WateringTimesWatering plan, $19
126 plants, WUCOLS IV

Bulbs rated for California: water needs by 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.

African corn lilyIxia spp.Bulb
  • NCL
  • CVL
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
alliumAllium spp. mostly from CA or MediterraneanBulb, California native
  • NCVL
  • CVVL
  • SCL
  • SIVL
  • HDL
  • LDM
Minutes
alpine lilyLilium parvum var. crocatumBulb, California native
  • NCM
  • CV?
  • SC?
  • SIM
  • HDM
  • LDM
Minutes
alstroemeria (ligtu)Alstroemeria ligtu ssp., hybrids & cvs.Bulb
  • NCL
  • CVL
  • SC?
  • SIL
  • HD?
  • LD×
Minutes
amarygiaX Amarygia hybridsBulb
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
amaryllisHippeastrum spp.Bulb
  • NCM
  • CVL
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
autumn crocusColchicum agrippinumBulb
  • NCL
  • CV?
  • SC?
  • SIM
  • HDM
  • LDM
Minutes
autumn snowflakeLeucojum autumnale (shade)Bulb
  • NCL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
Aztec lilySprekelia formosissimaBulb, Arboretum All-Star
  • NCL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
baboon flowerBabiana spp. and hybridsBulb
  • NCL
  • CV×
  • SCVL
  • SIVL
  • HD×
  • LD×
Minutes
beetle lilyBaeometra unifloraBulb
  • NC?
  • CVVL
  • SC?
  • SI?
  • HD?
  • LD?
Minutes
black sallyEucomis comosa cvs.Bulb
  • NCM
  • CVM
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
blood lilyScadoxus multiflorus subsp. katherinae (Haemanthus katherinae)Bulb
  • NCM
  • CV?
  • SCM
  • SI?
  • HD?
  • LD?
MinutesGuide
blue dicksDichelostemma spp.Bulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
blue squillScilla natalensisBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
brodiaeaBrodiaea spp.Bulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIL
  • HD×
  • LD×
Minutes
bulbinellaBulbinella nutansBulb
  • NCL
  • CV?
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
bulbinellaBulbinella robustaBulb
  • NCL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
camasCamassia quamashBulb, California native
  • NCM
  • CVM
  • SC×
  • SI×
  • HD?
  • LD?
Minutes
cape cowslipLachenalia spp.Bulb
  • NCL
  • CVL
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
cape tulipHomeria spp.Bulb
  • NCVL
  • CVL
  • SCL
  • SIM
  • HD?
  • LD?
Minutes
cat's tail lilyBulbinella elegansBulb
  • NCL
  • CV?
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
checker lilyFritillaria affinisBulb, California native
  • NCVL
  • CV?
  • SC×
  • SI?
  • HD?
  • LD?
Minutes
chincherincheeOrnithogalum thyrsoidesBulb
  • NC?
  • CV?
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
cobra lilyChasmanthe aethiopicaBulb
  • NCL
  • CV?
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
Columbia lilyLilium columbianumBulb, California native
  • NCM
  • CV?
  • SC×
  • SI×
  • HDM
  • LDM
Minutes
Cooper's false scillaLedebouria cooperiBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
creeping buttercupRanunculus spp. (summer growing)Perennial, Bulb
  • NCM
  • CVM
  • SC?
  • SIM
  • HDM
  • LDM
MinutesGuide
crinodonnaX Amarcrinum memoria-corsiiBulb
  • NCL
  • CVVL
  • SCM
  • SIVL
  • HD?
  • LD?
Minutes
crinum lily, spider lilyCrinum spp.Bulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HDM
  • LD?
Minutes
Cusick's QuamashCamassia cusickiiBulb
  • NCM
  • CV?
  • SC?
  • SI×
  • HD?
  • LD?
Minutes
cypellaPhalocallis coelestis (Cypella plumbea)Bulb
  • NCM
  • CV?
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
daffodilNarcissus spp.Bulb
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HDL
  • LDL
MinutesGuide
dappled snowbushHaemanthus albiflosBulb
  • NCL
  • CV?
  • SCL
  • SIL
  • HD?
  • LD?
MinutesGuide
Dark Chocolate ferrariaFerraria schaeferi 'Dark Chocolate'Bulb
  • NC?
  • CV?
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
dobo lilyCyrtanthus brachyscyphusBulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
Dutch irisIris x hollandicaBulb
  • NCM
  • CVL
  • SC?
  • SIVL
  • HDM
  • LDM
Minutes
fire lilyCyrtanthus purpureusBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
fire lilyCyrtanthus sanguineusBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
forest lilyVeltheimia bracteataBulb
  • NCM
  • CV?
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
Formosan lilyLilium formosanumBulb
  • NCM
  • CV?
  • SCM
  • SIM
  • HDM
  • LDM
Minutes
freesiaFreesia spp.Bulb
  • NCVL
  • CVM
  • SCL
  • SIVL
  • HDL
  • LDM
Minutes
garland lilyCalostemma purpureumBulb
  • NCM
  • CV?
  • SCL
  • SIM
  • HD?
  • LD?
Minutes
giant pineapple lilyEucomis pallidiflora ssp. pole-evansiiBulb
  • NCM
  • CV?
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
giant scillaScilla peruviana (Scilla hughii)Bulb
  • NCVL
  • CVVL
  • SCL
  • SIVL
  • HD?
  • LD?
MinutesGuide
gladiolusGladiolus hybrids & selectionsBulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD×
  • LD×
MinutesGuide
gladiolusGladiolus watsonius (Homoglossum)Bulb
  • NCL
  • CVL
  • SCL
  • SIL
  • HD×
  • LD×
Minutes
gloriosa lilyGloriosa rothschildianaBulb
  • NCM
  • CV×
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
goblet flowerCypella coelestisBulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
goblet flowerCypella peruvianaBulb
  • NCM
  • CV?
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
golden starsBloomeria croceaBulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
grape hyacinthMuscari macrocarpumBulb
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HDM
  • LDM
Minutes
Greek cyclamenCyclamen graecum (shade)Bulb
  • NCL
  • CV?
  • SC?
  • SIL
  • HD?
  • LD?
Minutes
habranthusHabranthus tubispathus (Habranthus andersonii, Habranthus texanus)Bulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD×
  • LD×
Minutes
hardy cyclamenCyclamen coum (shade)Bulb
  • NCL
  • CV?
  • SC?
  • SI?
  • HD?
  • LD?
MinutesGuide
Harlequin flowerSparaxis spp.Bulb
  • NCVL
  • CVM
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
Herbert's goblet flowerCypella herbertiiBulb
  • NCM
  • CV?
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
Humboldt lilyLilium humboldtiiBulb, California native
  • NCL
  • CVVL
  • SCL
  • SIL
  • HDM
  • LDM
Minutes
hyacinth squillScilla hyacinthoidesBulb
  • NC?
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
hybrid cyrtanthusCyrtanthus hybridsBulb
  • NCM
  • CV?
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
hybrid homogladHomoglad hybridsBulb
  • NCVL
  • CVL
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
ifafa lilyCyrtanthus mackenii ssp. cooperiBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
Ithuriel's spearTriteleia laxaBulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
ivy leaf cyclamenCyclamen hederifoliumBulb, Arboretum All-Star
  • NCVL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
MinutesGuide
Knysna lilyCyrtanthus obliquusBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
large-leafed scillaLedebouria pauciflora (Scilla pauciflora)Bulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
Leia pineapple lilyEucomis 'Leia'Bulb
  • NC?
  • CVL
  • SC?
  • SI?
  • HD?
  • LD?
Minutes
lemon lilyLilium parryiBulb, California native
  • NCM
  • CV?
  • SC?
  • SIM
  • HDM
  • LDM
Minutes
leopard lily and Wiggins lilyLilium pardalinumBulb, California native
  • NCM
  • CVVL
  • SCM
  • SIL
  • HDM
  • LDM
Minutes
lilyLilium (garden hybrids)Bulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HDM
  • LDM
Minutes
little white soldiersDrimiopsis maculataBulb
  • NCM
  • CV?
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
long-rayed brodiaeaTriteleia peduncularisBulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
Maori onionBulbinella hookeriBulb
  • NCL
  • CV?
  • SCM
  • SIL
  • HD?
  • LD?
Minutes
Mariposa lilyCalochortus spp.Bulb, California native
  • NCL
  • CVL
  • SCVL
  • SIVL
  • HDVL
  • LDVL
Minutes
Mexican shell flowerTigridia pavoniaBulb
  • NCM
  • CV?
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
moraeaMoraea spp. (summer growing)Bulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
moraeaMoraea spp.(winter growing)Bulb
  • NCVL
  • CVVL
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
naked ladyAmaryllis belladonnaBulb
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HDL
  • LDL
MinutesGuide
Natal albucaAlbuca nelsoniiBulb
  • NCM
  • CV?
  • SCM
  • SIM
  • HD?
  • LD?
Minutes
nerineNerine spp. (summer growing)Bulb
  • NCM
  • CV?
  • SC?
  • SIM
  • HD?
  • LD?
Minutes
nerineNerine spp. (winter growing)Bulb
  • NCL
  • CVL
  • SCL
  • SIVL
  • HDM
  • LDM
Minutes
ornithogalumOrnithogalum regale (Galtonia regalis)Bulb
  • NC?
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
oxbaneBoophone distichaBulb
  • NC?
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
pampas lilyHabranthus robustus (Zephyranthes robusta)Bulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD×
  • LDM
Minutes
Persian cyclamenCyclamen persicum and hybrids (shade)Bulb
  • NCM
  • CVM
  • SCM
  • SIL
  • HD×
  • LD×
MinutesGuide
Persian ranunculusRanunculus spp. (winter growing)Bulb
  • NCL
  • CVM
  • SC×
  • SIVL
  • HDM
  • LDM
Minutes
Peruvian lilyAlstroemeria spp., hybrids & cvs.Bulb
  • NCM
  • CVL
  • SCL
  • SIL
  • HD?
  • LDM
Minutes
pineapple lilyEucomis autumnalisBulb
  • NCM
  • CV×
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
pineapple lilyEucomis bicolor hybridsBulb
  • NCM
  • CV?
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
poppy-flowered anemoneAnemone coronariaBulb
  • NCL
  • CVM
  • SC?
  • SIVL
  • HD?
  • LD?
MinutesGuide
red argentine amaryllisRhodophiala bifidaBulb, Arboretum All-Star
  • NCL
  • CVL
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
red clintoniaClintonia andrewsiana (shade)Bulb, California native
  • NCM
  • CV?
  • SC?
  • SI×
  • HD?
  • LD?
Minutes
river lilyHesperantha coccinea (Schizostylis)SHADEBulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HD×
  • LD?
Minutes
rose grassRhodohypoxis spp.Bulb
  • NCM
  • CV?
  • SCL
  • SIM
  • HD?
  • LD?
Minutes
rush leaved albucaAlbuca juncifoliaBulb
  • NC?
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
sand lilyVeltheimia capensisBulb
  • NCL
  • CV?
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
sea squillDrimia maritimaBulb
  • NCL
  • CVL
  • SCVL
  • SIVL
  • HD×
  • LD×
MinutesGuide
small yellow albucaAlbuca shawiiBulb
  • NCM
  • CV?
  • SC?
  • SI?
  • HD?
  • LD?
Minutes
soap plantChlorogalum pomeridianumBulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
spring star flowerIpheion uniflorumBulb
  • NCL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
star lilyToxicoscordion fremontii (Zigadenus fremontii)Bulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
star of BethlehemOrnithogalum arabicumBulb
  • NCL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
MinutesGuide
starfish irisFerraria crispaBulb
  • NCVL
  • CV?
  • SCL
  • SIVL
  • HD?
  • LD?
Minutes
stenomessonStenomesson miniatum (Urceolina)Bulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
stenomessonStenomesson variegatumBulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
summer hyacinthGaltonia candicansBulb
  • NCM
  • CV?
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
summer snowflakeLeucojum aestivumBulb
  • NCM
  • CVL
  • SCL
  • SIM
  • HD?
  • LD?
MinutesGuide
the queen amaryllisPhaedranassa carmioliBulb
  • NCM
  • CVM
  • SC?
  • SI?
  • HD?
  • LD?
Minutes
tritoniaTritonia spp.Bulb
  • NCL
  • CV?
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
tuberosePolianthes tuberosaBulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HDL
  • LDL
Minutes
urn flowerUrceolina urceolataBulb
  • NC?
  • CV?
  • SC?
  • SI?
  • HD?
  • LD?
violet squillLedebouria socialis (Scilla violacea)Bulb
  • NCM
  • CV?
  • SCL
  • SI?
  • HD?
  • LD?
Minutes
wallichianum lilyLilium wallichianumBulb
  • NCM
  • CV?
  • SC?
  • SI?
  • HDM
  • LDM
Minutes
water orchidCypella aquatilisBulb
  • NCH
  • CV?
  • SCM
  • SI?
  • HD?
  • LD?
Minutes
watsoniaWatsonia spp.Bulb
  • NCL
  • CVM
  • SCL
  • SIM
  • HDM
  • LDM
Minutes
white brodiaeaTriteleia hyacinthinaBulb, California native
  • NCVL
  • CVVL
  • SCVL
  • SIVL
  • HD?
  • LD?
Minutes
white rain lilyZephyranthes candidaBulb, Arboretum All-Star
  • NCM
  • CVL
  • SCM
  • SIL
  • HDL
  • LDM
MinutesGuide
yellow autumn crocusSternbergia luteaBulb, Arboretum All-Star
  • NCVL
  • CVVL
  • SCVL
  • SI?
  • HD?
  • LD?
Minutes
yellow cat tailBulbinella floribundaBulb
  • NCL
  • CVL
  • SCL
  • SIL
  • HD?
  • LD?
Minutes
yellow eyed grassSisyrinchium striatumBulb
  • NCM
  • CVM
  • SCL
  • SI?
  • HD×
  • LD×
Minutes
zephyr flowerZephyranthes spp.Bulb
  • NCM
  • CVM
  • SCM
  • SIM
  • HDL
  • LDM
Minutes
Photo credits, 118 images from Wikimedia Commons

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