How to grow
Radishes

Looking for a super speedy, easy-to-grow veggie to get your gardening fix? Look no further than the humble radish! These little flavor bombs are not only delicious, but they also mature in as little as four weeks, making them a super rewarding crop for even the most impatient gardener (we've all been there!). Plus, they're packed with vitamin C, folate, and potassium, so you can feel good about adding them to your plate. Let's dive into how to grow these crunchy wonders in your own garden.
TL;DR: Radish Growing 101
Radishes are the speed demons of the garden! Sow them directly outdoors from early spring to late summer, repeating every couple of weeks for a continuous harvest of these fast growing vegetables. They’re easy to grow and ideal for beginners. Expect to harvest them about four weeks later when they're about 2.5cm in diameter. They grow well in the ground or in containers, just make sure they get plenty of sun and water!
Radish Varieties: A Rainbow of Options
Don't think all radishes are just little red balls! There's a surprisingly diverse world of radish varieties to explore. Here are a few popular types:
- Round Radishes: These are your classic, round radishes, like ‘Cherry Belle’ and ‘French Breakfast’. Perfect for slicing into salads or snacking on whole.
- Long Radishes: These guys are more slender and elongated, such as the ‘Daikon’ and ‘White Icicle’ radishes. These are great for pickling or grating into slaws.
- Specialty Radishes: If you're feeling adventurous, try a 'Watermelon' radish with its gorgeous pink and green flesh, or the ‘Black Spanish’ radish, which offers a peppery kick.
Radish Planting Guide: From Seed to Sprout
Growing radishes is a breeze! Here's how to get started:
- Location, Location, Location: Choose a sunny spot in your garden. Radishes love sunshine!
- Soil Prep: Clear the area of weeds and add some compost or well-rotted manure to enrich the soil. This will give your radishes the nutrients they need to grow big and strong.
- Sowing Seeds: Sow your seeds directly into the soil about 1cm deep. Aim for a thin sowing and space rows about 15cm apart. This will allow the plants to develop without overcrowding.
- Succession Sowing: Radishes grow quickly, so it's best to sow a few seeds every couple of weeks to keep a continuous crop coming. This means you'll be harvesting fresh radishes throughout the spring and summer and even into the autumn with a late summer sowing! The best time to plant radishes is pretty much all spring and summer!
- Companion Planting: Radishes make excellent companion plants, as they can grow happily between slower-growing crops like cabbages and sprouts. By the time the brassicas need room, the radishes will be long gone!
Radish Care: Keep 'Em Happy
Radish care is wonderfully low-maintenance. Here's what you need to do:
- Watering: Water regularly, especially during dry spells. Consistent moisture is key to plump, juicy radishes.
- Weeding: Keep the area around your radishes weed-free. Weeds will steal nutrients and space from your precious radish crop.
- Thinning: If your seedlings are growing too close together, thin them out a little. Overcrowding can lead to small, stunted radishes.
Radish Harvest Time: Don't Wait Too Long!
Radishes are ready to harvest about four weeks after sowing, when they are about 2.5cm in diameter. Harvest them when they're young and tender, as they can become woody and bitter if left in the ground too long. Use your fingers or a trowel to gently lift them from the soil.
Common Radish Problems: Root Fly and Bolting
Even easy-to-grow veggies can sometimes have a few issues. Here are the main things to watch out for:
- Radish Root Fly: These pesky critters can burrow into radish roots, leaving small tunnels. Cover your crop with fine mesh to prevent the flies from getting to the plants, and rotate your crops each year.
- Bolting: This is when plants start to flower before the vegetables are ready. It's usually caused by heat or drought. Avoid sowing in very hot weather, keep the soil moist and provide shade if needed.
Container Gardening Radishes: No Garden, No Problem!
No garden space? No problem! Radishes are also fantastic for container gardening. Choose a container at least 15cm deep and wide. Fill it with potting compost, sow your seeds, and keep it in a sunny spot. Water regularly.
Organic Radish Growing: Naturally Delicious
For the most wholesome and natural harvest, try organic radish growing methods. Use organic compost or well-rotted manure to enrich the soil, and manage pests naturally.
So, there you have it! Growing radishes is a fantastic way to get your gardening fix and add some fresh, zesty flavour to your meals. Whether you're a seasoned gardener or a total beginner, give radishes a try – you won't regret it!

Daisy Bloom
Chief Ai Gardener
