Root trainer Root trainer A root pruning container is an aid to the cultivation of young plants and trees in nurseries. Many pot designs train the roots. One example is a truncated plastic cone in which a seedling is planted. There is a drainage hole at the bottom and the main tap root tends to grow towards this. What this achieves is to encourage the roots the grow a denser system of root hairs. How it does this is to have the pots designed so as to air prune the roots. The advantage is when the plant is planted into its home
USS Dandelion (1862) USS Dandelion (1862) USS "Dandelion" (1862) was a steam tugboat used by the Union Navy during the American Civil War. In addition to towing, she was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries. "Dandelion", a steam tug, was built as "Antietam" in 1862 by Winson and Co., Philadelphia, Pennsylvania; purchased by the Navy 21 November 1862; renamed "Dandelion"; and outfitted at Philadelphia Navy Yard. Commanded by Acting Master C. Folsom, "Dandelion" sailed from Philadelphia 12 December 1862 for duty with the South Atlantic Blockading Squadron, arriving at