jacarandaJacaranda mimosifolia ssp. & cvs.Tree- NCM
- CVL
- SCL
- SIM
- HD?
- LDM
Plants starting with J: 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.
jacarandaJacaranda mimosifolia ssp. & cvs.Tree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Jack treeSinojackia xylocarpaTree- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
Jackman clematisClematis jackmaniiVine- NCM
- CVM
- SCH
- SIH
- HD?
- LD?
Jacob's ladderPolemonium spp.Perennial- NCH
- CVH
- SCM
- SIM
- HD?
- LD?
Jacob's rod/kings spearAsphodeline luteaPerennial- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
Japanese anemoneAnemone hupehensis var. japonica (SHADE)Perennial- NCM
- CVM
- SCM
- SIM
- HD×
- LD×
Japanese anemoneAnemone X hybridaPerennial- NCM
- CVM
- SCM
- SIM
- HD×
- LD×
Japanese apricotPrunus mumeTree- NCL
- CVM
- SCM
- SI?
- HD?
- LD?
Japanese araliaFatsia japonica (SHADE)Shrub- NCM
- CVL
- SCM
- SIM
- HD×
- LDM
Japanese ardesia, marlberryArdisia japonicaGround cover- NCM
- CV×
- SCH
- SI×
- HD×
- LD×
Japanese aucubaAucuba japonica (SHADE)Shrub- NCM
- CVM
- SCM
- SIM
- HD×
- LDM
Japanese bamboo fernConiogramme japonicaPerennial- NC?
- CV?
- SCH
- SI?
- HD?
- LD?
Japanese barberryBerberis thunbergii & ssp. & cvs.Shrub- NCM
- CVM
- SCL
- SIM
- HDH
- LDH
Japanese beech fernThelypteris decursive-pinnataPerennial- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Japanese black pinePinus thunbergiiTree- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
Japanese blueberry treeElaeocarpus decipiensTree- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
Japanese bottlebrushSanguisorba obtusaPerennial- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Japanese boxwoodBuxus microphylla japonicaShrub- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
Japanese cryptomeriaCryptomeria japonica ssp. & cvs.Shrub, Tree- NCM
- CVM
- SCH
- SIM
- HD?
- LD?
Japanese dogwoodCornus kousaTree- NCM
- CVM
- SC×
- SI×
- HD×
- LD×
Japanese emperor oakQuercus dentataTree- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Japanese holly fernCyrtomium falcatumPerennial, Arboretum All-Star- NCM
- CVL
- SCM
- SIM
- HD?
- LD?
Japanese honeysuckleLonicera japonicaGround cover, Vine- NCM
- CVM
- SCL
- SIL
- HDM
- LDM
Japanese hornbeamCarpinus japonicaTree- NCM
- CV?
- SC?
- SI×
- HD?
- LD?
Japanese hydrangea vineSchizophragma hydrangeoidesVine- NCM
- CV?
- SC×
- SI?
- HD?
- LD?
Japanese irisIris ensataPerennial- NCH
- CVH
- SCH
- SIH
- HD?
- LD?
Japanese knotweedFallopia japonica (potentially invasive weed)Perennial- NCL
- CV?
- SC×
- SI?
- HD?
- LD?
Japanese lace fernPolystichum polyblepharumPerennial- NCM
- CVH
- SCH
- SIH
- HD?
- LD?
Japanese larchLarix kaempferiTree- NCM
- CV?
- SC×
- SI×
- HD?
- LD?
Japanese mapleAcer palmatumTree- NCM
- CVM
- SCM
- SIH
- HD×
- LD×
- NCH
- CVH
- SC?
- SI?
- HD×
- LD×
Japanese pagoda treeStyphnolobium japonicum (Sophora japonica)Tree- NCL
- CVL
- SCM
- SIM
- HDM
- LDM
Japanese persimmonDiospyros kakiTree- NCL
- CVM
- SCM
- SIM
- HDM
- LDM
Japanese photiniaPhotinia glabraShrub- NCM
- CV?
- SCM
- SIM
- HD?
- LD?
Japanese plum yewCephalotaxus harringtonia & ssp. & cvs.Shrub- NCM
- CVM
- SC?
- SI?
- HD?
- LD?
Japanese privetLigustrum japonicumShrub- NCM
- CVL
- SCM
- SIM
- HDM
- LDM
- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Japanese red pinePinus densifloraTree- NCM
- CVM
- SC×
- SIM
- HD×
- LD×
Japanese roseKerria japonicaShrub- NCM
- CVM
- SC?
- SIM
- HDM
- LD?
Japanese roseRosa rugosaShrub- NCL
- CVM
- SCM
- SIM
- HDM
- LDM
Japanese sedgeCarex oshimensis & ssp. & cvs.Perennial- NCM
- CVL
- SCM
- SI?
- HD?
- LD?
Japanese silver treeNeolitsea sericaTree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Japanese skimmiaSkimmia japonicaShrub- NCM
- CVM
- SC×
- SI×
- HD×
- LD×
Japanese snowball/doublefileViburnum plicatumShrub- NCM
- CVM
- SCM
- SIM
- HD×
- LD×
Japanese snowbellStyrax japonicusTree- NCM
- CVM
- SC×
- SI×
- HDM
- LD×
Japanese spurgePachysandra terminalisGround cover- NCM
- CVM
- SCM
- SI×
- HD×
- LD×
Japanese stewartiaStewartia pseudocamelliaTree- NCM
- CV×
- SC×
- SI×
- HD×
- LD×
Japanese ternstroemiaTernstroemia gymnantheraShrub- NCM
- CVM
- SCM
- SIM
- HD?
- LD×
Japanese umbrella pineSciadopitys verticillataTree- NCM
- CVM
- SCM
- SI×
- HD×
- LD×
Japanese viburnumViburnum japonicumShrub- NCM
- CVM
- SCM
- SIM
- HD?
- LD?
Japanese white pinePinus parvifloraTree- NCM
- CVM
- SC×
- SI×
- HD?
- LD×
Japanese yewTaxus cuspidataTree- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
jasmine (beesianum)Jasminum beesianumShrub, Vine- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
jasmine (leratii)Jasminum leratiiVine- NCM
- CV?
- SCM
- SIM
- HD×
- LD×
Jeffer's bottlebrushCallistemon 'Jeffers'Shrub- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
Jeffrey pinePinus jeffreyiTree, California native- NCL
- CVL
- SC×
- SI×
- HD×
- LD×
Jelecote pinePinus patulaTree- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
Jerusalem sagePhlomis fruticosaShrub- NCL
- CVL
- SCL
- SIL
- HDM
- LDM
jewels of OparTalinum paniculatumPerennial- NC?
- CV?
- SCL
- SIM
- HD?
- LD?
Joan Mirov ceanothusCeanothus 'Joan Mirov'Shrub, California native- NCL
- CVL
- SCL
- SI×
- HD×
- LD×
John Dourley manzanitaArctostaphylos 'John Dourley'Shrub, California native- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
jojobaSimmondsia chinensis ssp. & cvs.Shrub, California native- NCVL
- CVL
- SCVL
- SIL
- HDL
- LDL
Jones bush mallowMalacothamnus jonesiiShrub, California native- NCL
- CV?
- SCVL
- SIL
- HD?
- LD?
Joshua treeYucca brevifoliaShrub, Succulent, California native- NCVL
- CV×
- SC×
- SIVL
- HDVL
- LDVL
Joyce Coulter ceanothusCeanothus 'Joyce Coulter'Ground cover, California native- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
jubilee wallflowerErysimum 'Jubilee'Perennial- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
Judas treeCercis siliquastrumShrub, Tree- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
Judd viburnumViburnum x juddiiShrub- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
- NC?
- CVL
- SCL
- SI?
- HD?
- LD?
Julia Phelps ceanothusCeanothus 'Julia Phelps'Shrub, California native- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
June grassKoeleria macrantha (cristata)Ornamental grass, California native- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
jungle geraniumIxora coccineaShrub- NC?
- CV×
- SCH
- SI?
- HD×
- LDM
juniperJuniperus spp. & cvs.Ground cover, Shrub, Tree- NCL
- CVL
- SCL
- SIL
- HDM
- LDM
justicia (leonardii)Justicia leonardiiShrub- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Photo credits, 71 images from Wikimedia Commons
- jacaranda: Kahuroa, Public domain
- Jack tree: Denis.prévôt, CC BY-SA 3.0 (licence)
- Jackman clematis: Bernard Spragg. NZ from Christchurch, New Zealand, CC0 (licence)
- Jacob's ladder: Kurt Stüber, CC BY-SA 3.0 (licence)
- Jacob's rod/kings spear: Franz Xaver, CC BY-SA 3.0 (licence)
- Japanese anemone: Kuruman from Tokyo, Japan, CC BY 2.0 (licence)
- Japanese anemone: Digigalos, CC BY-SA 3.0 (licence)
- Japanese apricot: Kakidai, CC BY-SA 3.0 (licence)
- Japanese aralia: Fernando Losada Rodríguez, CC BY-SA 4.0 (licence)
- Japanese ardesia, marlberry: Hamachidori, CC BY-SA 3.0 (licence)
- Japanese aucuba: Callum1234, Public domain
- Japanese bamboo fern: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- Japanese barberry: Alpsdake, CC BY-SA 4.0 (licence)
- Japanese beech fern: Keisotyo, CC BY-SA 4.0 (licence)
- Japanese black pine: Original: Yuniko, this edit: MPF, CC BY-SA 3.0 (licence)
- Japanese blueberry tree: Lichinga, CC BY-SA 4.0 (licence)
- Japanese bottlebrush: Qwert1234, CC BY-SA 3.0 (licence)
- Japanese boxwood: Agnieszka Kwiecień, Nova, CC BY-SA 4.0 (licence)
- Japanese cryptomeria: Yosemite, CC BY-SA 3.0 (licence)
- Japanese dogwood: Famartin, CC BY-SA 4.0 (licence)
- Japanese emperor oak: user:Salvor, Public domain
- Japanese holly fern: Stan Shebs, CC BY-SA 3.0 (licence)
- Japanese honeysuckle: Victor M. Vicente Selvas, CC BY-SA 3.0 (licence)
- Japanese hornbeam: Bruce Marlin, CC BY 3.0 (licence)
- Japanese hydrangea vine: Qwert1234, CC BY-SA 4.0 (licence)
- Japanese iris: Dr. Alexey Yakovlev, CC BY-SA 2.0 (licence)
- Japanese knotweed: KENPEI, CC BY-SA 3.0 (licence)
- Japanese lace fern: harum.koh from Kobe city, Japan, CC BY-SA 2.0 (licence)
- Japanese larch: Tanaka Juuyoh, CC BY 2.0 (licence)
- Japanese maple: Kurt Stüber, CC BY-SA 3.0 (licence)
- Japanese pagoda tree: Jean-Pol GRANDMONT, CC BY 3.0 (licence)
- Japanese persimmon: Sphl, CC BY-SA 3.0 (licence)
- Japanese photinia: KENPEI, CC BY-SA 3.0 (licence)
- Japanese plum yew: Qwert1234, CC BY-SA 3.0 (licence)
- Japanese privet: José Luis Gálvez, CC BY-SA 2.5 (licence)
- Japanese red pine: Dalgial, CC BY-SA 3.0 (licence)
- Japanese rose: Syced, CC0 (licence)
- Japanese rose: Vihljun, Public domain
- Japanese sedge: Photo by David J. Stang, CC BY-SA 4.0 (licence)
- Japanese silver tree: KENPEI, CC BY-SA 3.0 (licence)
- Japanese skimmia: Kurt Stüber, CC BY-SA 3.0 (licence)
- Japanese snowball/doublefile: Wouter Hagens, Public domain
- Japanese snowbell: Dalgial, CC BY-SA 3.0 (licence)
- Japanese spurge: Kurt Stüber, CC BY-SA 3.0 (licence)
- Japanese stewartia: Richard Bonnett, CC BY 2.0 (licence)
- Japanese ternstroemia: KENPEI, CC BY-SA 3.0 (licence)
- Japanese umbrella pine: Ty19080914, CC BY-SA 4.0 (licence)
- Japanese viburnum: KENPEI, CC BY-SA 3.0 (licence)
- Japanese white pine: belvedere04, CC BY 4.0 (licence)
- Japanese yew: Dalgial, CC BY-SA 3.0 (licence)
- jasmine (beesianum): A. Barra, CC BY-SA 3.0 (licence)
- jasmine (leratii): Rajasekhar1961, CC BY-SA 4.0 (licence)
- Jeffer's bottlebrush: Kurt Stüber, CC BY-SA 3.0 (licence)
- Jeffrey pine: Jhodlof, Public domain
- Jelecote pine: tereso30, CC BY 4.0 (licence)
- Jerusalem sage: Jean-Pol GRANDMONT, CC BY-SA 3.0 (licence)
- jewels of Opar: SAplants, CC BY-SA 4.0 (licence)
- Joan Mirov ceanothus: APictche, CC BY-SA 4.0 (licence)
- John Dourley manzanita: Stickpen, Public domain
- jojoba: Stan Shebs, CC BY-SA 3.0 (licence)
- Jones bush mallow: Stickpen, Public domain
- Joshua tree: Jarek Tuszyński, CC BY-SA 3.0 (licence)
- Joyce Coulter ceanothus: John Rusk from Berkeley, CA, United States of America, CC BY 2.0 (licence)
- jubilee wallflower: Kurt Stüber, CC BY-SA 3.0 (licence)
- Judas tree: Zeynel Cebeci, CC BY-SA 4.0 (licence)
- Judd viburnum: Humoyun Mehridinov, CC BY-SA 4.0 (licence)
- Julia Phelps ceanothus: John Rusk from Berkeley, CA, United States of America, CC BY 2.0 (licence)
- June grass: Don Pedro28, CC BY-SA 3.0 (licence)
- jungle geranium: UpstateNYer, CC BY-SA 3.0 (licence)
- juniper: Júlio Reis (Tintazul), CC BY-SA 2.5 (licence)
- justicia (leonardii): Dick Culbert from Gibsons, B.C., Canada, CC BY 2.0 (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