Yes, kale grows very well in pots, and it might be one of the easiest crops you can keep on a patio or balcony. Growing kale in pots gives you fresh leaves within reach of the kitchen, and a healthy plant will feed you for months. You just need the right container, good soil, and steady water to keep it happy through the season.
I grew one Red Russian plant in a deep pot by the back door, the kind of spot you see straight from the kitchen window over the sink. From early summer to late fall I cut a few outer leaves whenever a meal needed greens. That single plant kept pace with a small kitchen the whole season, and it never once sat empty for long. Some weeks I picked from it twice, other weeks not at all, and it just kept growing back.
Container kale needs room for its roots more than anything else. Pick a pot that is at least 12 inches (30 centimeters) wide and deep, with drainage holes in the bottom. Kale roots run deep, so a shallow pot will choke the plant and stunt your harvest. Fill it with a rich, well-drained potting mix rather than garden soil, which packs down hard and holds too much water in a container.
Watering is where most pot-grown kale struggles. Pots dry out far faster than garden beds because the soil sits exposed to sun and wind on all sides. Aim for the standard 1 to 2 inches (2.5 to 5 centimeters) of water each week. Split it across several sessions so the mix stays evenly moist. Stick a finger an inch down, and if it feels dry, give the pot a deep drink until water runs out the bottom.
Feed your plants lightly to keep the leaves coming. Container soil loses nutrients fast as water drains through, so kale in containers needs a little help that beds do not. A balanced liquid feed every two to three weeks works well during the main growing months. Go easy on it, since too much nitrogen makes soft leaves that bugs love and frost damages.
Container And Soil
- Pot size: Use one at least 12 inches (30 centimeters) wide and deep so roots have room to grow.
- Drainage: Make sure the pot has holes in the bottom, or the roots will rot in soggy soil.
- Mix: Fill with a rich, well-drained potting mix instead of heavy garden dirt.
Spacing And Variety
- Plants per pot: Keep just one or two plants in a 12-inch pot so they do not crowd each other out.
- Compact picks: Choose Dwarf Siberian or Red Russian, which stay small and handle pot life with ease.
- Light: Set pots in full sun to part shade, with at least six hours of sun for the best leaves.
Water And Feeding
- Weekly water: Give about 1 to 2 inches (2.5 to 5 centimeters) of water, split across a few deep drinks.
- Check the soil: Push a finger an inch down, and water only when the mix feels dry to the touch.
- Light feed: Use a balanced liquid feed every two to three weeks during the main growing months.
Spacing matters more in a pot than you might think. Stick to one or two plants in a 12-inch container, since crowded roots fight for the same water and food. If you want more greens, add a second pot rather than packing extra plants into one. Compact types like Dwarf Siberian stay smaller and suit tight balconies, while still giving you plenty to pick.
Place your pots where they get full sun to part shade, ideally six hours of light a day. Harvest the outer leaves first and leave the center growing point alone. This cut-and-come-again method keeps one plant producing for months, just like mine did by the back door. Snap or cut the lowest leaves once they reach the size of your hand, and new ones will keep pushing up from the middle.
Read the full article: Kale Plant Guide: Grow, Harvest and Enjoy
