1064 – Perennials: Winterizing During Drought
During drought, some perennials are short, growing slowly if at all, and perhaps showing leaf scorch and even dieback. Drought tolerant perennials may be in better condition. With stressed perennials in situations with little available water, consider cutting them back partially in the fall. Let the plants self-mulch for the winter and hope for winter […]
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1020 – Perennials: Winterizing
Colorado’s relatively warm days and cold nights, extreme temperature fluctuations and drying winds can wreak havoc with many of our commonly planted perennials. After the first hard frost, the foliage of most perennials starts to die and wither. What do I do with a withering perennial plant? One approach is to immediately remove the dead […]
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1769 – Ash Care for the Do It Yourself Gardener
Ash trees in Colorado have 3 basic needs – water, insect control and pruning. Watering Consistent watering during the growing season and winter watering is a task a homeowner can readily accomplish. Drought stressed ash are prone to native borer attack and winter kill. Lawn irrigation is usually enough for ash in the growing season. […]
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Annuals/Perennials Design Fruits Houseplants Insects/Diseases Lawns Miscellaneous Soils/Amendments/Composting Trees/Shrubs/Vines Vegetables Water Considerations Annuals/Perennials Bulbs: deer resistant Bulbs: fall bulb planting for spring blooms Bulbs: fertilizing Bulbs: maintaining Bulbs: selecting Pansies for seasonal color Perennials: winterizing Perennials: winterizing during drought Water gardening: winterizing water lilies Design Tree placement tips Water Considerations Winterizing Sprinkler Systems Fruits Preparing […]
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Click here to see the complete Planttalk Colorado™ playlist. Conifer Tree ID Videos Austrian Pine Blue Spruce Bristlecone Pine Douglas Fir Engleman Spruce Limber Pine Pinyõn Pine Ponderosa Pine Rocky Mountain Juniper White Fir Chinkapin Oak Cytospora Cankers Elm Scale Emerald Ash Borer English Oak Fire Blight How and Why to Wrap Your Tree Trunks How to […]
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2105 – Desiccation in Woody Plants
Desiccation in woody plants is common in Colorado, because soils range from sandy to clay and plants rely almost totally on supplemental watering. In addition, nearly all woody plants found in Colorado are imported from different parts of the country and have varying moisture requirements. Symptoms of desiccation appear when too little or too much […]
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1737 – Creeping Grape Holly
Creeping grape holly is probably one of the most useful plants available to regional gardeners. It will thrive in any number of situations. This native plant grows abundantly in the foothills and upper mountains. Related species have been a part of our regional landscape for millions of years and can be categorized as “living fossils.” […]
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1754 – Snow Impacts on Woody and Herbaceous Plants
When we have heavy snowfalls along the Front Range, it is certainly welcome for the moisture it provides and creates less need to emphasize winter watering. How does snow impact annuals and perennials? Annuals, such as petunias and snapdragons, may overwinter under the snow cover that provided insulation from cold temperatures. Perennials may show little […]
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1731 – Hardening Woody Plants
Woody plants naturally enter a period of dormancy or “winter rest.” This process is key to woody plant survival in cold climates. Dormancy develops gradually within buds as the days become shorter in late summer. Dormancy accelerates in the fall, and reaches its peak in early winter. In most woody plants, dormant buds not only […]
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1704 – Dwarf & Specialty Conifers
Many homeowners are faced with a common problem – a huge tree dwarfing a home or building. Once a small tree, it has now outgrown its original site. Today’s trend to smaller yards means some trees will later dominate the landscape and limit other landscaping or gardening. What is a dwarf conifer? Some alternatives to […]
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