quaking aspenPopulus tremuloidesTree, California native- NCM
- CV×
- SC×
- SI×
- HD×
- LD×
Plants starting with Q: 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.
quaking aspenPopulus tremuloidesTree, California native
quaking grassBriza mediaOrnamental grass- NCL
- CVL
- SCL
- SIL
- HD?
- LD?
quebrachoSenna candolleanaShrub- NC?
- CV?
- SC?
- SI?
- HD?
- LD?
Queen of ShebaPodranea bryceiVine- NC?
- CV?
- SCM
- SIM
- HD?
- LD?
queen of the meadowFilipendula ulmariaPerennial- NCH
- CV?
- SC?
- SI×
- HD?
- LD?
Queen of White Thread-leaf AgaveAgave schidigera & ssp & cvs.Succulent- NCVL
- CVVL
- SCL
- SIVL
- HDVL
- LDVL
queen palmSyagrus romanzoffiana (Arecastrum romanzoffianum)Tree, Palm or cycad- NCL
- CVM
- SCM
- SIM
- HDM
- LDM
Queen Victoria AgaveAgave victoriae-reginaeSucculent- NCVL
- CVVL
- SCL
- SIVL
- HDL
- LDL
Queen Victoria AgaveAgave victoriae-reginae 'Compacta'Succulent- NCVL
- CVVL
- SCL
- SIVL
- HDVL
- LDVL
queen's tears etc.Billbergia spp. (SHADE)Perennial- NCM
- CVL
- SCM
- SIM
- HD×
- LD×
queen's wreathPetrea volubilisVine- NCM
- CV×
- SCM
- SIM
- HD?
- LD?
Queensland bottle treeBrachychiton rupestrisTree- NC×
- CV×
- SCL
- SIL
- HD×
- LDM
Queensland kauriAgathis robustaTree- NCM
- CV×
- SCM
- SIM
- HD×
- LD×
Queensland lace barkBrachychiton discolorTree- NCM
- CV×
- SCL
- SIM
- HD×
- LD×
Queensland pittosporumPittosporum rhombifoliumTree- NCM
- CV×
- SCM
- SIM
- HD×
- LD×
- NCM
- CV?
- SCM
- SI?
- HD?
- LD?
Queensland umbrella treeSchefflera actinophylla (Brassaia actinophylla)Shrub, Tree- NC×
- CV×
- SCM
- SI×
- HD×
- LDM
QuinceCydonia oblongaShrub, Tree- NCL
- CVL
- SCM
- SIL
- HD?
- LD?
Photo credits, 17 images from Wikimedia Commons
- quaking aspen: Scott Catron, CC BY 2.5 (licence)
- quaking grass: Averater, CC BY-SA 3.0 (licence)
- quebracho: Pato Novoa from Valparaíso, Chile, CC BY-SA 2.0 (licence)
- Queen of Sheba: Primejyothi, CC BY-SA 3.0 (licence)
- queen of the meadow: Sten Porse, CC BY-SA 3.0 (licence)
- Queen of White Thread-leaf Agave: Stan Shebs, CC BY-SA 3.0 (licence)
- queen palm: Forest & Kim Starr, CC BY 3.0 (licence)
- Queen Victoria Agave: Brian Gratwicke, CC BY 2.0 (licence)
- Queen Victoria Agave: Photo by and (c)2006 Derek Ramsey (Ram-Man). Location credit to the Chanticle..., CC BY-SA 3.0 (licence)
- queen's tears etc.: Original uploader was Moriori at en.wikipedia, Public domain
- queen's wreath: Rolf Engstrand, CC BY-SA 3.0 (licence)
- Queensland bottle tree: Amos T Fairchild, CC BY-SA 3.0 (licence)
- Queensland kauri: Steve Fitzgerald, CC BY-SA 4.0 (licence)
- Queensland lace bark: SAplants, CC BY-SA 4.0 (licence)
- Queensland pittosporum: RuthP, CC BY-SA 2.0 (licence)
- Queensland umbrella tree: Steve Fitzgerald, CC BY-SA 4.0 (licence)
- Quince: Fir0002 at English Wikipedia, 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