yellow bellsTecoma stans ssp. & cvs.Shrub, Tree- NCL
- CV×
- SCL
- SIL
- HDL
- LDM
Trees 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.
Page 5 of 5: yellow bells to Yunan magnolia.
yellow bellsTecoma stans ssp. & cvs.Shrub, Tree
yellow bird magnoliaMagnolia x YellowbirdTree- NCM
- CVM
- SCM
- SI?
- HD?
- LD?
yellow oleanderThevetia peruvianaShrub, Tree- NC×
- CV×
- SCL
- SIM
- HD×
- LDM
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
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×
Yulan magnoliaMagnolia denudataTree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Yunan magnoliaMagnolia laevifolia (Michelia yunnanensis)Tree- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Photo credits, 11 images from Wikimedia Commons
- yellow bells: Filo gèn', CC BY-SA 4.0 (licence)
- yellow bird magnolia: Idéalités, CC BY 4.0 (licence)
- yellow oleander: J.M.Garg, 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)
- 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)
- Yulan magnolia: The original uploader was Yongxinge at English Wikipedia., CC BY-SA 3.0 (licence)
- Yunan magnolia: Peter Corbett from Cambridge, England, 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