One person's "invasive" is another person's "spreading with no trouble." In fact, these plants can improve the quality of poor soil by fixing the nitrogen levels when planted temporarily. Synonym(s): perennial pea, everlasting peavine, everlasting pea, perennial peavine, Perennial sweetpea Native Range: Europe ( BAIL ); Selected Images from Invasive.org everlasting-pea, perennial pea, perennialsweetpea Introduction: Perennial peavine is a widely established European native identified in every state except Florida and North Dakota. 1 Know What You’re Growing. The perennial sweet pea plant prefers a soil that is normal to moist and can tolerate some sand and clay loam soils. It is an annual climbing plant, growing to a height of 1–2 metres (3 ft 3 in–6 ft 7 in), where suitable support is available. The annual ones (Lathyrus odoratus) are the single-season beauties we know and love.In many areas of North America, the perennial sweet pea (L. latifolius) is an invasive problem, clogging open fields and roadsides.It looks pretty until you realize it’s crowding out other plants and acting like a thug. 6 too, and have had both plants you mention in your post, I got rid of the perennial sweet pea - it outgrew its spot (way too small, I was thinking more of the annual sweet pea's size) and was not fragrant. The sweet pea, Lathyrus odoratus, is a flowering plant in the genus Lathyrus in the family Fabaceae (), native to Sicily, southern Italy and the Aegean Islands.. Few shrubs put on a better fall foliage display. Consider burning bush (Euonymus alatus) for example—an exotic (or "alien") shrub from Asia. It is very invasive on road shoulders and seasonally dry meadows. Sweet peas are popular garden plants because of their large, fragrant flowers colored pink, red, blue, purple, orange or white. Perennial sweet peas tend to … While most sweet pea plants are annuals, there are a few perennial types available. Perennial sweet pea (Lathyrus latifolius; Fabaceae) is an herbaceous perennial vine in the pea family that has a long history in horticulture as an ornamental. A There are two basic types of sweet peas: annual and perennial. It has naturalized throughout the United States, in Australia, and beyond its historic native range, across northern Africa and southern Europe. I'm in z. Sweet peas grow as vines or as bushes and prefer cooler climates. Some invasive plants listed are quite attractive. Are two basic types of sweet peas: annual and perennial grow as vines or as bushes and cooler... Better fall foliage display beyond its historic native range, across northern and! 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