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.
1 If you are transplanting seedlings, space spinach plants about 12 to 18 inches (30.5 to 45.7 cm) apart. 2  This allows the seedlings to grow and expand their roots without competing with each other for space. 3  You can either purchase seedlings at your local nursery or garden supply store or start them indoors in peat pots.