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.
Perpetual spinach, chard, parsley, rocket, lettuce and radishes can all be sown at four week intervals from July onwards for both a winter crop and some seedlings to overwinter for fast take off in spring. Chard is less hardy than perpetual spinach so if you only grow one of them, grow the spinach.