3 years to reach maturity
This plant has no fragrance
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Onerow Yellowcress Overview
Nasturtium microphyllum is commonly known as Onerow Yellowcress, it is an aquatic, hardy perennial herb that is found naturally across Europe and Asia. It has been naturalised in areas of the US including Canada, Central America and Mexico as well as New Zealand and Australia. Flowers are small and delicate, coloured white-green and these are popular with pollinating insects. The natural habitat of this fast-growing perennial plant is in streams and it is a good indicator of water quality. It floats on the surface of water bodies due to hollow stem structures, foliage is pinnately divided and has a sharp, peppery taste.
Common problems with Onerow Yellowcress
Snails. Whiteflies and Spider mites are problems, but can be held in check by ladybirds.
Onerow Yellowcress Companion Plants
Grow alongside aquatic plants.
How to harvest Onerow Yellowcress
For fresh use, harvest watercress sprigs year round when they are 10 - 15 cm in length, aoubt 8 weeks after sowing. Simply cut the cress; the plant will send out new shoots soon. You can get up to 10 pickings a year. Leaves turn bitter once flowers start blooming.
How to propagate Onerow Yellowcress
The preferred method, because cultivated plants are prone to viruses. Sow the tiny seeds lightly in Spring, in wet, enriched soil. Germination in about 8 days.
Almost any part of the plant, even a single leaf, will form roots in ideal conditions - clean, slow flowing water, about 5cm deep.
Special features of Onerow Yellowcress
Watercress loves clear, running water, but is very adaptabe. Found in the wild in flooded areas. Ideal to plant in a water feature in the garden.
It will do well in a pot that stands in a container filled with water.
Attracts useful insects
Bees like the pollen-rich flowers. Host to beneficial spiders and beetles.
Repels harmful insects
Deters cucumber beetles.
Other uses of Onerow Yellowcress
Garden or ponds.
The sprouts, leaves and stems are used in countless ways in salads, sandwiches and cooked dishes. Nutritionally this plant is in the same league as spinach and cabbage.