General Horticulture


Collecting Soil Samples for Testing (HO-71-W)

Purdue Extension Publication


This publication discusses timing, tools, techniques, sampling, and testing information for soil.



What Gardeners Should Know About Pesticides (PPP-109)

Purdue Extension Publication


Effective pest control in the landscape and garden requires more than just spraying away the problem. Successful gardeners understand that managing insects, weeds, diseases, and vertebrate pests starts with selecting, planting, and caring for their garden plants. This publication describes a variety of strategies home gardeners may use to safely and responsibly manage pests and pesticides in the landscape.


Diagnosing Herbicide Injury on Garden and Landscape Plants (ID-184-W)

Purdue Extension Publication


Herbicides, when used properly, rarely cause problems on nontarget plants, but they can sometimes injure other plants. This publication examines the common causes of herbicide injury and how to avoid them.


Managing Yard Wastes; Clippings and Compost (ID-182-W)

Purdue Extension Publication


Discusses how gardeners can help address the growing landfill problem by reducing yard waste (leaving grass clippings on lawns) and by recycling yard waste through composting. Explains the ingredients of compost and how to contain, manage, and use compost.


Poison Ivy (HO-218-W)

Purdue Extension Publication


This publication describes how to identify poison ivy, provides treatment options for those who come in contact with the foliage, and offers control options.


Weed Control for the Garden & Landscape (HO-217-W)

Purdue Extension Publication


This publication discusses precautions, label clearance, walks, patios, drives, and vegetable gardens. Tables are included listing the non-selective and selective weed killers, vegetables, fruits and nuts, flowering annuals, perennials, bulbs and tubers, and ornamental ground covers, trees, evergreens, and shrubs.


Effects of Cold Weather on Horticultural Plants in Indiana (HO-203-W)

Purdue Extension Publication


This publication identifies the types of injury caused by cold weather, the factors that influence the degree of injury, and ways to prevent or reduce injury. Tables are included listing the symptoms of freezing injury on some vegetables, frost resistance of annual flowers, floral development stages for fruit crops, critical temperatures for flower bud kill, critical temperatures and cold injury evaluations for small fruit crops, application precipitation rates, and row covers and frost protection. An illustration is also included showing the USDA hardiness zones of the United States.


Container and Raised Bed Gardening (HO-200-W) PDF

Purdue Extension Publication


Gardening in containers or raised beds can be just the answer for would-be gardeners who would love to grow their own vegetables and flowers, but lack the space or physical ability for a traditional garden. This publication examines how to plan, plant, and care for raised bed and container gardens.


Black Walnut Toxicity (HO-193-W)

Purdue Extension Publication


This publication discusses the source of toxicity, implications for horticulture, juglone sensitivity in plants, plants observed to be sensitive and tolerant to juglone. An illustration of a typical leaf and nut characteristics of black walnuts is included.


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