Kale may have slipped out of the spotlight in recent years, but it remains one of the most nutritious and rewarding crops you can grow at home. Packed with vitamins, minerals and antioxidants, this hardy leafy green is also incredibly productive, giving you fresh leaves for months from a single planting. If you’re wondering how to grow kale at home, grow it at the right time, give it rich soil and regular care, and your family will enjoy a steady supply of tender, flavoursome leaves for soups, salads, stir-fries and more.
1. Plant in the cooler seasons
Kale can be grown year-round in many regions, but it truly thrives in the cooler months. Lower temperatures reduce the need for watering, slow bolting and improve flavour. A light frost can even sweeten the leaves. This is one of the key principles of how to grow kale successfully.
2. Time your planting to your climate
In colder areas, plant seedlings from late summer to mid-autumn while the soil is still warm to give plants a strong start. In warmer regions, plant from mid-autumn to early winter.
3. Plant deeply for sturdy plants
When transplanting, bury the stem up to the first set of leaves. This produces sturdier plants that are less likely to topple in windy weather.
4. Choose the right location
In cooler climates, plant kale in full sun to maximise warmth and growth. In hotter areas, a little afternoon shade will help prevent leaves from becoming tough and bitter.
5. Give plants room to grow
Kale plants can become large and leafy, so space them at least 50 cm apart. Good spacing improves airflow, reduces the risk of fungal diseases, and allows each plant to reach its full potential.
6. Enrich the soil generously
Like all brassicas, kale thrives in fertile soil rich in organic matter. Add compost and well-rotted manure before planting. If your soil is heavy clay, improve drainage with gypsum and plant on a mound.
7. Manage pests
The most common problem you’ll encounter is green caterpillars that chew the leaves. They are the larvae of the cabbage white butterfly. Cover your crop from day one with a pest exclusion net to stop butterflies laying their eggs on the plants.
8. Feed and water consistently
Regular watering keeps leaves tender and prevents plants from bolting. Apply organic fertilisers monthly during the growing season and cover the surrounding soil surface with sugar cane mulch to retain soil moisture and reduce weed competition.
9. Harvest little and often
Kale is a classic cut-and-come-again crop, and learning how to grow kale at home means you can harvest fresh leaves for months. Begin harvesting once outer leaves are large enough, taking only a few at a time. This encourages continuous growth and can keep your plants producing for many months.
10. Turn your plant into a ‘kale tree’
With good care, many kale varieties behave as biennials or even short-lived perennials. Harvest only the lower leaves, remove flower spikes as they appear, and keep the plant well fed and watered. Over time, it can grow into a tall, productive ‘kale tree’ that supplies leaves for years.
Popular kale varieties to try
Now that you understand how to grow kale at home, let’s explore the wide range of varieties to try.
- Cavolo nero (Tuscan kale): Also known as dinosaur kale, this heirloom variety has dark, crinkled leaves and a rich, earthy flavour that shines in soups and stews.
- Red Russian: Fast-growing with flat, serrated leaves and purple veins; prized for its sweet, tender texture.
- Scarlet kale: Striking purple, frilly leaves that become sweeter and more vibrant in cool weather.
- Dwarf blue curled: A compact and ornamental curly kale with mild flavour and excellent heat tolerance.
