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Science-based gardening information, videos, & resources created for Colorado communities with support from Green Industry.

Search Results for: powdery mildew

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1433 – Rose Diseases

Oh the beauty of roses! Such lovely flowers often are well worth the extra care they require. But these beautiful plants are susceptible to a variety of disease problems. Which roses do not get diseases? Hardy roses, such as shrub and species roses, which generally are disease-free, are the exceptions. If you’re a no-mess type […]

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1400-9 – Fall Clean-up to Prevent Disease

Fall garden clean-up is an important step to help prevent disease and insect problems next spring. Some organisms (like pathogens and insect eggs) overwinter on plant vegetation. After a hard freeze, remove plants such as tomato and pepper plants, squash and cucumber vines, and dig potato tubers. Pick up and dispose of fallen apples. Powdery […]

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1215 – Gooseberries

What can I use gooseberries for? Gooseberries are low-growing deciduous shrubs that reach three to six feet in height, have thorny stems and produce small fruit which is fresh-frozen or processed for use in jams and pies. They can be grown in home gardens and as landscaping features. Gooseberry fruits come in a variety of […]

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1056 – Indoor Herb Garden

Do you want herbs year-round? Plant an indoor, winter, herb garden. Select a container that will hold several plants with similar water requirements, and provides good drainage. Clay, wood or ceramic pots work well. Or, use multiple containers, each with a different kind or herb. If you have herbs in your garden, fall is a […]

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1042 – Peony

Native to Asia, Europe and northwestern United States, peonies have been admired and cultivated for more than 1,500 years. How are peonies classified? Although there are numerous species and thousands of varieties, the plants are generally classified by growth habit – herbaceous, tree, intersectional. The foliage of herbaceous peonies dies to the ground each fall. […]

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1014 – Fall Asters

Tough and reliable, asters are a natural for dry climates like ours where several native species delight mountain hikers. In fact, many aster varieties fail to survive the winter if kept too moist. How big do cultivated asters grow? Among cultivated asters, growth habits range from three-foot perennials to compact mounds. The greek word aster […]

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1055- Basil

What kitchen would be complete without basil? Cooks use it to enhance the flavor of chicken, ratatouille, spaghetti sauce and even vinegars, among other foods. How big do basil plants grow? Gardeners easily grow this bushy annual that reaches one to two feet tall. It comes in a variety of cultivars, such as the popular […]

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Vegetables

Baby pumpkins Buying & hardening transplants Chile peppers Clearing the Vegetable garden Collards Common tomato problems Container Vegetable Varieties Cool season leaf varieties Cover Crop Time Cucumbers & squash Cultural tips for leafy vegetables Don’t over winter vegetable diseases & insects Early Vegetable Planting & Soil Preparation Growing cool season vegetables Growing great pumpkins Growing […]

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Insects & Diseases

Fruit Garden Household/Houseplants Landscape Lawns & Turf Miscellaneous Pesticides Trees & Shrubs Fruit Aphids Coryneum blight Fire blight Foliar rusts on leaves of plants Grasshoppers Raspberry cane borer Root weevils Solitary bees Strawberry pests & diseases Tent caterpillars Garden Aster yellows Blossom end rot Corn earworm Flea beetles on vegetables Grasshoppers Greenhouse whitefly Harlequin bugs […]

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