielBendel, CC BY-SA 4.0 (licence)
- spiny fiber palm: Henrique Mallmann, CC BY-SA 3.0 (licence)
- spiny grape: Samuend, CC BY-SA 4.0 (licence)
- spiny headed mat rush: Eric in SF, CC BY-SA 3.0 (licence)
- Spiny Hopsage: Stan Shebs, CC BY-SA 3.0 (licence)
- spiny rush: Esculapio, CC BY-SA 3.0 (licence)
- spiraea: User:Pipi69e, CC0 (licence)
- split leaf philodendron: Forest & Kim Starr, CC BY 3.0 (licence)
- Split Rock: Stan Shebs, CC BY-SA 3.0 (licence)
- spoonleaf bouchea: Juan Carlos Fonseca Mata, CC BY-SA 4.0 (licence)
- spotted deadnettle: Tomasz Kuran aka Meteor2017, CC BY 2.5 (licence)
- spotted emu bush: Stan Shebs, CC BY-SA 3.0 (licence)
- spotted gum: Melburnian, CC BY 3.0 (licence)
- spreading gooseberry: Walter Siegmund (talk), CC BY-SA 3.0 (licence)
- spreading gum plant: Dawn Endico from Menlo Park, California, CC BY-SA 2.0 (licence)
- sprenger's magnolia: Liné1, CC BY-SA 3.0 (licence)
- spring cinquefoil: Christian Hummert (Ixitixel), CC BY-SA 2.5 (licence)
- spring cinquefoil: Daniel VILLAFRUELA., CC BY-SA 4.0 (licence)
- spring star flower: KENPEI, CC BY-SA 3.0 (licence)
- springbank clover: Eric in SF, CC BY-SA 3.0 (licence)
- spur flower: Krzysztof Golik, CC BY-SA 4.0 (licence)
- spur wing wattle: Melburnian, CC BY 3.0 (licence)
- spurge-olive: Tigerente, CC BY-SA 3.0 (licence)
- square stalk restio: Andrew Massyn, Public domain
- square-stemmed bamboo: SSR2000, CC BY-SA 3.0 (licence)
- Squid Agave: Tracie Hall from Orange County, us, CC BY-SA 2.0 (licence)
- squirrel's foot fern: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- St. Catherine's lace: Stan Shebs, CC BY-SA 3.0 (licence)
- St. John's wort: Didier Descouens, CC BY-SA 4.0 (licence)
- staghorn sumac: The original uploader was Muggwort17 at English Wikipedia., Public domain
- stalked bulbine: Stan Shebs, CC BY-SA 3.0 (licence)
- stalked clivia: Franz Xaver, CC BY-SA 4.0 (licence)
- standing cypress: James Steakley, CC BY-SA 3.0 (licence)
- Stanford's Manzanita: Stickpen, Public domain
- star jasmine: Scott Zona from USA, CC BY 2.0 (licence)
- star lily: Wendy Cutler, CC BY 2.0 (licence)
- star lily: Walter Siegmund (talk), CC BY-SA 3.0 (licence)
- star magnolia: Myrabella, CC BY-SA 3.0 (licence)
- star of Bethlehem: Didier Descouens, CC BY-SA 4.0 (licence)
- starburst bush: Oeropium, CC BY 3.0 (licence)
- starfish iris: SAplants, CC BY-SA 4.0 (licence)
- Starn coyote brush: Patricio Cowper Coles, CC BY 4.0 (licence)
- starry Soloman's seal: Walter Siegmund (talk), CC BY 2.5 (licence)
- statice: Valerii Glazunov, CC BY 4.0 (licence)
- statice: Stan Shebs, CC BY-SA 3.0 (licence)
- Steedman's gum: Ian Brooker and David Kleinig, CC BY 3.0 au (licence)
- stenomesson: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- stenomesson: Rosario, CC BY 4.0 (licence)
- Stephan jasmine: Rajasekhar1961, CC BY-SA 4.0 (licence)
- sticky cinquefoil: Unknown author, Public domain
- sticky Jerusalem sage: Paul Hermans, CC BY-SA 3.0 (licence)
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Zones: NC North-Central Coastal, CV Central Valley, SC South Coastal, SI South Inland, HD High and Intermediate Desert, LD Low Desert. Ratings: VL very low water, L low, M moderate, H high, ? not rated for that zone, × not suited to that zone. Ratings are the University of California WUCOLS IV list.
How to use this list
- MinutesOpen the calculator with this plant set. The preset city is in a zone where WUCOLS rates the plant. Set your sprinkler type and watering days.
- GuideRead a plant watering guide. Links appear for plants covered by our 1023 written guides.
- PlanBuild your personal watering plan. Put your plants and city together for monthly sprinkler minutes on a printable sheet.
Sources
- WUCOLS IV plant list, University of California, snapshot of the live databaseRead August 23, 2026 on ucanr.edu/sites/WUCOLS
- Appendix C reference evapotranspiration table behind the six zonesRead August 23, 2026 on water.ca.gov/-/media/DWR-Website/Web-Pages/Programs/Water-Use-And-Efficiency/MWELO-Rulemaking/Final-MWELO-Text-and-Appendices_20250103.pdf