2nd edition Beauty can be defi ned in many ways. For Margaret Annis Boys, a longtime Oklahomahoma City educator, beauty was found in the native trees, fl owers and landscapes off her beloved Oklahoma. Thanks to an endowment established through a bequest fromm her estate following her death in 1990, many area public parks, medians, neighborhoodsoods and schools have benefi ted from beautifi cation projects funded through the Margaretgaret Annis Boys Trust at the Oklahoma City Community Foundation. Miss Boys wwouldould have celebrated her 100th birthday in 2009. In recognition of the impact thatt her “gift of beauty” has had and will continue to have on our community, this publicationation is dedicated to Margaret Annis Boys. For more information on the Margaret Annis Boys Trust, please visit www.occf.org.f.org. Dedication ii ACKNOWLEDGEMENTS ...................................................................................................................................1 INTRODUCTION ................................................................................................................................................2 ABOUT THIS BOOK ...........................................................................................................................................3 KNOW YOUR SITE.............................................................................................................................................5 Plant Hardiness Zones ..........................................................................................................................6 Average Temperatures ...........................................................................................................................6 Precipitation Rate ..................................................................................................................................7 Soil Characteristics ...............................................................................................................................7 Trees in the Urban Environment ...........................................................................................................8 Conservation of Natural Resources ......................................................................................................9 Irrigation .................................................................................................................................................10 DESIGN YOUR SITE ..........................................................................................................................................11 Site Selection Checklist ........................................................................................................................12 Selecting a Location ..............................................................................................................................12 Planting Trees Near Natural Areas .......................................................................................................13 Cost and Maintenance ..........................................................................................................................13 Lawns in the Landscape ........................................................................................................................13 Tree Spacing ...........................................................................................................................................14 Basic Landscape Design .......................................................................................................................14 Uses in Landscape Design ....................................................................................................................16 Street Trees & Sidewalks ......................................................................................................................19 Residential Landscaping .......................................................................................................................20 Commercial & Parking Lot Landscaping .............................................................................................22 CHOOSE YOUR TREE........................................................................................................................................25 Plants at a Glance ..................................................................................................................................26 Bloom Schedule .....................................................................................................................................31 Table of Contents Table iii Deciduous Trees .....................................................................................................................................33 LARGE DECIDUOUS (Over 50’ ht.) Scientifi c Name Common Name Celtis occidentalis ..................................Hackberry .....................................................................................................................34 Ginkgo biloba .......................................Ginkgo ...........................................................................................................................35 Gleditsia triacanthos .............................Thornless Honeylocust ...............................................................................................36 Gymnocladus dioica ...............................Kentucky Coffeetree ...................................................................................................37 Liquidambar styracifl ua .......................Sweetgum ......................................................................................................................38 Maclura pomifera ..................................Osage Orange ...............................................................................................................39 Pistacia chinensis ...................................Chinese Pistache ..........................................................................................................40 Platanus x acerifolia ..............................London Planetree ........................................................................................................41 Populus deltoides ‘Cottonless’ .............Cottonwood ..................................................................................................................42 Quercus macrocarpa ..............................Bur Oak .........................................................................................................................43 Quercus muehlenbergii ...........................Chinkapin Oak .............................................................................................................44 Quercus nigra ........................................Water Oak .....................................................................................................................45 Quercus shumardii ................................Shumard Oak ................................................................................................................46 Taxodium distichum .............................Baldcypress ...................................................................................................................47 Ulmus parvifolia ...................................Lacebark Elm ...............................................................................................................48 Zelkova serrata .....................................Japanese Zelkova ..........................................................................................................49 MEDIUM DECIDUOUS (25 - 50’ ht.) Scientifi c Name Common Name Acer campestre ......................................Hedge Maple ................................................................................................................50 Acer saccharum ‘Caddo’ ......................Caddo Maple ................................................................................................................51 Acer truncatum .....................................Shantung Maple ...........................................................................................................52 Betula nigra ..........................................River Birch ....................................................................................................................53 Bumelia lanuginosa ...............................Chittamwood ................................................................................................................54 Castanea mollissima ..............................Chinese Chestnut .........................................................................................................55 Koelreuteria paniculata ..........................Panicled Golden Raintree ...........................................................................................56 Morus alba ‘Fruitless’ .........................Fruitless Mulberry .......................................................................................................57 Parrotia persica .....................................Parrotia ..........................................................................................................................58 Pyrus calleryana ....................................Callery Pear ...................................................................................................................59