Perennial or everlasting sweet pea Lathyrus latifolius reshoots every year, producing a mass of small white or rose pink, unscented flowers. Ideal for trailing over fences and trellis, it has a ...

Some plants will only need pinching once, such as bedding plants and sweet peas. Several perennials may need pinching a few times – take out the initial bud of a dahlia and then pinch out the ...