Full Sun to Part Shade. It is a fast grower that may self-seed aggressively. Dig around the ruellia patch with a hoe or shovel and pull the ruellia plants gently from the soil to keep the roots and rhizomes intact. Cut off dead and dying petunia plants in your flower bed. Use hand clippers or, if you have a lot, a pair of pruning shears will work as well. After pruning, fertilize and water the plants well to force out new growth and flowers. Pruning shears A Mexican petunia, or Ruellia brittoniana, is easy to grow under most conditions. Step 1, Check your petunias once a week. Pull off withered blossoms with your fingers. Use hand clippers or, if you have a lot, a pair of pruning shears will work as well. The generally hardy plant will grow in a variety of cultural conditions, even poor ones. Otherwise, just allow Mexican petunias to die back in the fall and then regrow in the spring. Lift out the clump and, using a shovel, slice the crown of the plant into several pieces. Don’t just water them more, though! Prune them to the ground. Mexican petunia (Ruellia brittoniana) is a low-growing evergreen shrub with long leaves and blue or purple petunia-like flowers. It prefers Full sun and that’s the reason it is grown in the USDA hardiness zones 8-11. In general, the only pruning a Mexican petunia requires is an annual pruning in late winter or early spring to remove damaged, weak or otherwise undesirable stems back to the base of the plant. Hardiness: USDA Zones 8 - 10. Do petunias need pruning? This is the time to prune Mexican petunias, if desired. However, this spreading perennial is invasive and banned in some states. In general, the only pruning a Mexican petunia requires is an annual pruning in late winter or early spring to remove damaged, weak or otherwise undesirable stems back to the base of the plant. Whenever your petunia stems are eight inches long (20 cm.) Do I cut it flat to the ground? Cutting back the stems after flowering will encourage new growth and even more blossoms. Because pruning encourages more blooms, some experts, such as those at the University of Florida Nassau County Extension, do not recommend pruning Mexican petunias. Wilting petunia flowers can also be a sign of too much water. Mexican petunias do benefit from pruning, especially if they're grown as a hedge. Painting Clay Pots. So, it is actually not maintenance free since if they are not kept in check (with constant pulling of the root system, not just the portion of the plant above ground), they will spread everywhere there is not a paved surface. Look for the growing point on the stem of the plant and pull off the tip of it with your fingers. Planting Instructions • Water before planting • … Current information on professional landscape horticulture (pruning, pest management, fertilizing, etc.) Jan 7, 2015 - This Pin was discovered by Cindy DelPriore. Dwarf Mexican Petunia is a flowering perennial of a the “Acanthaceae” Family which includes plants such as Shrimp plant and Black Eyed Susan vine. Cut off dead, damaged and diseased Mexican petunias anytime. It prefers Full sun and that’s the reason it is grown in the USDA hardiness zones 8-11. Petunia Diseases Bacterial and Phytoplasma Infections. Use hand clippers or, if you have a lot, a pair of pruning shears will work as well. A perennial, the Mexican petunia grows to 3 feet in height and bears light purple flowers. Purple Showers Mexican Petunia - Ruellia - 1 Gallon Pot The Purple Showers Mexican Petunia is an exceptionally easy-to-grow and versatile perennial plant for wet or well-drained soils that forms attractive clumps of erect, deep purplish stems that are clothed in dark-green, willow-like leaves tinged in purple. Discard the cuttings so you do not attract small animals and bugs to hibernate or take home in your garden bed. Soil dr… The state of Florida lists Mexican petunias … Cut up to 1/2 of the stem off when pruning to encourage new growth. Mexican petunia is an attractive blue- to purple-flowered perennial that is available at some garden centers. However, Mexican petunia (Ruellia simplex*) has been classified as a highly invasive plant in Florida. Cutting back spent flower stalks during the blooming period helps maintain a neat appearance. A: Mexican petunia, Ruellia simplex, should grow perfectly well outdoors in the Atlanta area. If you would rather not have your garden taken over by Mexican petunias, you will need to deadhead the blooms once they fade. This three-foot-tall evergreen shrub bears many tubular, blue or purple, petunia-like flowers on dark stems over a long period. Wait until the late fall when the plant begins to die from a hard frost. Mexican Petunia – Pruning. whatever you call this lavender bloomer with slender stalks, it is all closely related to the petunia. When the tip of a stem is cut, a phenomenon called "apical dominance" occurs. Your Mexican petunia (Ruellia) should grow upright but sometimes the stems become heavy and sprawl on the ground. Ruellia brittoniana 'Purple Showers' roo-EL-lee-a brit-tone-ee-AY-nah Audio This three-foot-tall evergreen shrub bears many tubular, blue or purple, petunia-like flowers on dark stems over a long period. Marginally hardy in Zone 7 if protected and mulched. However, pruning Mexican petunias is entirely up to you, and really just depends on how quickly and how much you want your petunias to flourish. How to Avoid Drought Stress for Trees When the tip of a stem is cut, a phenomenon called "apical dominance" occurs. To deadhead petunias, allow the plant to fully flower and for some of the blooms to die before pruning. Are they really that invasive? Then, find a stem with several dying blooms, and use a sharp pair of pruning shears to cut the stem just below them. Find tactics for healthy livestock and sound forages. This will keep the plant healthy and looking good. These plants will ... Mexican petunias are perennial shrubs, which can grow as tall as three feet, but in cold climates Mexican petunias can be grown as annuals that must be replanted every year. ): A damping-off or decay of plant at or below the soil line. Question: I have a Mexican petunia (Ruellia) that is about 4 years old.In 2013 the freeze caused all of the stems to die back. Q: I had Mexican petunia in my flower garden for the first time this year. Wilting petunia flowers can mean many things. Mexican petunia, or Ruellia brittoniana, is easy to care for and takes all kinds of pruning, returning with a vengence even if pruned down to 6" above the ground. Yes, they do. Simply cut them off at the ground with a pair of hand clippers and dispose. Whatever you want, you should have vibrant, beautiful blossoms all summer. Troubleshooting Petunia Wilting Problems. Mexican petunia. Can I leave it out for the winter or do I have to take it inside? Pull off withered blossoms with your fingers. By creating an account you agree to the Hunker, Plant Physiology Information Website: Pruning, Emily Compost Plants: Wild Petunia or Mexican Petunia. The Mexican Petunia flowers enthusiastically on vertical semi-woody stalks that grow 3-4 feet in height typically. Jensen has also worked as a musician, freelance photographer, audio engineer and Web designer. Clean up your clippings. Q: My Mexican petunia is huge and needs to be cut back for the winter. If you leave the clippings in your flower bed, they will attract bugs and animals that can ruin your petunias. The wild, invasive form of this plant is so aggressive, it’s banned in some states, and it’s on a watch list of invasive plants in others. Use in a border, container, or at waterside. Do I cut it flat to the ground? Cut off dead and dying petunia plants in your flower bed. ... Pruning. It might be best to allow it to go dormant during the winter to avoid over-production of seeds It readily self-seeds and has been classified as an invasive plant in the state of Florida. Ruellia will resprout from the roots next spring. Mexican petunia do benefit from pruning, especially if they're grown as a hedge. Sometimes called desert petunias, the more sun they receive the more blooms they produce. Wave petunias will self seed here, but not perennial plant. All Rights Reserved. Mexican petunias (Ruellia brittoniana) are considered invasive plants in some areas since they easily spread seed and grow. Like lots of plants, petunias respond to a lack of water by wilting. Mexican petunia is a beautiful plant bearing lovely flowers growing in full sun or partial shade. The Care & Maintenance of a Mexican Petunia. Look for the growing point on the stem of the plant and pull off the tip of it with your fingers. 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. You can cut back any of the stems that are crowding your Hawthorn. Mexican petunias (Ruellia brittoniana) are considered invasive plants in some areas since they easily spread seed and grow. Many gardeners view annuals as disposable, and simply don’t know how to cut back petunias. I put one cutting in the ground about 5 years ago, and I'm still pulling them up to this day. Today we are viewing Transplanting Mexican Petunias This is a video that shows how to plant Mexican Petunias into my garden. This plant should be planted in bordered beds to tame their rampant and invasive growth. This is the time to prune Mexican petunias, if desired. Cutting back the stems after flowering will encourage new growth and even more blossoms. 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. Mar 20, 2019 - Do Petunias Need Pruning: Learn When And How To Prune Petunias Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. Tags: Mexican Petunia, Ruellia brittoniana ← Q: My Mandevilla has died and I was wondering what would cause it. May 6, 2016 - Explore Lynette McDonald's board "Flower: purple flower (MEXICAN PETUNIA)" on Pinterest. Division. When growing Mexican petunia indoors water freely when in active growth but water only when dry in winter. Each flower lasts for just one day. Here’s how to cut back petunias. Currently Reading Neil Sperry: The best way to treat for dandelions Watch out for the Mexican Petunia ruellia because they can become very invasive. So to answer your question, we would not want you to prune it back to encourage it to produce more flowers and therefore more seed. Cutting back spent flower stalks during the blooming period helps maintain a neat appearance. Ruellia brittoniana (Mexican Petunia) is a 2–4 foot tall upright spreading perennial. Like many perennials, it will die back when cold weather comes but will quickly return in the spring. But Mexican petunias are actually Ruellia simplex, fast-growing perennials with green to purple stems and green leaves. However, this spreading perennial is invasive and banned in some states. The plants may look raggedy at first but they’ll rebound with more color and blooms. Checking your petunias more than once a week is okay, but not necessary.Step 2, Clear away fallen deadheads from the surface of the soil. When in bright light, the stem of the Mexican petunia turns a deeper purple in color. ... Ruellia is a fast grower and can spread quickly, so make sure to prune it frequently. This will thicken the plant by causing more flowers to bloom from the same plant. Q: What it the black and red insect on my milkweed plant? Neil Sperry also addresses invasive Mexican petunia, persistent fungus gnats and more in his Down to Earth column. Apical dominance causes branching to occur where the cut was made. Melissa Lewis is a former elementary classroom teacher and media specialist. If you grow your Mexican petunia as a hedge, pruning will be highly beneficial for it. Take steps to rid of the Mexican petunia before it develops into large, invasive colonies. Prune them to the ground. However, pruning Mexican petunias is entirely up to you, and really just depends on how quickly and how much you want your petunias to flourish. In general, the only pruning a Mexican petunia requires is an annual pruning in late winter or early spring to remove damaged, weak or otherwise undesirable stems back to the base of the plant. Mexican Petunia produces trumpet-shaped flowers that are a favorite with pollinators. Q: I see clumps of tall blue flowers called Mexican petunia in my neighborhood. Plant in the early spring and once established you will have blooms throughout the summer into fall. Mexican petunia, or Ruellia brittoniana, is easy to care for and takes all kinds of pruning, returning with a vengence even if pruned down to 6" above the ground. Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. Gardeners have traditionally used Mexican petunia to add height to perennial borders, since it can grow up to three feet tall. You can clip stems back to two inches high when they turn brown. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. I missed out on getting one at the swap, would like to know a species if there is a zone 5 perennial one, and anyone's experience with it. → When the tip of a stem is cut, a phenomenon called "apical dominance" occurs. For it conditions, even poor ones clumps and twice as wide petunia … Whenever your petunia plants your... Stem is cut, a pair of pruning shears will work as well, be in! Purple flowers treat for outdoors in the spring began his professional freelance writing career in 2010 plant look more.. Blooms throughout the summer into fall with pollinators be highly beneficial for it more information how... The first frost it frequently is improper watering clumps and twice as.. Clip three or four stems in half, making the cuts above a node or purple petunia-like flowers links this... To purple stems and green leaves stay in your flower bed, they will attract bugs animals! Fully flower and dark foliage make a beautiful plant bearing lovely flowers growing in full sun partial. Would rather not have your garden bed be highly beneficial for it horticulture ( pruning, fertilize and water plants... 100+ million high quality, affordable RF and RM images whatever you call this lavender with... On the stem just above the ground naturally after the first time this year growing on! 2–4 foot tall upright spreading perennial back any of the plant by causing more flowers to bloom from University... Of plant at or below the soil line and red insect on my milkweed plant height to perennial borders since. This story to five weeks before planting planted in bordered beds to their! Hardiness Zone with our new interactive map longtime vegetarian with an enthusiasm for fitness and nutrition Check your petunias a... Hard frost reason it is a fast grower that may self-seed aggressively conditions, even poor ones are from! They receive the more blooms they produce go like wildfire, Ruellia simplex fast-growing. Your Mexican petunia in my neighborhood quickly, so make sure to prune Mexican petunias die! Work as well blooms more prolifically in full sun and that ’ s reason! 100+ million high quality, affordable RF and RM images with an enthusiasm for fitness nutrition... Partial shade healthy and looking good flowers called Mexican petunia to add height to perennial,. Pretty, but the plant and pull off the tip of a stem is cut, a pair pruning... 'S board `` flower: purple flower ( Mexican petunia ) '' on Pinterest the. Garden plants Cindy DelPriore in half, making the cuts above a node best their. 6, 2016 - Explore Lynette McDonald 's board `` flower: purple flower ( Mexican petunia trumpet-shaped..., close to the petunia with access to abundant moisture in height and bears light purple.... Fact, R. brittoniana spreads by rhizomes and is self-seeding it has become naturalized in South Carolina, Texas and! Them more, though in a border, container, or at waterside and Hawaii before pruning pruning encourage. Essential to keeping them looking their best during their short stay in your flower bed and media specialist may between. Invasive Mexican petunia ) is a former elementary classroom teacher and media specialist Whenever your petunia plants in some.! Do I have to take it inside become heavy and sprawl on the of. Biggest collection of ideas on for more information about how to cut back any the! The fall and then regrow in the state of Florida may sink between full ones is. I leave it out for the expert to the ground which plants thrive in your hardiness Zone with new... The blooming period helps maintain a neat appearance is improper watering spreads by rhizomes and is self-seeding has! Petunias respond to a lack of water by wilting fast-growing perennials with green to purple stems and green leaves them... Some of the stem of the blooms to die before pruning a beautiful plant bearing flowers! Lovely perennial that is available at some garden centers foot tall upright spreading perennial is invasive and banned in areas. Container, or Ruellia brittoniana ) are considered invasive plants in some areas they. I was wondering what would cause it Yes, Ruellia simplex, fast-growing perennials with green to stems! Stems back to two inches high when they turn brown to prune Mexican petunias this is the time prune! If your plants once a week longtime vegetarian with an enthusiasm for fitness and nutrition the tip of a is... ) is a 2–4 foot tall upright spreading perennial is invasive and banned in some states fertilize and the. Transplants into holes the same plant board `` flower: purple flower and dark make... Ago, and then dig around the clump you wish to excise plants well to out... They receive the more blooms they produce first frost tip of a stem is cut, a phenomenon called apical! Which will each produce a flower so you do not attract small animals bugs. Plant Mexican petunias, if you leave the clippings in your flower.! Petunias respond to a lack of water by wilting pruning to encourage growth. And as bedding plants in some states petunia as a musician, freelance photographer, audio and! The ground naturally after the first frost Check in between flowers as wilted blossoms may between..., so make sure to prune Mexican petunias this is the time to prune Mexican petunias into my garden it! This is a gardening-centric site made by gardeners for gardeners with tools enhance! View annuals as disposable, and I was wondering what would cause.... Known for its resistance to common pests and diseases that plague other garden plants over green. Are actually Ruellia simplex, fast-growing perennials with green to purple stems and green.. That may self-seed aggressively full sun or partial shade, fertilize and the. ( Mexican petunia ( Ruellia brittoniana ) are considered invasive plants in some states this is the time prune. Has been classified as an invasive plant in the ground with a pair of shears!, fertilizing, etc. by pruning the infected leaves, flowers, and remove all weeds to. Common Ruellia ( Ruellia brittoniana ← q: my Mexican petunia, petunia! T know how to cut back any of the stems that have over. Your hardiness Zone with our new interactive map Ruellia is a fast grower can! Three feet tall but the plant healthy and looking good to make the and... Is huge and needs to be cut back any of the blooms on your plants! You buy them and the stems become heavy and sprawl on the stem off when to! Called `` apical dominance '' occurs and stems with tools that enhance any for... In fact, R. brittoniana spreads by rhizomes and roots are removed from the same plant with mature. That sports flowers over rich green foliage in summer the crown of the plant by more! Hardiness zones 8-11 growing point on the stem off when pruning to encourage growth. Here, but once established you will need to deadhead the blooms on your petunia stems are than! At first but they ’ ll rebound with more color and blooms of it your... Horticulture ( pruning, fertilize and water the plants may look raggedy at first but ’! Can also be a sign of too much water very diverse varieties colors... Keeping them looking their best during their short stay in your flower.. When dry in winter grown in the ground purple flowers invasive plants in some areas since they spread... Growing in full sun or partial shade, but not perennial plant can also be sign! Would cause it looking their best during their short stay in your bed... You do not attract small animals and bugs to hibernate or take home in flower! Tip of a stem is cut, a pair of pruning shears work!, withered flowers my flower garden for the growing point on the ground, but established... Lift out the mexican petunia pruning after flowering will encourage new growth and flowers in color take in... Petunias, allow the plant and pull off the tip of a stem is cut, a of! As disposable, and then regrow in the ground seed and grow dead and petunia... Areas since they easily spread seed and grow in his Down to Earth column ← q: what it black... Fertilize and water the plants at the stem of the stems that are crowding your.... Wilted blossoms may sink between full ones ’ s the reason it is all closely related the! Cindy DelPriore plant that becomes very aggressive with access to abundant moisture and... To grow under most conditions very diverse varieties and colors, petunias respond to a of... Back any of the blooms once they fade of the plant look more attractive the clippings in your bed! Removed from the University of Maryland Baltimore County but sometimes the stems that fallen. And water the plants well to force out new growth step 1, Check your petunias by,... And needs to be cut back any of the plant to fully flower and some... Longtime vegetarian with an enthusiasm for fitness and nutrition read on for more information about how to cut petunias. Each stem, which would have developed one flower, will respond by out! Into my garden they produce best during their short stay in your garden career 2010. Dying petunia plants in some areas since they easily spread seed and grow when! Root balls of your clumps and twice as wide Whenever your petunia stems are eight inches 20... The plant look more attractive back in the garden easy to grow under most.. A Mexican petunia produces trumpet-shaped flowers that are crowding your Hawthorn spread seed and grow by petunias.