14-16-109 TYPES AND LOCATION OF LANDSCAPING

A. With the exception of a single-family or a two-family dwelling on an individual lot and public parks, the landscaping on a lot or parcel shall meet the following criteria: 1. Each tree shall be planted and staked in accordance with the Standard Tree Planting Detail of this Title. 2. The first ten (10) feet of yard setback adjacent to any street shall be landscaped, except for approved driveways, walkways, and utility service areas. 3. Front yard trees shall be required along each street and any reverse frontage conditions. Front yard trees shall be located within the front and street side yard setbacks. Each tree shall be a minimum two (2) inch caliper and shall be planted at a minimum spacing of one (1) tree for every thirty-five (35) lineal feet of street frontage or fraction thereof over twenty (20) feet. 4. In addition to required front yard trees, each lot or parcel shall include the following: a. At least one (1) ornamental tree of at least one (1) inch caliper, and/or one (1) screening tree of at least two (2) inch caliper, for each i. Five hundred (500) square feet of required landscaping in developments that are two (2.0) acres or larger, or ii. Seven hundred fifty (750) square feet of required landscaping in all developments that are less than 2.0 acres in size; and b. At least one (1) shrub, minimum five (5) gallon, for each two hundred (200) square feet of required landscaping. c. Up to half of the required shrubs may be substituted for trees on a ten to one (10 to 1) basis. d. Screening trees as indicated in the Tree Selection List of this Chapter shall be planted at thirty (30) foot intervals inside property lines of each multi-family, commercial, institutional, or industrial use located within twenty (20) feet of a single-family residential development or zone. 5. Lawn areas in all developments shall not exceed twenty percent (20%) of the total landscape areas. B. The landscaping on a lot or parcel with a single-family or a two-family dwelling shall meet the following criteria: 1. Each tree shall be planted and staked in accordance with the Standard Tree Planting Detail of this Title. 2. Each lot or parcel shall have a minimum of two (2) front yard trees. 3. Front Yard trees shall be required along each street and any reverse frontage conditions. Front yard trees shall be located within the front or and street side yard setbacks. Each tree shall be a minimum one inch (1”) caliper and shall be planted at a minimum spacing of one (1) tree for every seventy (70) lineal feet of street frontage. 4. Within new single-family or two-family dwellings, lawn areas shall not exceed thirty-five percent (35%) of the total landscape areas in the front and side yards. 5. Lots/parcels without any lawn in the front yard shall have one (1) shrub for every two hundred (200) square feet of landscaped (non-impervious) area located within the front and street side yard setbacks. Trees can fulfill this requirement if they are not counted towards the front yard tree requirement. The land use authority may allow additional substitutions in the form of comparable live vegetation such as perennials, etc. 6. This section applies to new construction. C. Lawn shall not be installed in areas less than eight feet (8’) feet wide as measured at its narrowest point and/or on slopes greater than 25%. D. Live vegetation shall be selected from the Weber Basin Water Conservancy District recommended plant list. These plant materials are suitable for the local climate with respect to temperature ranges and moderate to high drought tolerance. The land use authority may allow substitutions if it is found similar in size, growth pattern, durability, desirability, and/or impact. E. Required deciduous tree caliper trunk shall be measured at a height of forty-eight inches (48") and coniferous trees shall have a minimum of forty-eight inches (48") in height. All heights to be measured from the finished landscape surface.