One of my favourite root vegetables to grow is the parsnip. Not only are they deliciously sweet after a frost, but they also thrive in our British climate. Here's a complete guide to growing parsnips in your garden.
Quick Answer
To grow parsnips in the UK, sow seeds in early spring in well-drained soil, thin seedlings to 15cm apart, and harvest after the first frost for optimal sweetness.
Preparing the Soil
Parsnips prefer a light, sandy soil with good drainage. If you're in the Midlands like me, you might need to work a bit on conditioning your soil. Start by digging in plenty of organic matter, such as well-rotted manure or garden compost, which helps to improve soil structure and fertility.
When and How to Sow Parsnip Seeds
Parsnips should be sown directly into the garden as they don't transplant well. In the UK, the best time to sow is from late February to May. Use a dibber to make rows about 2cm deep and 30cm apart.
| Month | Action | Notes |
|---|---|---|
| February | Sow seeds | Start indoors if the ground is frozen |
| March to May | Sow seeds outdoors | Ensure soil is warm enough |
| October | Harvest | Best after first frost |
Thinning and Care
Once the seedlings are large enough to handle, thin them to 15cm apart. This will give them space to develop large roots. Regularly weed between rows to reduce competition for nutrients.
- Water consistently, especially in dry spells, to prevent woody roots.
- Use mulch to retain moisture and suppress weeds.
- Check for pests like carrot fly, which can also affect parsnips.
Harvesting Your Parsnips
Parsnips are usually ready for harvesting from October onwards. In the Midlands, I find they're best after the first frost, which enhances their sweetness. Use a fork to gently lift them from the soil to avoid damage.
Frequently Asked Questions
Can I grow parsnips in containers?
While parsnips prefer open ground, you can grow them in deep containers. Ensure the container is at least 30cm deep.
How do I store harvested parsnips?
Store parsnips in a cool, dark place. They can be left in the ground until needed, or stored in sand to keep them fresh.
How do I prevent pests?
Use fleece or insect-proof mesh to protect against carrot fly. Rotate crops to minimise soil-borne pests and diseases.