Peas - Marktveroveraar Sow 2–3 cm deep in rows in open ground from early March to mid-May. Marktveroveraar has lots of tendrils and is best grown on a trellis; the plant will grow to around 150 cm tall. Marktveroveraar pea plants produce delicious peas; harvest while the peas are still juicy. The peas should be harvested regularly.