What Is Ruellia Wild Petunia: Learn About The Care Of Ruellia Plants. Each flower only lasts one day, but during the long blooming season, the plant produces so many flowers that you will never be short on the pretty purple blossoms. After the flower fades, it will develop into a pod resembling a bean pod, containing a cluster of seeds. Ruellia peninsularis . The plant can have a tendency to self-seed quite aggressively, with the seeds dispersing themselves as much as 10 feet away from the plant. Acanthaceae : Form: Shrub Seasonality: Evergreen. The large, petunia-like blooms are backed by dense clumps of narrow, dark green foliage. Desert Ruellia blooms more when in full sun, which is plentiful in the Phoenix area. Mexican petunias are a pretty flowering evergreen perennial that can be grown in containers, as shrub-like plants, or as ground cover. Prune old foliage before new leaves emerge in early spring. These flowers have a trumpet or bell shape, and rise high above the foliage of the plant, growing from dark purple-hued stems. Mexican petunias are a very hardy plant in many aspects, and they will tolerate a wide range of suboptimal growing conditions, but the one area in which they fall down is in very low temperatures. This feature has been temporarily disabled during the beta site preview. The flowers of the Mexican petunia bloom from the middle of summer through to fall. Mexican petunias, also known as desert petunias, produce more flowers the more sunlight they have, so choose a sunny spot in your yard. This is the white version of the more common purple Ruellia. Propagation Sow seed in spring. Double Knockout Rose - Varieties, Care & Planting Information, 10 Best Perennial Flowers For Your Garden, 8 Exciting Japanese Flowers - Photos, Uses, and Care Guides, 9 Mexican Flowers with Photos & Growing Guides, Mexican petunia, Mexican bluebell, Florida bluebell, Desert petunia, Britton’s wild petunia, Purple ruellia. 9 Different Indoor Tropical Plants - Growing Guides & Photos. By Amy Grant. protected area, Desert Ruellia requires almost no maintenance. It blooms all year, can grow in wet areas and is an easy plant to grow overall. Pink flowers on and off. If you would rather not have your garden taken over by Mexican petunias, you will need to deadhead the blooms once they fade. They have no scent but are still very attractive to butterflies, hummingbirds, and other pollinators. It readily self-seeds and has been classified as an invasive plant in the state of Florida. … Southern Plains: January Garden To-Do List, Traveling Plants | Letter from the Editor, A Fool and His Garden | Letter from the Editor, Dahlias Don’t Ask Much | Letter from the Editor, It’s Just Business | Letter from the Editor. ARIZONA-SONORA DESERT MUSEUM PLANT CARE INFORMATION Dwarf Ruellia Ruellia brittonii DESCRIPTION: Dwarf Ruellia is a low-growing, herbaceous perennial with long, narrow, dark green leaves. This southern California native shrub produces a dense mass of small, glossy leaves and purple, petunia-like flowers in late spring and early summer. Desert Ruellia (Ruellia peninsularis) is a medium-sized shrub with light green foliage and purple flowers that appear spring through fall. Easy to care for and great for use as coverage, ruellia plants offer unique beauty to landscape areas. Root cuttings in spring or early summer. Size: 3 ft high by 4 ft wide Leaves: Opposite, medium green, lance shaped Flowers: Purple, bell shaped with ruffled edges Fruit: Seed Stems/Trunks: Upright Range/Origin: Baja California, Sonora Desert Hardiness: Sunset Zones 12,13, 21-24, 28 o F Mexican petunias thrive in full sun. As the Mexican petunia will grow in both dry or wet soil, the soil quality isn’t terribly important for this plant. They are most tolerant of the heat when grown in moist conditions and note that when grown in a hot climate, the plant will like to be watered more frequently. The content of this field is kept private and will not be shown publicly. An improved dwarf variety that continues to bloom summer-long, without deadheading! Trees.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Sporadic flowering can occur throughout the season. So, what is ruellia and can it be grown in the garden? Baja Ruellia . Ruellia is a genus of flowering plants commonly known as ruellias or wild petunias. Heat and drought tolerant. They will survive both drought and flood, with no noticeable detrimental effects. Ruellia peninsularis (Desert Ruellia, Baja Ruellia) Shrub. As a hardy perennial (you only need to plant them once), the Mexican petunia is one of several desert plants that are recommended for warm, dry climates. Borne solitary or in clusters at the tips of purplish stems, they rise above the foliage of lance-shaped, glossy green leaves. Aside from flower production, the other way Mexican petunias are affected by light is with the color of their stems. I. f you want to keep it under control in your garden, then allow the plant a little less water. They will still flower even in nutrient-deficient soils, though if a soil has a nutrient imbalance, then this is where problems can occur. If the top layer of soil is already moist, then you don’t need to add any further water. Ruellia is a very easy to grow shrub that reaches 3 to 4 ft in height with purple flowers that constantly bloom from Spring through the Fall. This Ruellia variety thrives in full sun or partial shade exposures and is durable and easy to care for plants. Save my name, email, and website in this browser for the next time I comment. They grow rapidly and spread easily, even in conditions that would be less than ideal for many plants. Tough plant that takes dry or wet soil. Soil drainag… Avoid repeated pruning during the year. These are a favorite for anyone that does not have a green thumb and still wants to have a thriving, colorful plant in their yard! If you prefer a well-manicured style, then prune the plant to your desired shape. As the plant is not sensitive to heat, the time of day when the Mexican petunia gets direct sun is not important, though in general, sun in the morning and shade in the afternoon is preferable when growing a plant in partial shade. These desert plants aren't rare; after a while, you'll notice that they are everywhere -- even on the highways and in public parks. Ruellia, Desert Petunia, Florida Bluebells, Mexican Petunia, Mexican Blue Bells 'Purple Showers' Ruellia simplex. The widely adaptable dwarf Mexican petunia (Ruellia brittoniana) has been named a Texas Superstar® by Texas A&M University.“I first observed Ruellia growing in the neglected space between a sidewalk and the street in San Antonio,” said Dr. Wayne Mackay, Texas Agricultural Experiment Station horticulture researcher at Texas A&M Dallas. CareDesert ruellia prefers full sun and well-drained soil. Interestingly, the stem of this plant becomes more purple when it’s in bright light, as opposed to when it’s grown in a shady area, where the stem stays fairly green. Care Desert ruellia prefers full sun and well-drained soil. Get complete site access to decades of expert advice, regional content, and more, plus the print magazine. Mexican petunias will propagate easily from stem cuttings in the summer months, but this is not something that most gardeners have to do, as the plants readily self-seed to supply the garden with an endless supply of new Mexican petunias. Root cuttings in spring or early summer. If you grow these plants in containers, you have the option of moving them throughout the year to a full sun position during summertime, then a more protected and potentially shaded position during cooler months. 2 more photos VIEW GALLERY. If you are growing these plants in a cooler climate, they should be protected from cold winters, either by moving them to a protected position out of the cold breeze, by bringing them indoors or by covering them with gardening fleece. If you experience a fairly dry winter, then you can continue to water the plant whenever the soil appears visibly dried out. The Mexican petunia (Ruellia rudiflora) is a lovely addition to the garden but has a tendency to take over once it becomes established. They are inexpensive, low … Though Mexican petunias are highly adaptable to most soil types, they grow better in fertile soil that is well drained and capable of retaining the required amounts of moisture. This tough, heat-loving perennial is disease and insect resistant. Ruellia brittoniana 'Purple Showers'. Sign up for a free trial and get access to ALL our regional content, plus the rest Email The content of this field is kept private and will not be shown publicly. Read here to learn more about growing ruellia. If you have a Mexican petunia that is struggling to flower but has lots of lush foliage growth, then you may need to test your soil for nutrient imbalance. In the summer it is better not to take out on the balcony or the garden. In freezing climates, prune back damaged foliage in early spring. Do not over-water as it leads to root-rot. Peak blooming occurs from spring to early summer, with sporadic flowering throughout the year. They typically measure around 2 inches in diameter and have a delicate lilac-blue color. During a visit to a nursery some time ago, I noticed a white flowering variety of the more commonplace purple ‘Katie’ ruellia and I immediately decided that I liked the white color better. The seeds have been known to travel quite a distance from the plant; this is helped by rainfall or watering hoses, which can carry the seeds further than usual. View gallery. They enjoy the warmth and can happily grow in a full sun position where they can bask in the heat all day long. Amend the planting spot with some mature compost, and remove all weeds four to five weeks before planting. It is so tolerant of soggy soil that it can be grown in up to 6 inches of water, along with other bog plants in shallow streams and waterlogged riverbanks. You can try to flush out the nitrogen with lots of generous watering to resolve this problem, or you can add a layer of mulch to the surface of the soil, as this can help to draw nitrogen out. Flowers may be purple, pink or blue depending on cultivar. Learn more. Propagation Sow seed in spring. Features of care: The main difficulty is the formation of an attractive appearance of the plant. Desert Ruellia Ruellia peninsularis A southwestern U.S. native shrub that produces masses of deep blue, almost purple dense petunia-like flowers against light green foliage. They will also grow in partial shade, though plants grown in a partly shaded position may experience less flower development than those grown in full sun. Why? A perennial, the Mexican petunia grows to 3 feet in height and bears light purple flowers. Christmas Tree Economics: Are Baby Boomers Killing the Christmas Tree Industry? The funnel-shaped flowers are the primary draw for many of the species and are sometimes called Mexican petunias. If you have a history of poor watering habits or have experienced plants that die from either overwatering or from lack of water, then the Mexican petunia would be a great feature in your garden, as it will not have a problem with inconsistent watering. They can survive drought, flood, heat, and poor soils, which will be a blessing for many gardeners. This shrub is a great alternative for Texas Sage because it does not grow as large. this evergreen shrub has a naturally rounded form, with white-grey stems, small glossy green leaves, and deep blue flowers. RECOMMENDED USE: Can be used as a colorful accent in sun or light shade; lightly clipped, it makes a nice border. Water in early morning or late evening when temperatures are cooler and direct sun will not cook off the moisture before it can seep down to the roots. Ruellia peninsularis Desert Ruellia Desert Ruellia is frequently planted along streetscapes and freeways, but its true beauty is best appreciated up-close and personal. They resemble petunia’s, as you would expect from their common name, but in fact, the Mexican petunia is not a petunia at all. This species is non-invasive, unlike Ruellia brittoniana, a moderate water plant with long, glossy leaves. In the most extreme cases, you may need to dig up your plant and transplant it to a different soil. Plant in full sun and well-drained soils. If your soil is nutrient deficient, your Mexican petunia should still produce a good number of flowers, but you can help it along by adding a balanced fertilizer if you wish. Grows 3 feet tall, 1 feet wide, with lavender flowers in summer. Forms a naturally neat, mounded form. You can also deadhead the plant if you want to prevent self-seeding. They flower year round here, and will get thicker if you … You must be a magazine subscriber to access this feature. Do you have additional information or a different experience for this plant that you would like to share? Spreading shrub. Once established, reduce frequency; tolerates moderate drought. Faded flowers should be … Desert ruellia is not a fussy plant; its requirements are few. Large lavender-blue flowers are backed by low, spreading mounds narrow, dark green foliage. When growing in a colder climate, grow your Mexican petunias in containers so that you have the option of portability during the winter. Fast growing in partial to full sun, Ruellia can become invasive in moist garden soil, spreading by it's root system and reseeding easily. Spectacular dwarf variety of this easy to grow, heat-tolerant perennial is loaded with purple flowers through out the warm season. Evergreen. Soil, which is high in nitrogen, will see the Mexican petunia produce lots of dark green foliage in favor of flowers. When allowed to grow in these conditions, they will produce an abundance of flowers. Katie Blue Dwarf Mexican Petunia is a lovely dwarf perennial that produces loads of bluish purple trumpet shaped flowers tucked in among the dark green glossy foliage from … Shrubs, subshrubs, and evergreen perennials in about 150 species from tropical America, Africa, and Asia belong to the genus Ruellia. Mexican petunias are very heat-tolerant, so don’t feel the need to shade them to protect them from the heat. The deep purple flowers and interesting white-grey stems make for some great contrast. If you want more of this plant growing in your garden, simply allow the flowers to turn to seed; they will drop to the ground and sow themselves where they land. Often confused with Ruellia tweediana, but its leaves are a bit shorter and wider. Several desert plants are perennial (you need to plant them only once), hardy, low care, relatively drought tolerant, easy to find, pretty cheap to buy, and provide lovely color many times during the year. You can do this by watering the plant as soon as the top layer of the soil starts to dry out. of the member-only content library. The only soil a Mexican petunia may have a problem with is very acidic soil, so if your plant is struggling to grow, you should consider checking the pH of your soil in case this is the reason. This larger species of Ruellia has smaller flowers, which are violet purple. If the soil is not well drained, mix in compost with the existing soil at a ratio of one part compost to one part native soil. Mexican Petunia (Ruellia brittoniana) – Growing and Care Information by Max - last update on December 9, 2020, 8:37 am Mexican petunias are a pretty flowering evergreen perennial that can be grown in containers, as shrub-like plants, or as ground cover . These plants are hardy through USDA hardiness zones 7 to 11. Select a … Maintenance: Prune back to 1 1/2 ft. in early March. Other common names are Desert Petunia and Baja Ruellia. By tactically pruning the plant in this way, you can increase the flower production quite dramatically, but the plant does tend to flower quite prolifically even without this measure. They are a fantastic, no-care plant! It is when the plant is growing in very moist soils that it tends to become overgrown more easily. Ruellia Brittoniana Pink Ruellia Brittoniana Brittish Ruellia is a fast growing upright evergreen. across (5 cm), from midsummer to fall. Height 3 to 4ft. In freezing climates, prune back damaged foliage in early spring. Mexican petunias are incredibly tolerant of any watering conditions. Native to Baja California. Water deeply, regularly during the first growing season to establish an extensive root system. However, temperatures in mid-20's F will cause damage, requiring some pruning in the early spring. During winter, you shouldn’t need to water the plant so long as there is sufficient rainfall. Quickly fills in as a ground cover. Plant it in well-drained soil in a hole that is three times as wide as the rootball. They have also naturalized in Florida, where they grow so aggressively that they are able to choke out other plants that are native to the state. Mexican petunias do not require feeding. Texas Superstar plants, descriptions and details. It will grow in almost any condition, including poor quality soil, but for best results, you should use a well-draining and fertile soil. Your email address will not be published. Plant database entry for Dwarf Mexican Petunia (Ruellia simplex Bonita™) with 2 images and 14 data details. Aside from removing dead or damaged stems, this plant doesn’t necessarily require pruning, but it depends on the type of look you like in your garden. In bright light, their stems will be purple, while plants kept in partial shade will have bright green stems (SF Gate). We may earn a commission for purchases using our links. Unfortunately, these traits can also enable the plant to become invasive, so it will need to be kept in check. Plant Desert Ruellia in full sun to maintain a dense form. Like a daylily, each flower lasts only a day, with many buds blooming in succession from late spring through summer. They will thrive in warmer climates and have naturalized themselves in parts of Texas, Hawaii, and South Carolina. In terms of frequency of watering, this will depend on lots of variables, including the lighting position that your plant is grown in, the climate, the type of soil, and whether it is growing directly in the ground or in a pot. Very showy, they are attractive to butterflies, bees and other pollinators. The plant grows rapidly, and because of this, it is known as an invasive species in some regions, notably Florida. Durable and easy to care for plants notes for this plant it blooms all year, grow. Their stems any watering conditions will not be shown publicly growing season to establish extensive! Become invasive, so don ’ t terribly important for this plant that you would not. In hot, sunny gardens with lean, fast draining soil traits can also deadhead blooms... 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