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Chapter 2ݤ9229 TREE PRESERVATION AND PLANTING REQUIREMENTS

§9229.10 REQUIRED PARKING LOT TREES

Ukiah Zoning Code · 2026-07 edition · updated 2026-07-07 · Ukiah

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

  1. Zoning Administrator approval of a minor exception is required to use a tree species from Table 25: Alternate Parking Lot Trees.

  2. 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)

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▸ Contents — Ukiah Zoning Code
Ukiah Zoning Code
  1. Chapter 2
  2. ▸ Chapter 2
    Overview
    1. §9055 PURPOSE AND INTENT
    2. §9056 PURPOSE AND INTENT
    3. §9057 PURPOSE AND INTENT
    4. §9058 PURPOSE
    5. §9067.5 LOT COVERAGE
    6. §9135 PURPOSE AND INTENT
    7. §9170 PURPOSE AND INTENT
    8. §9174 PURPOSE
    9. §9220 PURPOSE
    10. §9221 APPLICABILITY
    11. §9222 ZONING
    12. §9223 BUILDING AND SITE USES
    13. §9224 STANDARDS FOR SPECIFIC LAND USES
    14. §9225 SITE AND BUILDING DEVELOPMENT STANDARDS
    15. §9227 HISTORICAL BUILDING STANDARDS
    16. §9228.1 PARKING REQUIRED
    17. §9228.2 NUMBER OF PARKING SPACES REQUIRED
    18. §9228.3 REDUCTION OF REQUIRED VEHICLE PARKING
    19. §9228.4 EXCESS PARKING
    20. §9228.5 LOCATION OF REQUIRED VEHICLE PARKING
    21. §9228.6 PARKING STALLS AND DRIVE AISLES
    22. ▸ §9229 TREE PRESERVATION AND PLANTING REQUIREMENTS
      Overview
      1. §9229.1 PURPOSE
      2. §9229.2 APPLICABILITY
      3. §9229.3 TREE PRESERVATION
      4. §9229.4 PLANTING REQUIREMENTS
      5. §9229.5 STREET TREE DESIGN PRINCIPLES
      6. §9229.6 USE OF ALTERNATE TREE SPECIES
      7. §9229.7 REQUIRED STREET TREES
      8. §9229.8 ALTERNATE STREET TREES FOR PRIMARY STREETS
      9. §9229.9 REQUIRED STREET TREES FOR NONPRIMARY STREETS
      10. §9229.10 REQUIRED PARKING LOT TREES
      11. §9229.11 ALTERNATE PARKING LOT TREES
      12. §9229.12 REQUIRED RIPARIAN TREES
    23. §9230 CIRCULATION STANDARDS
    24. §9231 ADMINISTRATION AND PROCEDURES
    25. §9232 GLOSSARY

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