Seed Germination and Soil Temperature
With the first warm days of spring, gardeners are anxious to get their vegetable seed in the ground. Unfortunately, it is not the air temperature, but the soil temperature that controls seed germination. We have to wait for the soil temperature ... [... more]
Virginia Tech Extension |
Starting New Plants From Stem Cuttings
Cuttings should be taken with a sharp knife or razor blade to reduce injury to the plant. Remove flowers and flower buds from cuttings to allow the cutting to use its energy and stored carbohydrates for root and shoot formation. On woody plants, ... [... more]
Virginia Tech Extension |
Plant Breeding For The Home Gardener
Plants reproduce asexually and sexually. Asexual reproduction is the propagation or perpetuation of a species by vegetative means. It is also referred to as clonal propagation because in most cases the offspring are genetically identical to the ... [... more]
Virginia Tech Extension |
Sexes in Ornamental Plants
Many ornamental plants are chosen for use because of their colorful fruits. Red holly berries, orange pyracantha berries, and white snowberries are just of few examples of the color that ornamental fruits bring to the garden. These plants are ... [... more]
Virginia Tech Extension |
Propagating Herbs
Herbs are easy to grow. Once established, they are virtually insect and disease free and have aromatic and culinary uses throughout the year. However, even among the most popular herbs, there are problems in obtaining the desired variety or ... [... more]
Virginia Tech Extension |
Table 1. Thermal-Mass Walls
In most climates, a well-constructed solar greenhouse collects more energy on a clear winter day than it needs for greenhouse heating and has the potential to supply a substantial amount of heat to the space adjoining it. A south wall that ... [... more]
Virginia Tech Extension |
Sowing Perennial Plant Seed
As we enter the last months of summer, the thought of doing another seed sowing of flowers is far from the minds of most gardeners. Flowers, after all, are either started from seeds indoors or bought in packs in spring, right? Not necessarily ... [... more]
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