This index provides easy access to information that is frequently needed by a broad range of gardeners. It is a reference library for gardeners.
Directory of United States Gardens You Can Visit
- A listing, by state, of public gardens, arboretums, botanical conservatories and private gardens that can be visited by the public.
- The basic information needed for planting a tree or shrub. Whether it’s a ball & burlap or potted plant it’s important you plant it correctly to ensure success and good start for your new plant.
- A simple test to determine the severity of drainage problems is described and several drainage practices used to improve wet soil conditions are shown.
- Essential information on why, when and how to prune deciduous trees and shrubs at all stages of their life (at planting time, when they are young and as they mature).
- The destructive practice of tree topping is described so property owners understand the problems they create once a tree has been topped.
- Fundamental information about soil pH and its importance to plant health, how to test your soil for pH, how to change the pH of your garden soil with rates needed for different soils, and specific pH requirements for your garden plants.
- The U.S. Department of Agriculture map that has become the standard for gardeners to determine which plants are most likely to thrive at a specific geographic location.
- A companion to the USDA Plant Hardiness zone map, the American Horticultural Society Plant Heat Zone Map shows 12 geographic zones based on the average number of days each year that a region has temperatures over 86o F., a critical temperature for plant growth.