Free garden planner — save plants, plan beds, and get sowing reminders for your spot.
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.
Barbarea verna
herb
A fellow Brassicaceae — similar growing habits to Watercress
Attract Hoverflies, Lacewings, Ladybugs, Parasitic wasps, Ground beetles to keep them in check — plant LovageExcellent, Common VetchExcellent and Hairy VetchExcellent nearby.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.
Keep track of the seeds you own.
Water: High · Height: 30 cm · Soil: Constantly moist to wet — running water ideal
Aleyrodidae
A puff of white when you brush the leaf, and stickiness underneath.
These three thrive alongside Watercress — and alongside each other.
