Sporadic flowering can occur throughout the season. This southern California native shrub produces a dense mass of small, glossy leaves and purple, petunia-like flowers in late spring and early summer. across (5 cm), from midsummer to fall. In the summer it is better not to take out on the balcony or the garden. This feature has been temporarily disabled during the beta site preview. 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. 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. 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. Are you sure you want to delete your notes for this recipe? This Ruellia variety thrives in full sun or partial shade exposures and is durable and easy to care for plants. Read here to learn more about growing ruellia. 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. Other common names are Desert Petunia and Baja Ruellia. They are a fantastic, no-care plant! When allowed to grow in these conditions, they will produce an abundance of flowers. Very showy, they are attractive to butterflies, bees and other pollinators. We may earn a commission for purchases using our links. They grow rapidly and spread easily, even in conditions that would be less than ideal for many plants. Acanthaceae : Form: Shrub Seasonality: Evergreen. Root cuttings in spring or early summer. They will still flower even in nutrient-deficient soils, though if a soil has a nutrient imbalance, then this is where problems can occur. … Easy to care for and great for use as coverage, ruellia plants offer unique beauty to landscape areas. Fast growing in partial to full sun, Ruellia can become invasive in moist garden soil, spreading by it's root system and reseeding easily. 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. 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 flowers of the Mexican petunia bloom from the middle of summer through to fall. By Amy Grant. Ruellia is a genus of flowering plants commonly known as ruellias or wild petunias. © 2021 The Taunton Press, Inc. All rights reserved. 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. Ruellia peninsularis Desert Ruellia Desert Ruellia is frequently planted along streetscapes and freeways, but its true beauty is best appreciated up-close and personal. Unfortunately, these traits can also enable the plant to become invasive, so it will need to be kept in check. 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. The Mexican petunia (Ruellia rudiflora) is a lovely addition to the garden but has a tendency to take over once it becomes established. It is when the plant is growing in very moist soils that it tends to become overgrown more easily. It will grow in almost any condition, including poor quality soil, but for best results, you should use a well-draining and fertile soil. protected area, Desert Ruellia requires almost no maintenance. Water deeply, regularly during the first growing season to establish an extensive root system. If you want to encourage more flowers to appear, cut back the stems in early spring. What Is Ruellia Wild Petunia: Learn About The Care Of Ruellia Plants. Often confused with Ruellia tweediana, but its leaves are a bit shorter and wider. Get complete site access to decades of expert advice, regional content, and more, plus the print magazine. They can survive drought, flood, heat, and poor soils, which will be a blessing for many gardeners. The content of this field is kept private and will not be shown publicly. 2 more photos VIEW GALLERY. Peak blooming occurs from spring to early summer, with sporadic flowering throughout the year. 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. They flower year round here, and will get thicker if you … If the top layer of soil is already moist, then you don’t need to add any further water. Drought tolerant when established, in cooler summer climates. Root cuttings in spring or early summer. 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. 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. 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. It blooms all year, can grow in wet areas and is an easy plant to grow overall. These flowers have a trumpet or bell shape, and rise high above the foliage of the plant, growing from dark purple-hued stems. Ruellia peninsularis . View gallery. The large, petunia-like blooms are backed by dense clumps of narrow, dark green foliage. Spectacular dwarf variety of this easy to grow, heat-tolerant perennial is loaded with purple flowers through out the warm season. Grows easily in average, well-drained soils. Mexican petunias are incredibly tolerant of any watering conditions. Ruellia, Desert Petunia, Florida Bluebells, Mexican Petunia, Mexican Blue Bells 'Purple Showers' Ruellia simplex. The plant should be cut regularly for branching. Each stem, which would have developed one flower, will respond by branching out several stems, which will each produce a flower. Ruellia simplex can be grown in either the shade or full sun, and is great for edging or mass plantings. This larger species of Ruellia has smaller flowers, which are violet purple. This is the white version of the more common purple Ruellia. Propagation Sow seed in spring. 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. More flowers to appear, cut back the stems in early spring have naturalized themselves in parts Texas. Well-Drained soil flower lasts only a day, with many buds blooming in succession from late through! The primary draw for many of the member-only content library shown publicly you sure you want encourage. 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