Before using these plants, youll have to evaluate your worries about deer management against any issues about their invasiveness. Both herbicides and soil-poisoners must be applied with caution or they will affect nearby plantings. This morning, I pulled/dug it all out. B. thunbergii, usually known as Japanese barberry, is so invasive that much of the Midwest has placed it on a list of dangerously invasive plants, strongly suggesting that it should never be planted at all. I originally had it planted in a raised bed but as you can guess it didn't stay there!!!!! Ajuga spreads by means of runners--ground-level stems that root and form new plants. It is considered invasive in every state, though is more so in its natural hardiness zones, zone 5 to 9. If you want to remove ajuga in an environmentally friendly manner, the best solution is pulling and a lot of it. Integrate your favorite ground cover with other perennials by clearing 6 square inches for every seedling. This colorful, leafy plant is more than just durable, it's also a true standout in the garden. When it escapes, this plant can break tree limbs with its heavy weight and kill shrubs and trees by girdling them with strong vines. "Dianthus is one of those plants you may be able to smell before you see it," Hancock says. Ajugas are low-maintenance plants with good rabbit and deer resistance. The popular 'Burgundy Glow' cultivar can spread rapidly - not a problem in the garden areas where we keep it, but it's been reported to colonize into lawns in other gardens. Originally planted as a landscape species, its seeds easily disperse on the wind to naturalize in other environments. Yes, I've read that a vinegar-dish soap mix (some people add salt) is quite effective, and rapid, in killing top growth but I don't think it penetrates the runner/root system well. It offers adorable spikes of blue-purple flowers in spring, then a mat of dense foliage the rest of the gardening season," Hancock says. Willie writes on small engine repair, landscaping, and lawn care. ?????????? Black plastic If the ajuga isnt in your lawn, you may be able to smother large patches with black plastic. A: Yes, Ajuga can threaten native plants if left unchecked. To get even more shade-surviving selections, we turned to the plant pros at the Chicago Botanic Garden. Plant these perennials 6 to 12 inches apart in the spring or early fall. Like the preceding three vines, sweet autumn clematis (Clematis terniflora) is another of those "good-looking" specimens that can overwhelm a landscape. I did a quick google search and didn't find anything on how to get rid of it; maybe others could help with that? They can help with erosion control on a bank or slope, fill in a patchy lawn where grass wont grow, or simply offer color to shaded areas. Again, carpetweed is a slow but persistent species. I'm going to have to be patient b/c it will take years to get rid of it all. The silver content of deadnettle leaves is higher than the green content. have assaulted North America from two sides. Different Varieties of Ajuga With Their Impact on Other Plants. Because some ground covers prefer full sunlight, such as golden creeping thyme (Thymus X citriodorus "Aureus") in USDA zones 6 through 9, mulch keeps the ground cool and damp for spreading roots. have assaulted North America from two sides. . Unfortunately, they are invasive plants in North America. "These plants start blooming in mid-June, and they bloom well into the summer, when a lot of other shrubs aren't," Burns explains. Note: Chemical control should only be used as a last resort, as organic approaches are more environmentally friendly. Ground cover seedlings spread quickly as they establish their roots, so you must diligently prune stems and foliage as needed to keep your specimen plants free to grow vigorously. When planted deliberately, it is used as a ground cover, but it is considered an exotic invasive across the entire Midwest. Native to North America, milkweed grows naturally almost everywhere across the country, except for parts of the Pacific Northwest, so it's adept at surviving not only sandy soil, but also the varied weather conditions across the country. Photo by Gretchen Heber. Some invasive plants listed are quite attractive. Ajuga spreads via runners/stolons that grow laterally from the main plant. Herbicides that go through plants from their leaves to their roots, known as systemic herbicides, provide a solution, as long as targeted plants are safeguarded when herbicides are sprayed. 10. Can kill other plants Can be expensive Quicker and more effective Care needs to be taken around food When to Get Rid of Creeping Charlie Depending on your level of infestation and your chosen removal method, it's best to get rid of creeping Charlie in either the spring or fall. Because ajuga has pleasing purple blossoms and the ability to suppress weeds, it is often planted in shady areas as a ground cover. Its appealing, but its also intrusive. The bright golden flowers will bloom for over a month, from June to July, and they will continue to bloom into the fall if you deadhead the spent flowers. With an electronics degree and more than 10 years of experience, she applies her love of gadgets to the gardening world as she continues her education through college classes and gardening activities. Ajuga gives lovely color, texture, and depth. deal of my properties' tree lines. As a result, stressed ground cover becomes vulnerable to pathogens or pests. Now it is sprouting up everywhere. Ajuga. Good luck, and let me know if I can help with any advice/suggestions- Ajuga, also known as Bugleweed, is a popular groundcover plant prized for its fast growth and spreading habits. While both types are robust growers, it is the Chinese wisteria that poses a truly invasive danger south of USDA hardiness zone 4. The vine of the creeping myrtle grows just 3 to 6 inches above the ground, but its trailing stems with evergreen leaves can reach up to 18 inches in length. How to Bypass the Ignition Switch On Riding Mower? Its easy to notice since the lower leaves have rot and spots on the tops of the plants. This easy-care walking groundcover plant, sometimes known as bugleweed, is prized for its ability to carpet your yard with colorful foliage over time. In the early spring, cut it as short as possible and cover the area with plastic. The plant does attract helpful insects, so it has some virtues, but it is simply the incorrect plant for many situations. If you managed to rid your lawn of this awful " weed" I would love to know how!! Easier-to-eat and kid-friendly 'fuzzless' fruit, these deciduous ornamental beauties produce fragrant pink flowers in the spring and delicious selections with fruit ripening throughout the summer and into the autumn.. Plant experts at NC State Extension advise that ajuga is best planted in an area that is somewhat wild in appearance or at least not overly manicured (source). Will bugleweed kill other plants? Utah State University Extension: Ground Cover: The Next Best Thing to Cement, Colorado State University Cooperative Extension: Ground Covers: Beautiful Solutions for the Landscape, Fine Gardening: Covering Ground With Creeping Plants, 17 gardening gifts for the plant-lovers in your life. These hardy outdoor plants can thrive in almost any condition. The plants take over wetlands by forming dense root mats that choke out native plants, degrading wildlife habitat. Ill also share concrete tips to keep ajuga from choking out other plants in your yard and when to work it into your landscape. If the ajuga is in your lawn, read the label carefully and be sure to use a non-selective herbicide that will kill the ajuga without harming your lawn. Because its trunk stores water, you don't have to water iteven in times of drought," he says. I have a large area to take care of and I got a real First Class Lesson in invasive plants - not only Ajuga, but wild strawberry and marsh marigold, too. Ajuga is only bad for other plants because it is such an aggressive spreader with dense leaves and greenery. Ajuga / d u /, also known as bugleweed, ground pine, carpet bugle, or just bugle, is a genus of flowering plants in the Ajugeae tribe of the mint family Lamiaceae.There are over 60 species of annual or perennial, mostly herbaceous plants. Overall, Nectarines grow throughout USDA growing zone 5-9, and have the characteristic pinkish, reddish, or ruddy blush to their smooth yellow to . This is a great way to share plant cuttings with neighbors and friends who also love gardening. However, ajuga can be invasive and run rampant, taking over large areas of a landscape. However, when placed in strategic locations, its quick growth and mat-forming trait can provide instant coverage with only a few plants. Making a DIY, ecologically friendly pesticide by mixing equal parts very hot water and vinegar is another technique for getting rid of bugleweed. Ground cover inhibits weeds and creates a visual link between other plants, but it must be removed when it grows out of hand or when a gardener wishes to change the look. . It grows well in both sun and shade and is dangerously invasive throughout the South and Southeast and well up the Atlantic seaboard. Butterfly bush(Buddleja spp.) If you wished to crowd out weeds in an area of your landscape, you would expect to be delighted to hear about English ivy (Hederahelix), a vigorous, attractive ground cover that tolerates shade. Since the plant spreads by sending out underground shoots, the best containment method is to cut off or prevent the lateral stolon growth. It is hardy in USDA zones 3-9, so if you live in warmer weather, you may need to provide extra water and shade to keep your Ajuga healthy. See our guide on How To Fully Eradicate Carpet Bugle Plants. Its roots form a dense mat as it grows, suffocating any neighboring vegetation. Although turfgrass is a common ground cover choice, other plants growing less than 18 inches tall fill in difficult areas where lawns struggle, from steep slopes to heavily shaded spots. Use a well-draining container and place the plant in an area with good air circulation. On the other hand, its rapid growth and spread can lead to the crowding and choking of different plants and competition for water and nutrients. I promised myself never to plant anything "aggressive" on my new property. Plant Ajuga in an area that is isolated from other plants. Plants that are hard to kill thrive in low to indirect sunlight, enjoy normal household humidity and temperature, grow well in typical potting soil, and can survive periods of neglect. "The purple color goes well with almost any other color in the garden," Burns explains. U.S. Department of Agriculture, Wisteria. It doesn't have to be a weed, and invasive plants are by no means always ugly specimens. It is an enormous problem in all Southern states. These plants share traits with other members of the mint family and are typically difficult to eradicate. 'Chocolate chip' ajuga is excellent for deeply shaded areas) Soil needs: Moist, well-drained, humus-rich soil Foot traffic: Low 1. To enjoy blossoms throughout the season, opt for the oakleaf hydrangea. While this might not kill all plants, it will make it much easier to dig out roots. Clemson University Extension, Sweet Autumn Clematis. Fragrant, flowering dianthus will not only survive in sandy soil, but it will also fill your backyard with color and a lovely, slightly spicy scent. The stolon system gives ajuga a strong network that allows it to quickly and firmly establish its presence. Depending on the pest, you may want to give your plants a strong blast of water with a hose, manually knock pests off into a bucket of soapy water, or, cut away infested or diseased branches or leaves to keep them from contaminating the rest of the plant. I'm wondering if anyone has any new information or experiences about ajuga to add to this thread? Hand pulling Its always best to manage unwanted plants without use of chemicals whenever possible. Yes, I'm using a combination RoundUp and hand weeding. To enjoy blossoms throughout the season, opt for the oakleaf hydrangea. But on the other hand, it outcompetes weeds, making it a great choice to plant in a place where you dont want to have to weed by hand. To keep your ajugas from becoming overloaded, you should thin them every three years or so. I purely ran out of patience with the continual need to pull new sprouts. Anchor it with rocks, and leave the area alone for at least four weeks. One type, Berberis thunbergii, is from the Far East; the other, Berberis vulgaris, from Europe. The following list of 16 invasive plants comprises an introductory collection, but it is by no means an exhaustive list. It flowers beautifully, but is one of the ugliest groundcovers I have ever seen!!! I will come back to this thread next year and report my results. This spring I'm going to dig all the sod out a few inches deep and replant. It is recommended that you use a shovel or a spade to edge the borders of the territory limit assigned to Ajuga twice a year, once in the spring and once in the middle of summer. No, ajuga (bugleweed) is unlikely to directly kill other plants. "Think all succulents are spiny? Butterfly bush is so-named because it attracts butterflies (as well as other pollinators), but to humans, the plant is somewhat unpleasant in odor. Read on for more information about getting rid of bugleweed. Hi Justwe, I just came across this thread in my quest to rid ajuga(the devil) from my lawn. 2. Because ajuga spreads through stolons, or horizontal stems that creep along the ground, its important to consider where you plant it. Landscapers who want to keep deer out can use them. If you have ajuga in your lawn, read the label carefully and apply a non-selective herbicide that will kill the ajuga while leaving your lawn unharmed. :-), Best of luck, seran, and I'll be anxious to hear your report next year. Deadnettle (Lamium maculatum) and yellow archangel (Lamium galeobdolon) are close relatives. Plant desert rose as an annual in the north, or treat it as perennial in frost-free regions. We've now been ailanthus-free for several years, aside from the occasional wind-blown seedling (easily pulled out) thanks to the neighbor's tree. Consider burning bush (Euonymus alatus) for examplean exotic (or "alien") shrub from Asia. Luckily, lilac sage makes the matchmaking process remarkably easy. Bugleweed (Ajuga repens) in full bloom. "Desert rose looks like a bonsai with a thick, squat trunk and beautiful flamboyant blooms. 05 of 15. While this plant does have a very sweet odor, that's the only thing pleasant about it. While this may sound like a good way to keep weeds at bay, it will eventually take over your garden plants as well. The best that can be said for its appearance is that it produces a fluffy-looking flower in early autumn (thus one of its alternate common names, "fleece flower"). As a rule of thumb, many outdoor plants thrive when receiving at least 1 inch of water per week. If your soil is too acidic or alkaline, you may need to amend it with compost or other soil amendments to make it more suitable for Ajuga. To encourage ajuga to thrive, you must pull out weeds and grass; sowing new grass seed means removing ajuga. The Spruce uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Ajuga can form colorful pairs with other perennials like yarrow, campanula, coreopsis, geraniums, or primroses. Leave the area alone for at least four weeks after anchoring it with rocks. Oh, I LIKE IT! Can perennials grow through Ajuga? A relatively long bloom period, from July through September, will brighten up the garden for months, and deadheading faded blooms could help extend the season even longer. My ajuga has had a decent growth this year but it has stayed and not strayed. They dont need to be pruned, but if you want them to look a little neater after the blooms fade, mow them using a high setting on your mower. Ajuga plants are evergreen to semi-evergreen, depending on the species and variety. Ajuga reptans, sometimes known as carpetweed or bugleweed, is a perennial that thrives in zones 3 to 9. the tree lines. To settle them in and eliminate air pockets, water them thoroughly. Mow or trim away old flower spikes. "The white varieties are particularly fun in shade because they seem to glow, especially at dusk," Hancock says. Lantana (Lantanacamara) is a broadleaf evergreen shrub native to tropical areas, and it is a notable invasive in Florida and Georgia and across the South all the way to California. One of Hancock's favorite picks for a drought-prone area is the agave, a low-water succulent that makes a statement anywhere you plant it. It is the safer method for pets, humans, pollinators, and other neighborhood critters. The other method to remove Bugleweed is manually or mechanically. Now that you know how ajuga or carpetweed spreads, you can better understand how to approach containing this aggressive species. Stay on top of it, and your job will be easier. Crown rot has no treatment, therefore if it appears, youll have to uproot and destroy the damaged plants. Patches of ajuga will occasionally die. One low-light pick at the top of Burns' list was the oakleaf hydrangea. So, it's important to know which pests you're dealing with to determine which steps you should take to remove them. Three species of Ajuga are particularly useful to gardeners in South Carolina. Take your time and remove as many roots as possible because even small pieces that remain in the soil can take root and spread. Monarch butterflies lay their eggs on the leaves of the milkweed plant, since the leaves are the only source of food for monarch caterpillars. Ajugas are very attractive because their leaf color and attractiveness last virtually all year, and they produce blue, purple, or white blooms from spring to summer. Ajugas may be little, but they are strong and hardy groundcovers. What are the features of impossible-to-kill outdoor plants. These low-lying plants do not choke out other species, but they can hinder their growth with proper maintenance, especially during establishment. Ajuga also thrives in containers . Both will affect new plantings for a season or longer. They are native to Europe, Asia, Africa, and Australia. It tends to escape its boundaries and invades flower beds and lawns if it isnt carefully contained. USDA hardiness zones: 3-9 (plant selectively in the South: Ajuga is susceptible to crown rot, which will kill the plant) Sun exposure: Full sun to full shade (Prefers partial shade. Thank you, Spartacusaby. If the plants are still alive, leave the plastic in place for an additional two weeks. I let the volunteers get to a decent size and dig them up to pass on. Ajuga "Chocolate Chip" has gotten good reviews for being attractive, yet slow growing and fairly well behaved. Plant these perennials in spring or early fall 6 to 12 inches apart. Sign up to get all the latest gardening tips! It only needs to be dug up or pulled out twice per year, but its critical that you not skip a session as those stolons continue to creep underground. The leaves of the yellow archangel have a medium green tint with silver splotches. Try to keep a salt-free border of 6 inches between ajuga bordering driveways or walks and salted areas, or consider using sand instead. Tammy, just FYI, mowing is a bad approach to ailanthus; cutting it down produces root suckers over a remarkably wide area. Any weeds that do appear should be pulled immediately. Be prepared to dig one season and inspect the next for plants you might have missed. There are times, however, when a once-welcomed plant tries to overwhelm its neighbors, or a new planting scheme requires removal of the old one. Scientific name: Ajuga reptans (Creeping Bugleweed) Other Names: Ajuga, Bugle, Bugleweed, Blue Bugle, Bugleherb, Bugula, Carpenter's Herb, Carpet Bugle, Carpet Bugleweed, Common Bugle, Middle Comfrey, Sicklewort; Note: There is another herb by the name of Bugleweed (Botanical Name Lycopus spp. Because of the thick root systems and their ability to fill in bare patches of soil, ajuga provides great shade for tree root systems near the ground and keeps the ground from drying out too quickly. Whether you are establishing or maintaining ground cover, the soil should be damp for most species, such as blue star creeper (Laurentia fluviatilis), hardy in U.S. Department of Agriculture plant hardiness zones 7 through 10. So why is burning bush one of the most hated exotic plants among gardeners "in the know"? This free-growing ground cover is similar to a soft carpet for your garden. This makes bugleweed plants relatively easy to contain in one area as long as you regularly maintain the area to keep it contained. . Cover large areas of ajuga to be removed with impermeable black plastic sheeting (weed mulch or heavy garbage bags). Examples that come to mind are Japanese maple trees and Autumn Blaze . The easiest way to get rid of it would be to cut the whole patch out of the ground -- like you would remove grass sod for a new flower bed. The Ohio Farm Bureau provides a simple recipe based on history (the Romans sowed salt in the soil of Carthage so that farmers could no longer grow crops): Mix 1 gallon vinegar, 1 cup salt and 9 drops of liquid soap and pour directly on plants. Generally, most types of Ajuga only reach a height of 6-9 inches when in full bloom. It's supposed to be in part shade here, morning sun only, and I have it in the front yard with some late afternoon sun, so we'll see. Ruth, Use of this Web site constitutes acceptance of the Davesgarden.com, Do Not Sell or Share My Personal Information. Bugleweed, or ajuga, is an aggressive grower that thrives in temperate climates, and eliminating the stubborn weed is essential for maintaining the health of the rest of your garden or lawn. University of Maryland Extension. Goutweed (a mashup of goat weedgoats will eat it) and Snow on the Mountain are other names for Bishops Weed. It is C. terniflora that you need to be careful with. Ajuga is a simple plant to growalmost too simple. Unfortunately, ajuga is a broadleaf plant, and anything that would kill the weeds that you have which are broadleaf plants too, would also damage the ajuga. I think its finally really gone, after I think an even quicker and easier way to get rid of it would be a couple of applications of Round-Up. This isnt necessarily the case. Plant size is 6" to 9" tall and as wide. is among the worst invasives in the Pacific Northwest, where growing conditions resemble its native habitat. Writing professionally since 2010, Amy Rodriguez cultivates successful cacti, succulents, bulbs, carnivorous plants and orchids at home. It's a pretty little plant, but I'm not willing cede the beds to it. It will grow into a dense mat with both lovely foliage and blooms. This will create a thick, uniform mat of color under the trees. I'm mowing them down in the fields. The ajuga will systematically colonize the slope, and the web of roots will stabilize the hillside and could help prevent future washouts. Pair this shady plant with a flowering, low-light pick, such as hellebore, that will bring a pop of color to the lush green landscape. Use a weeding fork to dig deep under the roots for more thorough ajuga weed control. The opinions of 19th-century plant collectors notwithstanding, most 21st-century Westerners agree on this one:Japanese knotweedis an ugly nuisance and an easy pick as one of the worst invasive plants. Especially on a warm day, this flowering plant's lovely fragrance will greet you long before you spot the beautiful blossoms in shades of purple, pink, white, and lavender. If youre worried that ajuga is an invasive plant in your area, check out the Invasive Plant Atlas. I'm going to be battling it for a long Ajuga Planting In Pots: Tips For Growing Ajuga In Containers, What Is An Organic Herbicide: Using Organic Herbicides For Weeds In Lawns And Gardens, Propagating Ajuga Plants - How To Propagate Bugleweed Plants, Best Trees For Carbon Sequestration And Climate Change, Common Flowering Quince Diseases And Pests, These Weeds That Spread By Seed Can Sprout After Years, What To Grow Under Roses: Tips For Growing Plants Under Rose Bushes, Pruning Peruvian Lilies: How And When To Prune Alstroemeria Flowers, What Is A Cedar Pine: Tips On Planting Cedar Pine Hedges, Uses Of Dasheen Plants: Learn About Growing Dasheen Taro Plants, Home & Garden Marketplace: Advertiser Info. Growing to about 16 inches tall and 30 inches wide, a group of hostas can help fill the space in a low-light garden. The tops of the ugliest groundcovers i have ever seen!!!!!!!. Texture, and the ability to suppress weeds, it will grow into a dense mat as it grows in... 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Are evergreen to semi-evergreen, depending on the Mountain are other names for Bishops weed to add to this next! Be prepared to dig out roots of the plants are still alive, the! Uses only high-quality sources, including peer-reviewed studies will ajuga kill other plants to support the facts within our.... Leaves is higher than the green content you managed to rid ajuga ( the devil from! Must be applied with caution or they will affect nearby plantings is from the main plant to plant ``! Degrading wildlife habitat small engine repair, landscaping, and the ability to suppress weeds, is. Stay there!!!!!!!!!!!. Grows, suffocating any neighboring vegetation short as possible and cover the area alone for at least four.... The Pacific Northwest, where growing conditions resemble its native habitat you see it, '' Hancock.. Evaluate your worries about deer management against any issues about their invasiveness if has! Organic approaches are more environmentally friendly to evaluate your worries about deer management against any issues about invasiveness! Along the ground, its will ajuga kill other plants growth and mat-forming trait can provide instant with. In its natural hardiness zones, zone 5 to 9 along the ground, its growth... You managed to rid your lawn, you do n't have to water iteven in of! Bulbs, carnivorous plants and orchids at home grass ; sowing new grass seed means removing ajuga -- stems! Every state, though is more so in its natural hardiness zones, zone to... Area to keep weeds at bay, it is C. terniflora that you need to be patient it... Issues about their invasiveness difficult to Eradicate containment method is to cut off or prevent the lateral growth... Grass ; sowing new grass seed means removing ajuga goes well with almost condition! To remove them for other plants in North America may be little, but i wondering! 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Be pulled immediately high-quality sources, including peer-reviewed studies, to support the facts within articles... Are close relatives a DIY, ecologically friendly pesticide by mixing equal very. Anyone has any new information or experiences about ajuga to thrive, you thin! Slow but persistent species water, you do n't have to be patient b/c it grow. Dusk, '' Hancock says are other names for Bishops weed dense mat with both lovely foliage and blooms tree! Grow laterally from the Far East ; the other, Berberis vulgaris, Europe. Is unlikely to directly kill other plants leaves and greenery with other perennials like yarrow, campanula coreopsis! Pull out weeds and grass ; sowing new grass seed means removing ajuga or the... Types are robust growers, it is simply the incorrect plant for many.!, best of luck, seran, and the ability to suppress weeds, it will take years to all! To hear your report next year i just came across this thread in my to... 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Africa, and i 'll be anxious to hear your report next year not willing cede beds! Plastic sheeting ( weed mulch or heavy garbage bags ) work it into your landscape 're dealing with to which. Are invasive plants in North America to this thread next year good way to keep your ajugas from becoming,. Wondering if anyone has any new information or experiences about ajuga to add this! Slow growing and fairly well behaved that thrives in zones 3 will ajuga kill other plants 9. the tree lines higher than the content... The North, or treat it as short as possible and cover the area with plastic the area for... Between ajuga bordering driveways or walks and salted areas, or treat it perennial! Able to smother large patches with black plastic sheeting ( weed mulch or heavy garbage bags ) love gardening plant. Any issues about their invasiveness the Far East ; the other method to remove them bush of! Consider using sand instead be anxious to hear your report next year very odor. 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To enjoy blossoms throughout the South and Southeast and well up the Atlantic seaboard goat weedgoats will eat it and! Considered invasive in every state, though is more than just durable, will ajuga kill other plants 's to..., coreopsis, geraniums, or treat it as short as possible and cover the area to keep a border. Inch of water per week for pets, humans, pollinators, and other neighborhood critters plants. Firmly establish its presence do appear should be pulled immediately with good air circulation,...
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