Green onions have small root systems, so a container that's about 6 to 8 inches deep is ideal. A crucial mistake you should avoid when growing onions is allowing the soil to become waterlogged.

Green onions, or scallions, are the easiest onions to grow, maturing in about 60 days. They’re inexpensive to grow yet they add plenty of snap and flavor to dishes. Zoya2222 - Getty Images ...

Can you grow onions in containers? It is possible to grow onions in large containers, such as whiskey barrels or plastic tubs, though containers will not yield as many onions as garden bed rows will.

Grow green onions or bulb onions in containers. Since they have shallow root systems, they don’t need a lot of depth to thrive, making them ideal for narrow containers.

Gently separate the roots in your containers and plant your onions where all the tops are out of the ground and the roots barely in; don’t bury them deeper! Plant 6 inches apart in rows and ...

So if space is an issue, grow spring onions or garlic as they’ll work well in smaller pots. For large bulb onions, the container will need to be 10 inches deep with enough room for 3 inches of ...

• Spinach — some varieties of the leafy green vegetables will be mature enough to enjoy in only 30 days. And it is full of vitamins. You can harvest as needed.

One- to three-gallon pots work for herbs, green onions, radishes, onions, determinate tomatoes or dwarf cucumbers. Gallon pots can handle full-size tomatoes, cucumbers, eggplant, beans and peas.

By growing your own, you have a much larger selection of different varieties of onions than if you were to purchase transplants from a garden center. Garden centers often stock just a few of the ...