Perennial Gardening: Culture and Maintenance

Watering frequency varies with sun and wind exposure, temperature, soil type and individual plant water needs. Drooping leaves or stems and blossom drop often are signs that irrigation needs to be increased. New plantings in full sun often need water every two days the first few weeks or so after planting, depending on weather conditions.…

Perennial Gardening: Planting

Perennials grown in containers may be planted any time during the growing season. Ideally, plant them so they can become established before dormancy and the onset of winter. In Colorado, bare root perennials are best planted in the spring. Inspect plants prior to purchase. Look for plants whose new roots are fleshy and creamy white,…

Perennial Gardening: Plant Selection

The list of possible perennial plants is long. See fact sheet 7.405, Herbaceous Perennials for a listing of species. Many new, improved varieties are introduced annually that are adapted to our climate. Choose plants for flower color, bloom period, height and light requirements. Compile a chart, organizing this information in an easily viewed manner. Bloom…

Perennial Gardening: Site and Soil Preparation

A beautiful, healthy perennial garden must have a soil that provides good drainage and aeration. Have a soil test completed to measure the fertility and texture before proceeding. See fact sheet 0.507, Soil, Water and Plant Testing for more information. Prepare the site by removing any existing grass or other plant material in the designated…

Perennial Gardening: Designing Perennials Gardens

Perennial plants can live many years, so careful planning is required. Determine garden size by available space and the amount of time you have for maintenance. Perennial gardens should be functional, simple to maintain, accessible, and supply a progression of flower colors and textures all season. When access is available from two sides, a maximum…

Perennial Gardening: Site Selection

Site selection is the first step in planning a successful perennial garden. Take stock of your environmental conditions to see where an optimal site might be. Ease of access, proximity to outdoor living areas, and visibility from within the home are other factors to be considered. A perennial garden may also be a focal feature…