yampahPerideridia kelloggiiPerennial, California native- NCM
- CVL
- SC?
- SIVL
- HD?
- LD?
Plants starting with Y: 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.
yampahPerideridia kelloggiiPerennial, California native
yanchep roseDiplolaena angustifolia 'Orange Urchin'Shrub- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
Yankee Point ceanothusCeanothus thyrsiflorus var. griseus 'Yankee Point'Shrub, California native- NCL
- CVL
- SCL
- SIM
- HD×
- LD×
yarrowAchillea millefolium (CA native cultivars)Ground cover, Perennial, California native- NCL
- CVL
- SCL
- SIL
- HDL
- LDL
yarrow (non-native hybrids)Achillea millefolium (non-native hybrids)Ground cover, Perennial- NCL
- CVL
- SCL
- SIL
- HDL
- LDL
yauponIlex vomitoria ssp. & cvs.Shrub- NCM
- CVM
- SCL
- SIL
- HDM
- LDM
yawning penstemonKeckiella brevifloraShrub, California native- NCL
- CVL
- SCVL
- SIL
- HD?
- LD?
Yeddo hawthorneRhaphiolepis umbellata and cvs.Shrub- NCL
- CVL
- SCL
- SIM
- HDM
- LDM
yellow anise treeIllicium parviflorumShrub- NCM
- CV?
- SC?
- SI×
- HD?
- LD?
yellow archangelLamiastrum galeobdolonGround cover, Perennial- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
- NCVL
- CVVL
- SCVL
- SI?
- HD?
- LD?
yellow bellAllamanda nerifoliaShrub- NC×
- CV×
- SCM
- SI×
- HD?
- LD?
yellow bell bauhiniaBauhinia tomentosaShrub- NC×
- CV×
- SCM
- SI?
- HD?
- LD×
yellow bellsTecoma Crimson Flare (TM)Shrub- NCL
- CV×
- SCL
- SIL
- HDM
- LDM
yellow bellsTecoma stans ssp. & cvs.Shrub, Tree- NCL
- CV×
- SCL
- SIL
- HDL
- LDM
yellow bird magnoliaMagnolia x YellowbirdTree- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
yellow butterfly gingerHedychium flavumPerennial- NCM
- CV×
- SCH
- SIM
- HD×
- LD×
yellow cat tailBulbinella floribundaBulb- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
yellow eyed flame peaChorizema dicksoniiShrub- NCM
- CV?
- SCL
- SI?
- HD?
- LD?
yellow eyed grassSisyrinchium striatumBulb- NCM
- CVM
- SCL
- SI?
- HD×
- LD×
yellow flaxReinwardtia indicaShrub- NCH
- CV?
- SCM
- SI?
- HD?
- LD?
yellow flowered mossDraba oligospermaGround cover, California native- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
yellow germanderTeucrium flavumShrub- NCL
- CVL
- SC?
- SIL
- HD?
- LD?
yellow gingerHedychium flavescensPerennial- NCM
- CV×
- SCH
- SIH
- HD×
- LD×
yellow gooseberryRibes quercetorumShrub, California native- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
- NCL
- CV?
- SC?
- SI?
- HD?
- LD?
yellow jugflowerAdenanthos detmoldii 'Metallica'Shrub- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
- NC?
- CV?
- SCL
- SIM
- HD?
- LD?
yellow mallowPavonia praemorsaShrub- NC?
- CV?
- SCL
- SI?
- HD?
- LD?
yellow oleanderThevetia peruvianaShrub, Tree- NC×
- CV×
- SCL
- SIM
- HD×
- LDM
yellow orchid vineCallaeum macropterum (Mascagnia)Vine- NCL
- CV?
- SCL
- SI?
- HD?
- LDM
yellow orchid vineMascagnia macropteraVine- NCL
- CV?
- SCL
- SI?
- HD?
- LDM
yellow penstemonKeckiella antirrhinoidesShrub, California native- NCL
- CVL
- SCL
- SIL
- HD×
- LD×
yellow plume flowerJusticia aureaShrub- NC?
- CV?
- SCH
- SIH
- HD?
- LD?
yellow rock roseHalimium atriplicifoliumShrub- NCL
- CV?
- SCL
- SI×
- HD?
- LD?
yellow rock roseHalimium lasianthumShrub- NCL
- CVL
- SCL
- SI?
- HD?
- LD?
yellow rock roseHalimium ocymoidesShrub- NCL
- CV?
- SCL
- SI?
- HD?
- LD?
yellow sand verbenaAbronia latifoliaPerennial, California native- NCVL
- CVVL
- SCVL
- SI×
- HD?
- LD?
yellow stachysStachys chrysanthaPerennial- NCL
- CV?
- SCL
- SI?
- HD?
- LD×
Yellow Trumpet BushTecoma 'Sun Trumpets Yellow'Shrub- NCL
- CVL
- SCL
- SIL
- HD?
- LDM
yellow trumpet vineAnemopaegma chamberlayniiVine- NC?
- CV?
- SCM
- SIM
- HD×
- LD×
yellow waxbellsKirengeshoma koreanaPerennial- NCH
- CV?
- SC?
- SI×
- HD?
- LD?
yellow waxbellsKirengeshoma palmataPerennial- NCH
- CV?
- SC?
- SI×
- HD?
- LD?
yellow woodCladrastis kentukeaTree- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
yellow woodPodocarpus latifoliusTree- NCM
- CV?
- SCM
- SI×
- HD×
- LD×
yellowwoodAfrocarpus falcatus (Podocarpus falcatus)Tree- NCM
- CV?
- SCM
- SIM
- HD?
- LDM
yerba buenaClinopodium douglasii (Satureja douglasii)Perennial, California native- NCL
- CVM
- SCM
- SIL
- HD?
- LD?
yerba mansaAnemopsis californicaGround cover, Perennial, California native- NCH
- CVM
- SCM
- SIM
- HDH
- LD?
yesterday today and tomorrowBrunfelsia pauciflora (Brunfelsia macrantha)Shrub- NCM
- CVM
- SCM
- SIM
- HD×
- LDH
yew (media cvs.)Taxus x media cvs.Tree- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
yew pinePodocarpus macrophyllusShrub, Tree- NCM
- CVM
- SCM
- SIM
- HDM
- LDM
York gumEucalyptus loxophlebaTree- NC?
- CVVL
- SC?
- SIVL
- HD×
- LD×
Yuan Shan hardy scheffleraSchefflera taiwaniana 'Yuan Shan'Shrub- NCM
- CV?
- SC?
- SI?
- HD?
- LD?
yuccaHesperoyucca spp. (Yucca whipplei, Yucca californica)Shrub, Succulent, California native- NCL
- CVL
- SCVL
- SIL
- HDL
- LDL
Yulan magnoliaMagnolia denudataTree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Yunan luculiaLuculia intermediaShrub- NCM
- CV?
- SC?
- SI×
- HD?
- LD?
Yunan magnoliaMagnolia laevifolia (Michelia yunnanensis)Tree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Photo credits, 54 images from Wikimedia Commons
- yampah: John Rusk from Berkeley, CA, United States of America, CC BY 2.0 (licence)
- yanchep rose: Kevin Thiele from Perth, Australia, CC BY 2.0 (licence)
- Yankee Point ceanothus: Consultaplantas, CC BY-SA 4.0 (licence)
- yarrow: O. Pichard, CC BY-SA 3.0 (licence)
- yarrow (non-native hybrids): Ayotte, Gilles, 1948-, CC BY-SA 4.0 (licence)
- yaupon: Luteus, CC BY 3.0 (licence)
- yawning penstemon: tomhilton, CC BY 2.0 (licence)
- Yeddo hawthorne: Frank Schulenburg, CC BY-SA 3.0 (licence)
- yellow anise tree: Arria Belli (Arria Belli), CC BY-SA 2.0 (licence)
- yellow archangel: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- yellow bell: Ngocnk2, CC BY-SA 3.0 (licence)
- yellow bell bauhinia: J.M.Garg, CC BY-SA 4.0 (licence)
- yellow bells: Filo gèn', CC BY-SA 4.0 (licence)
- yellow bells: Filo gèn', CC BY-SA 4.0 (licence)
- yellow bird magnolia: Idéalités, CC BY 4.0 (licence)
- yellow butterfly ginger: Daderot, Public domain
- yellow cat tail: 阿橋 HQ, CC BY-SA 2.0 (licence)
- yellow eyed flame pea: Kevin Thiele from Perth, Australia, CC BY 2.0 (licence)
- yellow eyed grass: Hectonichus, CC BY-SA 3.0 (licence)
- yellow flax: JMK, CC BY-SA 3.0 (licence)
- yellow flowered moss: JW Stockert, Public domain
- yellow germander: Franz Xaver, CC BY-SA 3.0 (licence)
- yellow ginger: Wilder Mendez aka. Lezumbalaberenjena at English Wikipedia, Public domain
- yellow gooseberry: Daderot, CC0 (licence)
- yellow jugflower: Kevin Thiele from Perth, Australia, CC BY 2.0 (licence)
- yellow mallow: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- yellow oleander: J.M.Garg, CC BY-SA 3.0 (licence)
- yellow orchid vine: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- yellow orchid vine: Daniel Alexander Carrillo Mtz, CC BY 4.0 (licence)
- yellow penstemon: Stickpen, Public domain
- yellow plume flower: Forest & Kim Starr, CC BY 3.0 (licence)
- yellow rock rose: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 (licence)
- yellow rock rose: Ghislain118 http://www.fleurs-des-montagnes.net, CC BY-SA 3.0 (licence)
- yellow rock rose: Javier martin, CC BY-SA 3.0 (licence)
- yellow sand verbena: Eric in SF, CC BY-SA 3.0 (licence)
- yellow stachys: Daderot, CC0 (licence)
- Yellow Trumpet Bush: Maina Tudu, CC0 (licence)
- yellow trumpet vine: Mulberry24, CC BY 2.0 (licence)
- yellow waxbells: User:SB_Johnny, CC BY-SA 3.0 (licence)
- yellow waxbells: KENPEI, CC BY-SA 3.0 (licence)
- yellow wood: Ulf Eliasson, CC BY 2.5 (licence)
- yellow wood: Abu Shawka, Public domain
- yellowwood: Forest and Kim Starr, CC BY 3.0 us (licence)
- yerba buena: Gordon Leppig & Andrea J. Pickart, Public domain
- yerba mansa: Calibas, Public domain
- yesterday today and tomorrow: SAplants, CC BY-SA 4.0 (licence)
- yew (media cvs.): Athantor, CC BY-SA 4.0 (licence)
- yew pine: Greg Hume, CC BY-SA 3.0 (licence)
- York gum: Casliber, CC BY-SA 3.0 (licence)
- Yuan Shan hardy schefflera: Steve Law, CC BY-SA 2.0 (licence)
- yucca: Rebou, CC BY-SA 3.0 (licence)
- Yulan magnolia: The original uploader was Yongxinge at English Wikipedia., CC BY-SA 3.0 (licence)
- Yunan luculia: Emőke Dénes, CC BY-SA 4.0 (licence)
- Yunan magnolia: Peter Corbett from Cambridge, England, CC BY 2.0 (licence)
.jpg){kind=link}
.jpg){kind=link}
.jpg){kind=link}
_in_Hyderabad,_AP_W_IMG_9479.jpg){kind=link}
_01.jpg){kind=link}
_02.jpg){kind=link}
.jpg){kind=link}
_leaves_%26_flowers_in_Kolkata_W_IMG_8008.jpg){kind=link}
.jpg){kind=link}
.jpg){kind=link}
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