Waterwise Gardening Los Alamos Cooperative Extension Service and the Department of Public Utilities Photo: Robert Villegas, CanyonEcho Graphics, Los Alamos, NM 2006 MAY 2007 Water Conserving Benefits of Trees WG05-07-JWH This month’s newsletter is dedicated to on plant materials are crucial to long trees. An essential element to the waterwise term success and prudent use of water This Issue garden, trees offer aesthetic and practical resources in the garden. Some important benefits alike. Visually they anchor the plant characteristics are size, hardiness, Water Conserving landscape design and provide vertical susceptibility to insects and diseases, and Benefits of Trees contrast to smaller plants. For water soil and water requirements. The following Tree Considerations conserving purposes, they reduce heat is offered to assist in making proper choices • Determining Land- and evaporation by shading the soil and when considering the addition of trees to scape Needs blocking the wind. Moreover, they provide the landscape. • Selecting the Site shade to cool homes, reducing energy and • Needs of the Tree evaporative cooler water use. Carlos Valdez, Horticulture Agent • Water Needs Cooperative Extension Service However, before going to the garden center (505) 662-2656 Plant of the Month or nursery, homeowners should do their http://www.l o s a l a m o s e x t e n s i o n .n m s u .e d u Drought Outlook homework. Like turf, trees are major water users in the landscape. Proper consideration Department of Public Utilities, May/June of landscape needs, examining planting (505) 662-8130 Events sites, and obtaining pertinent information http://www.losalamosnm.us David Salman Discusses Tree Considerations Determining Landscape Needs Size - Consider the growth habit of the tree. Rock Gardening Because there are so many different types of Evaluate the size of the tree when mature (Growing in Tuff ) trees from which to choose, you can select and where it is to be used. Tall-growing Salman with Santa Fe varieties specifically suited to your needs. trees, such as the Blue Spruce (Picea Green House will discuss First identify exactly what function you pungens) and Chinkapin Oak (Quercus how to successfully grow want your tree to serve. Trees may be used muehlenbergii) are suitable for two-story plants in tuff or volcanic for shade, ornament, screens, reduction of and larger buildings. However, they tend ash deposits wind and noise, and to shelter wildlife or to dominate the low flat appearance of - Thur., May 17th, provide edible fruit and nuts. The intended - or even hide -- one-story buildings. For 7 PM at Fuller Lodge purpose will influence your selection criteria attractive and proper balance with one-story 2132 Central of planting site, shape, size, type of foliage, buildings, trees that do not grow over 35 Los Alamos, NM and other physical characteristics. feet are better scaled and require less water. (505) 662-2656 Trees can rarely be kept small by pruning, Bernd Leinauer’s Shade - Providing shade usually requires and to do so requires intensive maintenance Efficient Turf tall, sturdy, long-living species. Density of and makes trees more susceptible to insects Workshop foliage and shape determines the amount and disease. For trees that are 35 feet or Attend this one day of shading a tree will provide. Be aware smaller, consider planting the Lacebark hands-on workshop about that some trees produce a very dense shade Elm (Ulmus parvifolia) or Bigtooth strategies to efficiently that will prevent grass from growing since Maple (Acer grandidentatum). Careful irrigate turfgrass with grass requires abundant light. Trees such consideration of mature sizes will reduce the turf specialist as Green Ash (Fraxinus pennsylvanica) or need for pruning. Bernd Leinauer Little Leaf Linden (Tilia cordata) provide Fri., June 15th, ample shade, while trees like Thornless Selecting the Site 9AM - 12 PM at the Honeylocust (Gledetsia triacanthos inermis) When planting trees consider not only what Los Alamos Golf Course cast a much lighter shade and is more time of year you will be using the space, but (505) 662-2656 compatible with turf. what time of day as well.