Ukiah Zoning Code § 9229.10 Required Parking Lot Trees (CA)

Table 24: Required Parking Lot Trees, identifies the tree species required to be planted in parking lots. Considerations for selection of the species to be planted include tree canopy size and type, drought tolerance, and tree height and spread, as well as site constraints, such as root confinement, overhead wires, and tree canopy restrictions.

A. Parking Lot Design Standards: The design requirements for parking lots are included in section 9228 of this code, Parking Standards and Procedures, Table 18: Open Parking Lot Design Standards.

B. Landscaping Standards: The landscaping standards that apply to all development are included in section 9225 of this code, Site and Building Development Standards, Table 10: Landscaping Standards for All Developments.

Table 24: Required Parking Lot Trees

Common Name Scientific Name	Average Height (feet)	Average Spread (feet)	Evergreen or Deciduous	Drought Tolerance	Native (Yes/No)	Canopy Type	Suitable for	Suitable for	Suitable for	Characteristics	Modificat to Stand
							Roots and Confined Spaces	Overhead Wires	Canopy and Confined Spaces

Chinese Elm Ulmus parvifolia ‘Dynasty’	40 ft.	40 ft.	Mostly evergreen	Moderate	No	Round	No	No	No	More rounded canopy than species. Needs training in youth	Minor Exception (2)
Ginkgo Biloba ‘Autumn Gold’	50 ft.	35 ft.	Deciduous	Yes	No	Oval	Yes	No	No	Male selection, golden fall color	Minor Exception (2)
London Sycamore Platanus acerfolia	50 ft.	40 ft.	Deciduous	Yes	No	Broadly pyramidal	Yes	No	No	Quick growth. Tolerates urban smog, dust, reflected heat	Minor Exception (2)
Mulberry Morus alba ‘Kingan’ or ‘Fan-San’	30 ft.	45 ft.	Deciduous	Yes	No	Spreading	No	Moderate	No	Quick growth. Surface rooted	Minor Exception (2)
Oak, Interior Live Quercus wislizenii	35 ft.	40 ft.	Evergreen	Yes	Yes	Round	Yes	No	No	Moderate growth rate. Long lived	Minor Exception (2)
Oak, Red Quercus rubra	50 ft.	45 ft.	Deciduous	Moderate	No	Round	Yes	No	No	Quick growth. Great fall color	Minor Exception (2)

Suitable for Common Name Roots Canopy Average Average Evergreen and and Scientific Height Spread or Drought Native Canopy Confined Overhead Confined Modificat Name (feet) (feet) Deciduous Tolerance (Yes/No) Type Spaces Wires Spaces Characteristics to Stand

Zoning Administrator approval of a minor exception is required to use a tree species from Table 25: Alternate Parking Lot Trees.
Planning Commission approval of a major exception is required for use of a tree species not included in Table 24 or Table 25.

(Ord. 1139, §2 (Exh. A, 10.110), adopted 2012)