Growing Garlic in Containers

How to grow garlic in pots and grow bags

January 16, 2025 | 10 min read
Garlic growing in containers with healthy green shoots

Growing garlic in containers is a brilliant way to make the most of small spaces, and it's particularly suited to our unpredictable UK climate. Whether you're in Staffordshire or anywhere else in the Midlands, you can enjoy fresh, home-grown garlic by following a few straightforward steps. As someone who's spent over 15 years gardening in this region, I'm eager to share my tips with you.

Quick Answer

To grow garlic in containers, plant cloves in autumn or early spring, use pots with good drainage, and ensure they receive plenty of sunlight. Water regularly but avoid waterlogged soil.

Choosing the Right Container

When growing garlic in pots, it's essential to select containers that are at least 20cm deep. This depth allows the roots to establish well. Both terracotta pots and plastic grow bags work well, but ensure they have sufficient drainage holes.

  • Minimum pot depth: 20cm
  • Ensure good drainage
  • Consider terracotta for better moisture regulation

Planting Garlic Cloves

Garlic is best planted in autumn, around October to November, but early spring planting is also possible. Use cloves from certified seed garlic, as supermarket garlic might not be suitable for our climate.

Plant each clove 2.5cm deep with the pointed end up, and space them around 10cm apart. This allows enough room for the bulbs to develop properly.

Caring for Your Garlic

Garlic thrives in full sunlight, so place your pots in the sunniest spot available. Water the plants regularly, ensuring the soil remains moist but not waterlogged. In the Midlands, rainfall can be quite variable, so keep an eye on the soil moisture level.

Feeding and Maintenance

Feed your garlic every month with a general-purpose fertiliser to encourage strong growth. As the shoots develop, remove any weeds that compete for nutrients.

Harvesting Your Garlic

Garlic is usually ready to harvest in June or July. You'll know it's time when the leaves start to yellow and die back. Use a trowel to gently lift the bulbs, being careful not to damage them.

Month Task Notes
October-November Plant cloves Ensure good drainage in containers
March Check growth Feed with fertiliser
June-July Harvest Leaves should be yellowing

Frequently Asked Questions

Can I grow garlic indoors?

Yes, you can grow garlic indoors as long as you provide enough light. A sunny windowsill can work, but you may need supplemental lighting during darker months.

Do I need to remove the flower stalks?

Yes, if your garlic produces flower stalks (called scapes), it's best to remove them. This ensures the plant focuses its energy on developing the bulb rather than the flower.

How do I store harvested garlic?

After harvesting, dry the bulbs for a couple of weeks in a warm, airy place. Once dried, store them in a cool, dark spot, avoiding plastic bags to prevent mould.

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