Plants in genus ruellia
Ruellia ciliatiflora
Ruellia ciliatiflora is a perennial with square stems and hairy green leaves, growing up to 20 inches tall and wide. It produces purple-blue flowers starting in June and thrives in dry, partially sunny areas. This plant is attractive to butterflies and is suitable for rain gardens.
Ruellia makoyana
Ruellia makoyana, native to Brazil, is an evergreen perennial with velvety, olive green leaves featuring a silver line and purple undersides. It produces bright pink trumpet-shaped flowers in summer and thrives in part sun to shade conditions with moist, well-draining soil.
Ruellia 'Humility'
Ruellia 'Humility' is a perennial related to Ruellia humilis, known for its larger flowers and smooth leaves. It forms a clump about 16 inches tall and 3 feet wide, with rich lavender flowers blooming from mid-June through late summer. This plant is drought-tolerant and attracts hummingbirds, making it a vibrant addition to any garden.
Ruellia 'Oh What A Feeling'
Ruellia 'Oh What A Feeling' is a hybrid plant with fuzzy green leaves and sparse blue flowers that bloom in the morning. It forms a clump about 2 feet wide and tall and is known for its unusual bracts. This sterile hybrid is ideal for sunny gardens and attracts butterflies.
Ruellia humilis
Ruellia humilis is a perennial plant known for its classic purple petunia-like blooms and fuzzy leaves. It is drought-tolerant and attracts pollinators, making it a great choice for low-maintenance gardens. This plant thrives in dry or average well-draining soils and can grow in full sun or partial shade. Its low-growing nature makes it suitable for borders or as groundcover.
Ruellia 'Black Beauty'
Ruellia 'Black Beauty' is a probable hybrid of Ruellia ciliosa, featuring dark black thumb-shaped leaves and mauvy lavender flowers. This winter-deciduous plant forms a clump about 10 inches tall and 18 inches wide. It thrives in full sun, particularly in rock gardens, where its foliage color is most vibrant.
Ruellia simplex
Ruellia simplex is a compact plant native to the southern US, known for its white saucer-shaped flowers and dark green, linear foliage. It blooms from July until frost and performs well in both moist and dry conditions. This plant is a great choice for summer bedding and attracts pollinators.
Ruellia elegans 'Ragin Cajun'
Ruellia elegans 'Ragin Cajun' is a vibrant plant native to regions from Chile to Brazil, known for its bright scarlet-red flowers that bloom from June until frost. This deciduous plant forms clumps up to 4 feet tall and 8 feet wide, performing best in rich, moist soils. It attracts butterflies and hummingbirds, making it a lively addition to gardens.