Sow the tiny seeds barely covered with soil. Keep them warm and damp. Germination is slow, so be patient.
Wild arugula has a sprawling habit and feathery, deeply indented leaves. Space plants 10-15cm (4-6") apart in rows 30cm (12") apart. Remember that this perennial plant will re-emerge in spring. Keeping the plants cut will encourage new, more tender growth. Trim the young leaves with scissors as needed.
Use as a cut & come again crop, harvesting with scissors. Baby leaves are mild and tender.
Usual seed life: 3 years.
Diseases & Pests
Flea beetles will cause numerous tiny holes in the leaves. If these appear, try planting a couple of weeks later next year, to avoid their laying cycle. Or plant under lightweight row cover.
How to Grow Wild Arugula
Wild arugula (Diplotaxis tenuifolia and D. erucoides) is a perennial plant that has the advantage of not bolting in hot weather. It has a very similar texture and flavour profile to conventional arugula, and can be used in similar applications: pizza topping, salad green, addition to salad mixes. Plus it can be harvested all summer long, after the other arugula has all gone to seed.
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