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Science-based gardening information for Colorado communities from CSU Extension, Denver Botanic Gardens, and Green Industries of Colorado.

Search Results for: cover crops

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1607 – Cover Crops: Winter Rye

Fall is one of the best times of year to plant cover crops to improve soil. Planting a cover crop is easy, and delivers many benefits. Why is winter rye a good choice for a cover crop? Winter rye grass is a popular Colorado cover crop, and it’s a natural because it grows well in […]

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1616 – Cover Crops

What are cover crops used for? Cover crops usually are grown to prevent soil loss from wind and water erosion. Use fast-growing cover crops, such as winter wheat or annual rye, on fall-spaded gardens. A second, and probably more important reason home gardeners should use cover crops is to improve soil structure and increase organic […]

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1848 – Cover Crop Time

Mid-October is a good time to plant winter cover crops for improving soils where vegetables are grown. A long term plan for building and maintaining desirable levels of both organic matter and nitrogen is desirable. Non-legume cover crops help with organic matter and legumes can add both organic matter and nitrogen. What are good cover […]

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Fall Gardening

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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Soils, Amendments & Composting

Composting: an overview Composting: fall leaves Composting: making Composting: structures Composting: using Composting: what can be composted Composting: worm composting Cover Crops Cover Crops: winter rye Epsom salts & wood ashes Expansive soils Fertilizers Gypsum Maintaining healthy soils Manure & soil improvement Organic mulches Organic soil amendments Organic vs. manufactured fertilizers Phosphate fertilizers & water […]

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1910 – Xeriscape Maintenance

The easiest way to minimize landscape maintenance is to plant gardens adapted to the local environment. Weeding, pruning, proper fertilizer and irrigation system adjustments are some of the maintenance practices that need to be kept up with. Aerate the lawn twice a year, spring and fall, to help the water permeate into the root zone. […]

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1850 – When to Mulch Vegetables

If spring is cool, mulching warm season vegetables is a poor idea early in the growing season. Wait until soils have thoroughly warmed before applying mulch. This is particularly critical for pepper production. Peppers don’t produce well if mulch keeps soils cool. Wait until July to mulch with grass clippings or other mulches. Note that […]

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1830 – Hot Weather Impacts Vegetables

High temperatures cause problems with vegetable gardens. Plants transpire faster than normal in intense heat. If roots are not well established and healthy, leaves can scorch despite adequate moisture. Low humidity compounds problems and may promote spider mite problems. Heat and low humidity also affect blossom and pollen viability; bean blossoms abort and corn pollen […]

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1809 – Growing Warm Season Vegetables

What is a warm season vegetable? Beans, corn, cucumbers, melons, okra, eggplant, peppers, tomatoes, pumpkin and squash are warm-season vegetables. Many of these crops grow under cool conditions, but won’t produce fruit when night temperatures are in the 50 degree Fahrenheit range. They need warm temperatures to grow and mature. Once the fruit begins to […]

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1852 – Growing Vegetables in a Dry Land Takes Planning

Adapted from the CO-Horts blog originally authored by Carol O’Meara, Boulder County Extension Build your soil’s moisture holding capacity by amending the soil with organic material, such as compost. This breaks up clay, providing better growing conditions for roots during times of stress. Make a commitment to drip or trickle irrigation. Sure, a gently oscillating […]

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