Loaded with healthy vitamins and minerals, spinach also is full of juicy flavor that makes it delicious eaten raw or incorporated into a number of dishes. Spinach is a cool-weather crop with shallow roots, making it an ideal choice for container gardening. Spinach grown in containers can be placed out of reach of hungry rabbits and other furry creatures, will require little bending or stooping, and is just the ticket for gardeners with a shortage of gardening space.
Select a container with a drainage hole, at least 8 to 12 inches in diameter and a minimum of 9 inches deep. Scrub it with a mixture of 1 part household bleach and 9 parts water if it has been used, then rinse thoroughly.
Fill the container with a general purpose commercial potting soil. Avoid using garden soil for container gardening, as garden soil will become compacted, will be slow to drain and very heavy.
Choose small, compact starter plants with bright, even color. Dig a small hole for each plant with a trowel, allowing 2 to 4 inches between each plant. Place the plant into the hole. Pat the soil lightly around the roots. Keep the soil moist until the seeds germinate.
Place the container where the spinach will be exposed to sunlight during the mornings but protected from hot afternoon sunlight.
Stick a finger into the top of the potting soil daily to check the moisture level. Water the spinach until the water runs through the drainage hole if the top inch of the soil feels dry. Allow the excess water to drain, and don't allow the container to sit in water. Watering the spinach every day may be necessary during hot weather. Water the spinach in the morning so the leaves have time to dry before evening.
Fertilize the spinach two to four weeks after planting, using a liquid fertilizer mixed to half of the recommended strength. Alternatively, apply an organic fertilizer such as fish emulsion or bone meal.