Mexican petunia also known as mexican bluebell or britton s petunia is described as a hardy perennial edging plant for flower beds and as colorful groundcovers scientific names include ruellia brittoniana r. With forms tall and short this evergreen herbaceous perennial suitable for growers in usda hardiness zones 8 11 deserves consideration for inclusion in southern gardens.
The ruellia simplex is not very particular about their soil.
نبات ruellia simplex. Simplex can be divisive. Thanks to its sweet purple flowers however we come down firmly on the pro ruellia side of the debate. Ruellia simplex commonly called mexican petunia or texas petunia is a vigorous shrubby woody based rhizomatous perennial that is grown as an annual north of usda zone 8.
The wild form has purple flowers and is native to mexico western south america and the antilles. Mexican petunia ruellia simplex synonyms r. It now occurs across seq in natural waterways drains dams ponds and wetlands.
Tweediana but taxonomists now use the name ruellia simplex which was the first name used to describe this species. Ruellia simplex is an evergreen perennial growing 3 ft 0 91 m tall forming colonies of stalks with lance shaped leaves that are 6 to 12 in 15 to 30 cm and 5 to 75 in 1 3 to 1 9 cm wide. From south carolina to texas plus hawaii puerto rico and the u.
Beloved by many gardeners for its heat tolerance and shade loving nature but reviled by others for its eagerness to spread with abandon r. Brittonia also known as mexican bluebell or britton s wild petunia this plant is native to mexico the caribbean and south america. There is a dwarf variety that is only 1 ft 0 30 m tall.
For example it is listed as a significant non declared pest plant in maroochy shire an undesirable plant in caboolture shire and a weed of natural bushland and waterways in gold coast city. Mexican petunia ruellia simplex is regarded as an environmental weed in queensland and is of particular concern in the south eastern parts of this state where it was recently ranked among the 200 most invasive plant species. Trumpet shaped flowers are metallic blue to purple with five petals and 3 in 7 6 cm wide.
The ruellia simplex is native to mexico south america and the caribbean. It is native to mexico but has escaped gardens and naturalized somewhat aggressively in parts of the southeastern u. They are perennial in usda zones 8a 11 and florida has listed them as an invasive species.
Five species of ruelliaare native to florida and three nonnative species are listed as naturalized in the state including r. Ruellia simplex mexican bluebell mexican petunia or britton s wild petunia is an herbaceous perennial usda hardiness zone 8 11 in the family acanthaceae. Ruellia simplex in the south bed on 6 6 11 155 24.