The cardiovascular system consists of the heart, blood vessels, and the approximately 5 liters of blood that the blood vessels transport.
This planter also holds begonia, marigolds, and a pepper plant. Growing Swiss chard works best in rich, moist soil with a soil pH between 6.0 and 6.8. Plant about 12 to 18 inches apart in fertile soil, watering directly after planting. Work nitrogen-rich amendments such as blood meal, cottonseed meal, feather meal, or composted manure into the ground before planting.
If they are to be harvested when full grown they should be spaced 15 to 18 inches apart. If the seed is to be drilled in the row and the young collard plants are to be harvested, similar to mustard greens, the plants may be 2 to 4 inches apart.