How to Prune two-flowered everlasting pea?
Cut back to ground level in autumn

two-flowered everlasting pea · Lathyrus grandiflorus
Also known as: everlasting pea; large-flowered everlasting pea
Best allowed to scramble through shrubs or over banks and slopes. Can be grown in sun or partial shade in fertile well-drained soil. It has tendency to run, particularly on light sandy soils. See sweetpea cultivation for further information
Cut back to ground level in autumn