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• The General Care of a Salvia Plant

  ...n shades of white, pink, red, purple and blue. In general, salvia plants are easy to care for and can withstand some drought, heat and drier soils. Most salvia plants also have fragrant leaves and attract hummingbirds. Depending on the species and variety, salvia plants grow 1 1/2 to 5…

• General Sherman Tree Facts

  The General Sherman tree, a giant sequoia tree (Sequoiadendron giganteum) growing in the mountains of central California, holds the world record for the most massive living thing on earth. Since 1890, General Sherman and the other giant sequoias growing in the area have received protection through the national park system.

• General Characteristics of Pteridophyta

  Pteridophyta is a phylum of plants widely known as ferns. More than 12,000 different species of ferns are distributed worldwide. They are distinguished from flowering plants by not producing seeds. Pteridophyta members reproduce through spores. Ferns were some of Earth's first land plants. They are vascular and have true leaves.

• General Soil Types

  The first soil categories were developed in the 1930s by Curtis Marbut, according to Physical Geography. More modern categories were developed by the U.S. Soil and Water Conservation Service in the 1950s. This system, which wasn't complete until 1960, was an improvement but still lacked the credibility and standards that…