It all sounds lovely! Is it a blight? We moved in Feb., thought it wasn’t getting enough sun. Winter hardy to USDA Zone 8 (marginally hardy in Zone 7 with protection and mulch) where it is best grown in medium to wet soils in full sun to part shade. They started growing and flowering and then she said to get rid of them. They can take a few years before they start really spreading. It has been widely used as an ornamental plant and has escaped from cultivation in the United States, Australia and parts of Asia, as well as several Pacific Islands. It is not infecting other plants. It’s especially loved for its papery, trumpet-shaped flowers that mimic every shade of the purple rainbow, as well as white and pink. Both overwatering and underwatering can cause yellow leaves. Some members of the genus are poisonous, whilst others are used as herbal remedies for urinary problems and as an anthelmintic to destroy parasitic worms. And I feel like the sun was probably okay, since they’re not particular about that, but it shouldn’t hurt them to be in a sunnier spot, either. Did you plant the ruellia or the dwarf type? . I have had a heck of a time getting them out of my front garden. I now have a massive border of my own that blooms continually spring through late fall in the South Central Texas sunshine. It can be quite a challenge! Should we braid them? I cut them back and within a month they have grew back over the fence in the front yard. Edit: Then I noticed Rob’s mentioning that, as well. How should I prune them? Get more details about dividing perennials here. Hello Gwynne – I am pulling it all out. To Gretchen, nothing is more rewarding than a quick dash to the garden to pluck herbs to season the evening meal. Thanks. We’ve had a hot summer. I think this Mexican petunia has an “erineum,” which is a fancy term for “odd growth pattern.” The cause is the eriophyid mite (Acalitus ruelliae). She is 84 and wants to sell them. How to Get Rid of Ruellia. Could be yours are needing more? Expect it to take some time to bounce back. Established plants have respectable drought tolerance. Spread the roots out in the holes. What is going on? The flowers are pretty but the plants themselves are spindly. I have had this plant for many years and it is beautiful. Do you know which cultivar you planted, Kimberly? A plant that is moved during the growing season experiences more shock than one that is moved as it’s going into winter dormancy. So, what is ruellia and can this Mexican native be cultivated in our own home garden landscape? It’s so beautiful. Or do you have the regular, 1- to 2-foot tall ruellia that are looking less than fab? Thank you for sharing your thoughts with us. Very disappointed!! Did your plants just not shoot up at all? It has a tendency to crowd out native Florida species, and so local horticulturists strongly warn against its use. It does not mind full morning sun but benefits from afternoon shade, particularly during the hot summer months. But not this year. Hi! In Austin, I do nothing to mine for winter. A former garden editor for a daily newspaper in Austin, Texas, Gretchen Heber goes through entirely too many pruners and garden gloves in a year’s time. Barbi, please encourage your homeowners to plant something native instead, it will help our local birds, bees and insects. Fertilizer formulas such as this one that contain more nitrogen (N) than phosphorus and potassium (P and K) can lead to lush, leafy growth with few flowers. My husband did cut it back to the ground each winter and every spring it would come back bigger and better, blooming those lovely purple blooms. My 4-year-old (at the time we planted) granddaughter got a small cutting from her Sunday School teacher. They do great in my area and the hummingbirds love them. This variety is less aggressive than its taller cousins, though mine definitely spreads. But fret not – the plant produces a succession of profuse two-inch flowers daily from spring through fall. You can simply pull stray plants. Often confused with Ruellia tweediana, but its leaves are a bit shorter and wider. Cut them back/down? I am new to this site, however you seem to be very helpful. If it isn’t crowded, you may want to do a soil test to determine if you’re low in any of the macronutrients (nitrogen, phosphorus, potassium). The stone pillar in the background is over 6 feet!! This non-indigenous species has escaped cultivation and is highly invasive in the Virgin Islands, Puerto Rico and 9 states including Florida. I’ve seen purple, pink and white, but no other colors. Love the Mexican petunia. Or they’re just not spreading? That sounds like a great place for these plants, LaJuana! Hi Voodoo! They have brightened up may lower… Read more ». The first cold front hit Dallas (mid-October ) – so mine just finished blooming for the year. A notable and popular cultivar differs from the straight species in its height. Hummingbirds love it. They are pretty but we don’t want the whole garden covered by them. Alba (sometimes sold as White Flower Form) produces hundreds of pure white blooms from June through September. Please help they have taken over the front and side yard. Ours bloomed it’s first year, just beautifully. I poke them in the… Read more ». Yes they spread but I love how they show up in the craziest places. No flowers, but the leaves are fine. × New and Unread Tree-Mails. We are fortunate to have a beautiful array of them in a small patch of dirt outside our apartment in Dallas that is maintained by a lawn crew. Judy Ann, how interesting that you’ve been growing it as a houseplant! I live in Frisco, Texas. They have dine great and it is so nice to have a plant that is not in everyone else’s garden! 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. This has made this part of it brown. Thanks so much for sharing your positive experience with Mexican petunias! Thank you! With deep pruning in early spring, plants will be more erect and creep less. It’s so cool it’s worth mentioning many times! This plant thrives in moist, fertile, humusy but well-drained soils. Sadly, each lovely flower lasts just a day. So to get them under control you’ll need a three-part approach: Pull up as many as you can. My husband brought me several purple Mexican petunia plants from a neighbour and another neighbour who unfortunately moved away gave me some pinks (which I adore). Plant one to two seeds for each expected plant, spaced 12 inches apart. So far, it seems like an excellent selection for plant borders or areas where a durable source of color is needed. As with most plants, you’ll want to treat them to regular, deep waterings immediately after transplanting, which you’ll do in springtime, and then you can back off the watering if you like. If you want to grow them in containers, that’s an option as well. Close × Share This Page. Ruellia simplex | provided name: Ruellia tweediana Catalogue number:MEL 2340181A State: Queensland Locality: Cairns (R) Collector: Jago, R.L. How can I get them to stand up again? How much sun do they get? We have planted them in a flower bed and they are getting tall. We occasionally link to goods offered by vendors to help the reader find relevant products. How do… Read more ». Does it need fertilizer? The ground cover is around my tree in a shaded area of course. Although Ruellia simplex has lovely blooms, due to its invasive tendencies it is not a good plant for Florida gardens. , 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. ALL RIGHTS RESERVED. Are your white flowers still purple or pink in the center? It thrives as a marginal water plant and in boggy soils. You can baby the plant with rich compost or you can stick in the native soil that’s already there, and it will still do fine. Can get aggressive in the comments section below s very sandy soil and i absolutely my... Native be cultivated in our front garden as an ornamental before 1933 s seeds moved indoors frosts... Doing the right thing: getting rid of indoors before frosts this non-indigenous species has escaped cultivation and highly... – Thank you for including photos of your neighbor to share ; maybe you can start! 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