Is Lathyrus latifolius invasive?

Is Lathyrus latifolius invasive?

This European native makes an attractive summer flowering plant, either sprawling over other herbacous perennials or climbing up a fence, trellis or shrub. Spreading but not too much, it can be distinguised from the more invasive Lathyrus grandiflorus by it’s winged stems. Everlasting sweet pea.

Is perennial sweet pea invasive?

Annual or Perennial In many areas of North America, the perennial sweet pea (L. latifolius) is an invasive problem, clogging open fields and roadsides.

Is Lathyrus latifolius a sweet pea?

Lathyrus latifolius (Everlasting sweet pea) is available with either white or pink flowers. Fast-growing and very simple to maintain. Supported height to 6ft (2m), spread to 3ft (1m). The cultivar ‘Rosa Perle’ bears a bright display of delicate pink-lilac flowers throughout the summer.

How do you care for perennial sweet peas?

Cut perennial Lathyrus back to ground level in autumn or, preferably, leave the cutting back until February so the dead stems provide cover for wildlife in winter. Simply pull out and compost annual sweet peas once flowering has finished at the end of summer. In hot, dry seasons this might be a bit sooner.

Does sweet pea come back every year?

Most sweet pea varieties are annuals. Perennial sweet peas: Perennial sweet peas come back year after year. You do not need to replant them after the growing season ends, and they will continue to grow for a longer period of time.

Do perennial sweet peas have a scent?

Much underrated, perennial sweet peas like Lathyrus latifolius and Lathyrus rotundifolius are tough, easy-to-grow plants. Though they lack the scent of the annual types, they’re brilliant for pollinating insects and have colourful flowers that will return year after year.

How tall do perennial sweet peas grow?

approximately 8 feet
Perennial. Flower June to September. Grow to approximately 8 feet (2.4 metres) tall (require support). Thrive in full sun and a rich soil.

Do sweet peas come back every year?

There are annual and perennial types of sweet pea flowers. The annuals, Lathyrus odoratus, are usually highly fragrant climbers that last for one season and have to be sown fresh every year. The perennial or ‘everlasting’ types, Lathyrus latifolius, come back every spring, but most have little to no scent.

Is Lathyrus latifolius fragrant?

Unlike Lathyrus odoratus, the flowers of Everlasting Peas are not fragrant. Easy to grow, Lathyrus latifolius requires little care and enjoys some drought tolerance.

What month do you plant sweet peas?

Sow sweet pea seeds between October and April. For best results aim for late October/November or late February/March as temperatures and light levels are less than ideal in midwinter. Sweet peas can also be sown direct into the ground in April or May.

How long do sweet pea plants last?

What is the strongest smelling sweet pea?

Lathyrus odoratus ‘Matucana’ An old fashioned variety that has been around for hundreds of years. It is perhaps the most famous of the really fragrant sweet peas.