Flowering cabbage, also known as ornamental cabbage (Brassica oleracea var. acephala), is a cultivar of the common cabbage species. It was selectively bred in Japan and Korea for its attractive, ruffled foliage and vibrant colours, rather than for food. Though it shares ancestry with edible cabbages, this variety was developed purely for ornamental purposes and is prized for its decorative rosettes of green, white, pink, and purple leaves. It has since become popular in gardens worldwide, especially during cooler seasons.

EDIBILITY
Flowering cabbage is edible in the same way regular cabbage is, but it is much tougher and has a bitter flavour, making it unappealing for general consumption. While it is not toxic, it is mostly used for aesthetic purposes. If eaten, it is typically cooked to reduce bitterness, but most people choose edible varieties of cabbage instead.

HOW IT GROWS
Flowering cabbage is a cool-season annual grown for its striking appearance. It performs best in autumn and winter, especially after a few light frosts, which intensify the leaf colours. The plant grows in a compact rosette shape, usually 20 to 30 cm tall and wide. It prefers full sun and rich, well-draining soil. It’s commonly used in garden beds, borders, containers, or as a feature plant in seasonal displays.

HOW TO GROW IT FROM SEED
To grow flowering cabbage from seed, sow seeds in late summer to early autumn so the plants can mature during cool weather. Sow directly into trays or garden beds, covering lightly with soil. Keep the soil moist but not soggy. Seeds germinate within 5 to 10 days at around 18 to 22°C.

Once seedlings have 2–3 sets of true leaves, transplant them to their final position, spacing them about 30 cm apart. Provide full sun for best colour development, and water regularly without overwatering. The plant doesn’t require a lot of fertiliser, but a balanced slow-release type can encourage healthy growth. As temperatures drop, the colours become more vivid. Flowering cabbage will last through winter in most Australian regions and adds a stunning splash of colour to cold-weather gardens.