They’re a staple in many UK gardens thanks to their versatility and nutritional value. However, knowing when and how to harvest them can make all the difference between a crisp, tasty cabbage and one that's past its prime.
Quick Answer
The best time to harvest cabbage is when the head is firm to the touch and reaches its mature size, usually 70-100 days after planting, depending on the variety.
Understanding Cabbage Maturity
Cabbages thrive in the cooler temperatures of the UK, and understanding their growth cycle is key. Most cabbage varieties mature between 70 and 100 days. You’ll want to start checking them regularly as they approach this age range.
Signs Your Cabbage is Ready
- Firmness: The head should be solid and firm when squeezed lightly.
- Size: Depending on the variety, a mature cabbage head typically measures 10-25 cm (4-10 inches) in diameter.
- Colour: The leaves should be vibrant and free of yellowing.
How to Harvest Cabbage
Once your cabbage has reached maturity, it’s time to harvest. Here in the Midlands, you can often start this process in late spring through early autumn. Here’s how I do it:
Tools You'll Need
A sharp knife or a pair of garden shears will do the trick. Ensure they’re clean to avoid transferring any diseases to your plants.
Harvesting Process
Using your tool of choice, cut the cabbage head off at the base, leaving the outer leaves intact. These leaves can protect the inner head during transportation and storage. If you’re planning on a second harvest, leave the stem and a few leaves in place; new heads might form.
Timing Your Harvest
Timing can be everything with cabbage. Too early, and the heads won’t be fully developed; too late, and they might split. Here’s a rough guide to help you plan:
| Month | Task | Notes |
|---|---|---|
| March-April | Plant seeds | Start indoors if temperature is still low |
| May-June | Transplant outdoors | After last frost |
| July-September | Monitor growth | Check for pests and diseases |
| August-October | Harvest | When heads are firm and mature |
Post-Harvest Care
After harvesting, store your cabbages in a cool, dry place. A fridge or a root cellar can keep them fresh for several weeks. If you have a large harvest, consider pickling or fermenting them to enjoy a taste of your garden throughout the winter.
Frequently Asked Questions
How do I know if my cabbage is overripe?
An overripe cabbage will often split and may start to yellow. It’s best to harvest them before this happens for optimal taste and texture.
Can I harvest cabbage in winter?
Winter cabbage varieties can indeed be harvested during the colder months, as they are more frost-tolerant.
What should I do with cabbage stems after harvesting?
Leaving the stem in place may result in smaller, secondary heads, providing a bonus harvest.