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spreading, or hydroseeding. A good quality straw mulch shall be applied at a rate not less than <br />4,000 pounds per acre on all slopes of four to one or greater, then anchored using disks or netting. <br />(4) A mixture of deciduous and coniferous trees, at an average density not less than ten per acre, <br />shall be planted at areas of the property owner's choice. These trees may be grouped into stands <br />for the purposes of erosion control, buffering, or wildlife habitat. No more than 20 percent of the <br />trees planted to meet this requirement shall be of the same species. <br />(5) Vegetative Buffering. When required, vegetative buffering shall interrupt the view of the objects <br />being buffered from public road rights-of-way and adjacent property. No more than 15 lineal feet <br />of the object being buffered shall be visible from public road rights-of-way and adjacent properties <br />without a vegetative interruption extending from the base of the object to a minimum height of six <br />feet. Coniferous and deciduous trees and shrubs may be used to fulfill this requirement. <br />(s) Sizes of plantings. Plantings, except for site restoration activities in the rural development area, must <br />be of the size indicated in this subsection, and meet the American Standard for Nursery Stock <br />published by the American Association of Nurserymen. Bare root plants may be allowed if specifically <br />approved as part of the site development plan, otherwise all plants must be balled and burlaped, or <br />container grown. <br />(1) Overstory deciduous trees: 2.5 -inch caliper <br />(2) Coniferous trees: six feet in height. <br />(3) Shrubs: <br />a. Deciduous shrubs: three -gallon pot. <br />b. Coniferous shrubs: five -gallon pot. <br />(4) Ornamental trees: 1.5 -inch caliper. <br />(t) Minimum installation requirements. Minimum installation requirements are that: <br />(1) All deciduous and coniferous trees shall be staked and guyed per national nurseryman's <br />standards. Deciduous trees shall have branches trimmed to a point six feet above the ground. <br />(2) Adequate fertilizer, water, and mulch shall be provided to ensure plant survival and successful <br />growth. Plantings shall be inspected at least bi-weekly during the first growing season, with dead <br />and severely damaged plants replaced as needed. <br />(3) All open areas shall be sodded over four inches of topsoil. <br />(4) Undisturbed areas and wetlands containing natural vegetation may be maintained if they are free <br />from foreign and noxious materials. <br />(u) Table of landscaping materials. Property owners are responsible to ensure that landscaping is <br />maintained in an attractive condition free from invasive and noxious weeds and materials, as defined <br />by the state department of natural resources. The owner shall replace any required vegetation within <br />two years of planting, including damaged or dead trees, shrubs, ground covers, and sodding. Blue <br />grass and similar ornamental lawn covers shall be kept cut so as not to exceed 12 inches in height. <br />Table of Common Landscaping Materials <br />Preferred Landscape Materials <br />For reference use only <br />Confirm plant types and uses with a landscaping professional to ensure compatibility with site conditions. <br />DECIDUOUS TREES <br />Low Height' <br />Large Height (Cont.) <br />Page 4 <br />