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Sign up freePotentially invasive
This species can spread aggressively. Check local guidance before planting, and avoid letting it escape into the wild.
Nasturtium officinale
Peppery aquatic leaf vegetable. Grows best in shallow flowing water or very moist conditions. Harvest before flowering for best flavour. High in vitamins C and K.
🐛 Prone to: Aphids, Flea beetles.
Attract Hoverflies, Lacewings, Ladybirds, Parasitic wasps, Ground beetles to keep them in check — plant African MarigoldGood, AngelicaGreat and AniseGreat nearby.
🌼 Beneficial companion — draws Hoverflies, Parasitic wasps that help control Aphids, Whitefly, Thrips, Caterpillars, Flea beetles, Colorado potato beetle, Stink bugs, Leaf miners on neighbouring plants.
Brassica juncea (Red)
vegetableA fellow Brassicaceae — similar growing habits to Watercress
Start Watercress indoors about 4 weeks before your last frost, keeping seeds in cooler soil (around 10–18 °C). Seeds usually come up in around 7 days. Move seedlings out once the danger of frost has passed, in partial sun, spaced about 15 cm apart. Expect to harvest in roughly 50 days.
Water: High · Height: 30 cm · Soil: Constantly moist to wet — running water ideal