The “good news” is my tree doesn’t seem to be the only one having this problem, my neighbors’ trees and the trees in common areas of Summerlin Willows village seem to have it too. Call Davey Tree [(702) 251-5514] to make an appointment to have one of their certified arborists come out to render an opinion. Dense, rounded to spreading habit with slightly weeping appearance. However, depending on what water your trees may get from other “sources” (e.g. Description. One of my neighbors also have African Sumacs. Petunias are also quite susceptible to juglone ( the poisonous compound in allelopathic plants.) Thoughts? This may be safer to use and more environmentally friendly than spraying the entire tree with a pesticide. It is well pruned. The leaves are shiny and dark green. How many drip lines should I hav?e. We hired landscapers to plant them. Early on, leaves will turn a yellow-green color, and become more yellow as the illness progresses. Control Powdery Mildew Disease without Chemicals, Keep Mulch Away from Trunks of Small Trees. lawn irrigation or actual rainfall), you should be able to hand-water less frequently as trees mature and maybe stop altogether. Don’t cluster them near the trunk but spread them out in a circle a couple of feet away, where the roots are. Yes, its po... More Advice on How to Manage Plants During the Heat, Palm Fronds Browning on Multi-Trunked Tree, African Sumac Yellow Leaves and Leaf Drop, Readers African sumac yellowing and dropping leaves. If it pushes into the soil with We put them in confined environments and water often and even overfertilize them and this generates lots of top growth.”, “When new leaves first emerge, they look distorted and seem stuck to each other … this is normal.”, “This slow growing tree reaches heights of 15 to 30 feet with an equal or greater spread. My first thought was I was over-watering (135 minutes total spread over 3 days per week); but I’m quite sure I was watering more last year (210 minutes total spread over 7 days/week). A: Chitalpa, like some African sumac, is notorious for leaf drop in the middle of summer. He replied, “You can’t over-water these trees; they just drop leaves when it gets hot and they’re stressed.”. Three days each week in the summer sounds OK although I’d consolidate into single 60 minute watering cycle instead of the two 30-minute ones. Good luck! And so this past Monday I did. It is totally baffling me on how much to water it. The canopy of this evergreen is very dense when young, thinning somewhat when more mature. It would be like this but there would be no grass. As I mentioned in earlier posts, I’m pretty new at this too. All Rights Reserved. It came to Arizona from South Africa in the 1920s and was planted heavily during the 1970s. Remember down in Africa these trees hardly get a drop of water and they are considered weeds down there. First, I checked their sumacs to see if there were any with similarly withered new growth; yes, there were! Jess. I live in the Sacramento area and have 2 sumac trees. Change ), You are commenting using your Google account. Pines In Las Vegas With NO Irrigation! Doesn’t sound like a watering problem or the whole tree would pretty much have same “issue.”. I read that some don’t water their Sumac at all, so am a bit confused. But I With us both being in Las Vegas, I wouldn’t mind hearing the end of your tale once you know it…. So now that I’m already a page and a half into this post, it’s passed time to present the salient attributes of Rhus lancea. It falls into the category of trees you really don't notice unless its flowering and … nurseryman? Remember down in Africa these trees hardly get a drop of water and they are considered weeds down there. See if the soil around the tree is wet or dry. But what if I’d only made the trip to the nursery and didn’t send my e-mail? the soil wet tremendously. sprinkler on the end of a hose. Thanks for your interest! The canopy of this evergreen is very dense when young, thinning somewhat when more mature…This tree is typically multi-trunked and produces a high number of branches that grow in every direction. one of the trees has yellow leaves but also has new growth. The palmately compound leaves form in groups of 3 with leaflets that are 2 to 3 inches long. at least 18 inches long. Always looks like it is starving for water!! It is also starting to get clumps of dead branches on the top. Both have compound leaves, but Ailanthus turns yellow and tan in the fall; staghorn sumac turns red, ranging into purples and oranges. Not all trees are equally vulnerable to lightning strikes, however, and some can be saved. Stress of newly planted, or over watering? ( Log Out /  Add to Likebox #132202727 - Treetop of the Rhus typhina, also known as staghorn sumac, or.. MY AFRICAN SUMAC HAS BEEN PLANTED ONE WEEK AGO AND IS VERY YOUNG.BY COMPARISON WITH THE OTHERS IT HAS A LOT OF YELLOW LEAVES. Many of the leaves down in the canopy of the tree can’t get light and as a result they drop. I have TONS of dead Sumac leaves in my yard now and am just starting to see a tiny bit of new growth (kind of deformed little leaves appearing). Healthy tree should result in a happy gardener, but numerous gardeners find themselves picking up after the tree. The tree drops its leaves when it is water stressed, has a fungal disease like root rot or from being over fertilized. running off of the area, turn the sprinkler or hose on multiple times 30 Mine has very few leaves but it was last watered in June of last year and it’s okay. You don’t mention what city you live in; I’m in Las Vegas, Nevada so my comments may not apply exactly to your situation. Case in point: since about mid-June, our African Sumac has been dropping a lot of leaves. We have two smooth sumac trees in our back yard, planted three seasons ago. Have you lived at same location (with tree you mention) for a few years? After reading your question, I am sure that you are overwatering it too much and this causes an increase amount of top growth. Change ), You are commenting using your Twitter account. The “good news” is my tree doesn’t seem to be the only one having this problem, my neighbors’ trees and the trees in common areas of Summerlin Willows village seem to have it too. The reason(s) could vary, depending on several factors. He answered promptly and agreed I was watering too much: “Yes it is normal for African Sumacs to drop there leaves. The leaves are shiny and dark green. R. Ll. December 1, 2014. Jess, See this article: https://www.gardeningknowhow.com/plant-problems/disease/verticillium-wilt-treatment.htm. I live in Las Vegas and have read that the African Sumac can get a fungi. I first saw them an an nursery and fell in LOVE with them they are so GEORGEOUS but Thank You for your reply. I do want to give the young nurseryman a little credit though; sumacs do drop leaves during the hot months however they CAN be over-watered. I surmised that this must indeed be normal (and in fact I later found the following on the web, “When new leaves first emerge, they look distorted and seem stuck to each other … this is normal.”) but figured I’d double-check at the information counter. The ground around the Sumac is compacted soil, not loose. Leaves continue to fall now although I think not as many as a couple of weeks ago. African sumac has taken a quicker path to obsolescence in the Tucson area. Push it into the soil in How can you tell if an African Sumac is male or female? According to several authorities from New Mexico and Arizona, this is common with this tree. Hang in there, I’ve nearly reached the end of my rant. Sumac also bears a resemblance to the Ailanthus, or Tree of Heaven, which is definitely an invasive non-native plant. When these trees are planted by landscapers they frequently do not use enough drip emitters. We put them in confined environments and water often and even overfertilize them and this generates lots of top growth.” Sorry to be long-winded, but I’m trying to make an important point. A. I could not find African sumac listed in any of the allelopathic lists, although sumac as a genus is listed. Hi just wanted to say I stopped watering my Sumac’s I haven’t water with the drippers since July 30th and they are doing “GREAT” and I am so please that I found this site my sumac’s they do get water but only from the lawn sprinklers early in the mornings. The leaves are notched and grow in slightly taggered pairs until the end, where one leaf will be perpendicular to the rest. Should I fertilize it? Any thought on the yellowing? Checking credentials never hurts. Step 4 Water an African sumac 10 to 15 times per year, thoroughly soaking the ground around the tree. Covering the area of the out. As far as the dead branches on the top, could it be you just noticed them because of the leaf-drop situation? The first season, growth was vigorous and both plants appeared healthy. minutes or an hour apart. If this is the case, I have a 25 or 30 foot multi-trunk African Sumac. The … Third, planting method…can you give me a general idea of how tree was planted (size of hole relative to container, soil amendments added, etc). Thorny flowers, Chinese holly, cacti, pyracantha, and hard yucca are some unforgiving attractions. My first thought was I was over-watering (135 minutes total spread over 3 days per week); but I’m quite sure I was watering more last year (210 minutes total spread over 7 days/week). The fruit contains small black seeds with a paper like coating.” Why reinvent the wheel when UofA did such a fine job describing the African Sumac? How much should I water it? Cutleaf Staghorn Sumac By Robert Newgarden | December 1, 1997 Drought tolerant, pest resistant, and wildlife friendly, cutleaf staghorn sumac (Rhustyphina 'Laciniata') deserves to be more popular.This native plant can grow as either a large shrub or small tree, and it has long, fernlike leaves that turn a variety of gorgeous colors in autumn. Finer needle that drop are known to sneak by the skimmer baskets and clog up your pool pump impellor. Double-check but I don’t believe they charge for him to come out for assessment & estimate. Learn about repairing lightning damaged trees in this article. Remember that African sumac is a very messy tree with lots of leaf drop. ( Log Out /  several locations under the canopy of the tree. After reading your question, I am sure that you are overwatering it too much and this causes an increase amount of top growth. under the tree then of course you have to wait longer between waterings. Since then I have pruned quite a bit. Sumac clusters are called drupes. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Powered by. The poison moves up the tree to the leaves and poisons the aphids. You have the probe so you can measure how Thanks for your thoughts. So, my question for you is this: is it normal for African Sumacs to drop so many leaves (and I mean a lot) this time of year?”, “Yes it is normal for African Sumacs to drop there leaves. and they seems too love that just enough so if they Love it I Love it as well. There is new growth on the tips, though. The small flowers are whitish-green and give way to yellow or red berrylike fruit that grows in clusters. If watered (deep, wide soakings) only 10 to 15 times per year, the tree remains open and airy, and much more attractive. African Sumac Rhus lancea. The poisonous compounds of black walnut (the most famous allelopathic tree) are supposed to be rendered inert after a month of hot composting, but … soil is dry in 7 to 14 days. Ten to twenty percent or more leaf drop is possible, but unless a tree is heavily defoliated for several years in a row, this normal adjustment to heat and dry weather doesn’t affect the health of the tree. Case in point: since about mid-June, our African Sumac has been dropping a lot of leaves. They deal with heat and drought by dropping leaves. Suckers and Water Sprouts. We have 3 african sumac in our back yard…and they are all dropping leaves like crazy…but i do see new growth…so i don’t worry…ours were planted 9 years ago…they have been thru hell and still survive..when they were young ..they were knocked over by wind and snow…i picked them up restaked them and they continued to thrive…the snoww storm a couple of years ago cracked so many large branches…that i could not see my back wall from the debris..the multi trunked tree was avery large bush for a very long time…grew out but not up..about three years ago it started growing up…the tree at the back of the yard was plnted about 34 to four feet from the back wall…so it grows over into neighbors yard…he has my permission to whack off as much as he wants….I foult the landscapers who were around back then…trying to make as much money as possible in the boom for not advising me better about # of trees and placement…my yard is not that big…i have no lawn due to my moms dog….and the branches are above ground and aproaching the walls…i don’t know if i can plant grass over these exposed branches i also have 2 olive tress planted just feet from the walls…someone told me they would topple the cement walls….just what i need my neighbors suing me…one guy has a pool on the other side of the wall..anyway that is me sad story…sumacs are very sturdy…i don’t water mine at all…and they do quite well…i have seen them in the wild in africa and i know there is no gardner out there pruning or watering…toni thompson. I ask only because African Sumacs detest freezing temps and if you live in southern Nevada we had some REALLY cold temperatures earlier this year and perhaps your tree suffered a bit from that. Just can’t get a good balance when it comes to watering. Copyright 2011. In addition, African sumacs tend to lose leaves throughout the year without any reason. Second, water…you say you are watering the tree daily, can you estimate how much water tree is getting…are you using a drip system or a hose? I haven’t yet checked the soil under the tree to see if it’s wet on non-watering days, mostly because of the other sumacs in my neighborhood are doing the same thing. I need to ask a few questions to help my research: There are fissures in the dark gray trunk which reveal an orange mahogany color beneath. I sent him an e-mail: “…I would guess tree is about 7 years old. Rhus lancea is from South Africa and features evergreen leaves so that they can provide great greenery all year long. For what it’s worth, I’m watering only twice per week (1 hour each watering). 8 sounds good. Any suggestions? This screwdriver might work if it is long enough. Been keeping up with that. • Is this the first time you have noticed this problem? Rhus lancea - African Sumac The African Sumac is a small evergreen tree, 15-25' feet tall, with a dense broad spreading to rounded to dome-shaped with slightly weeping branch ends. so as I said no more dropping leaves as you said they don’t like too much water. BTW, no I cannot give you any golf tips; I’m far worse at golf than I am at gardening. Or when they plant them small, they use just a few emitters … Best of luck!! The small flowers are whitish-green and give way to yellow or red berrylike fruit that grows in clusters. Take a steel probe that is Last season, all went well until later (we think) in the summer, when leaves seemed to be wilted. Hi, Jess, The tree is constantly dropping yellow leaves and we are forever raking or sweeping them up. I feared some kind of pest or disease was shriveling the newly emerging leaves. I have 4 drip lines on the front half. goes down at least 18 inches deep. I sent him an e-mail: “…I would guess tree is about 7 years old. Obviously, I’m going with the good doctor. Mineral Deficiency Most types of trees require at least 16 elements to function properly. April, who had helped me before wasn’t available so I ended up asking one of the regular nursery staff. Carolina Cherry Laurel is from which state? Similar Images . Toni, I have them at the canopy treeline, tho. Do you already know that this is the time of year when Sumacs loose a tremendous amount of leaves? Fruit is a food source for birds. To wit: as I said earlier, ‘gardening…is not an exact science;’ and to quote Eric A. Johnson in his Guide to Gardening – Plants for the Arid West: Pruning, Planting & Care (which I believe is a very worthwhile book), “Growing and caring for plants is often as much art as it is science.”, To some, gardening is a crap shoot and/or a caveat emptor experience…the root of the problem I want to talk about here. The tree will grow a larger canopy when given the best care. Watering the trees might be beneficial, but not necessary, because, again, this is normal. Plant African sumac in a soil with good drainage. However, I am more than happy to try and find a solution to your recent problem with the one eucalyptus. This tree can also be infected by verticillium wilt disease. tend to think it's probably not getting enough water. Characteristics: This slow growing tree reaches heights of 15 to 30 feet with an equal or greater spread. Simple theme. I noticed that some of the leaves are turning yellow. Specifically, the tree is dropping an incredible number of (yellow) leaves. Could you have wind damage to the limbs in question but it’s hard to see? Leathery, medium to bright green leaves divided into 3 narrow, willow-like leaflets. Julie: Generally speaking both male & females produce flowers but only the female also produces seeds. Hi there, I live in San Diego (zone 24) and just planted our Sumac’s 2 weeks ago. There are older Sumac’s in the neighborhood, which I don’t think get any water, or just landscaping water. I have to go check on my babies outside and I have (6) Sumac Trees and I notice that they had start drooping leaves and I said what is wrong with my babies, so I brows the net and you gave me the answer I just want to Thank You so much for this very important “info” to me^^). boxes, so they are several years old. Hello I am so glad that I found your page it has help me alot I was sooooo worry about my Trees which I Love I am a tree lover as well as an plant lover I don’t have any animals so I call my trees and plants my “BABIES” I tell my husband all the time. a great deal of difficulty, then the soil is too dry. I am please too hear from you but I have six SUMAC Trees and they all are doing fine I’m assuming leaves began to yellow after it was planted. Sumac has upright fruit clusters, usually red and covered in a velvet fuzz. I hope these thoughts help answer the perennial question of why some leaves prematurely drop from trees. Environmental Problems. I sincerely appreciate your comments! Also, you might think about getting tree professionally pruned; it’ll do it a world of good; these trees seem to do just fine WITHOUT fertilizers. As far as fungi, not so sure that’s true in our climate. The canopy of this evergreen is very dense when young, thinning somewhat when more mature…This tree is typically multi-trunked and produces a high number of branches that grow in every direction. This synopsis is from the University of Arizona Arboretum website: “This slow growing tree reaches heights of 15 to 30 feet with an equal or greater spread. Remove branches that grow straight up from the African sumac's canopy. As you may have read in my blog, I live in Las Vegas, Nevada – a climate close to opposite of San Diego’s. The tree is a drought-tolerant native of Africa and is susceptible to root rot when it ... Verticillium Wilt. Question: I have two African sumac trees and the past few weeks many of the leaves are dropping a lot each day, and they are dry or yellow in color. I’ll cut back to once a month in the fall. Clusters of yellow-green flowers are profuse but insignificant. If you are considering planting an African sumac, here are a few facts you might want to know. I don’t remember this happening last year…but that might be a function of my selective memory. I don’t remember this happening last year…but that might be a function of my selective memory. They dug a hole about twice the container size and used a garden soil. I bought this house three years ago. There are fissures in the dark gray trunk which reveal an orange mahogany color beneath. I am in Las Vegas too. With that said, we had all our trees deep-root fertilized in February; another company recommended. Nina, • Are all 3 trees the same variety of eucalyptus? There was one other thing that was bothering me about our tree. I’ve been watering them once a week, deep watering (slow stream) with the hose for about 45 minutes. Norm: African sumacs are semi-summer deciduous. But never at a loss for words, spoken or written, here’s a few of my thoughts. Best Regards! If not, where? During the summer I tend to water 3 times a week, morning and afternoon 30 minute watering session. soil under the canopy of the tree with woodchip mulch 4 inches deep helps keep • Do you know when tree(s) were planted; about how tall are they? From what I’ve been reading here it sounds like I need to stop that. Fortunately, birds love them and help minimize that problem. deep the water penetrates by pushing the probe in the soil. You mentioned other sumacs in your neighborhood, are they showing similar signs of leaf-drop? See this article about cotton root rot, a disease which can affect African sumac and which could cause dying leaves and branches: http://www.azlca.com/uploads/documents/03-cotton-texas-root-rot.pdfRoot rot or crown rot. Larger leaves that end up in the swimming pool can complicate vacuuming and will put extra stress on the pool equipment. This drop & regrowth will continue well into July. Many of the leaves down in the canopy of the tree can’t get light and as a result they drop. Once this stage occurs, tree growth usually stops and branches begin to die. They were in 24″ containers. I showed him a tree with the distorted leaves and he said (without much conviction, which I always find bothersome) that he didn’t see any evidence of pests, so it must be normal. Although this tree is not deciduous, it does lose a great amount of leaves each year-- more so in the hot summers. flood the soil under the tree with a hose or sprinkler with a good soaking that I stopped watering the tree 3 days a week and now only “deep water” about every-other-week whiles it’s still really hot. African Sumac Problems. The moral to this story is use caution when asking for gardening advice, because it may not always be the right advice. Some 100 lightning strikes happen every second around the world, and trees are hit most often. At the end of the day, I am far from being an expert. My final piece of advice is for you to contact your LOCAL Master Gardener Help Line who will be better equipped to answer questions about plants in your climate: http://www.mastergardenerssandiego.org/. Elegant semi-weeping tree to 20 x 15 feet or more is an ideal choice for our climate. The “good news” is my tree doesn’t seem to be the only one having this problem, my neighbors’ trees and … I can only water it on the front half since it has spread it branches into my neighbor’s backyards. Beyond that concern, an African sumac should come with its own landscaping crew. Change ). The fruit contains small black seeds with a paper like coating.”, BUTTERFLY IRIS, AFRICAN IRIS, FORTNIGHT LILY, WILD IRIS, Very low water use; water only 12-15 times per year in Sunset Zone 11, Trees are dioecious, either distinctly female or distinctly male (ours is female), Spring pruning is best; clean out dead interior branches; prune up droopy lower branches; avoid making many heavy cuts on large branches at one time, Similar to Texas sage, prone to Cotton Root Rot; often caused by over-watering, Fertilizing seems to be a bit of a web (and print) mystery. In casual conversation, I mentioned about the dropping leaves and my over-watering. The tree hadn’t been watered or pruned for a while when I moved in. #112728302 - Scenic nature trail with bench, red sumac leaves, and trees with.. The tree drops its leaves and sprout messy blossoms repeatedly throughout the year. IMHO your watering your new trees once a week seems about right. they were planted 2 years ago and were in 24 in. So, my question for you is this: is it normal for African Sumacs to drop so many leaves (and I mean a lot) this time of year?”. I had my theory as to the reason, but thought it would be wise to check with an expert – the horticulturist at the (Las Vegas) Springs Preserve. I haven’t yet checked the soil under the tree to see if it’s wet on non-watering days, mostly because of the other sumacs in my neighborhood are doing the same thing. I ‘ve been watering them along with my other plants and trees on my drip system. Stop by The Arid Garden off Camino Encanto and view the lovely old African Sumac tree, now packed with inconspicuous clusters of small green blossoms. Here’s the telling message: if you have one of these seven species and leaves are prematurely falling, it’s likely normal. Heat-loving and tolerant of may soils. I was thinking I needed more drip emitters. As a neophyte gardener, who do I believe – Dr. Green Thumb at the Springs Preserve or this greenhorn (don’t you just love my puns?) Morris. African sumacs are not for those who want to keep a well manicured lawn. Nevertheless, this is the time of year that African Sumacs drop leaves…I have a ton on the ground beneath mine – about the same height as yours. CAN IT BE THE SHOCK OF PLANTING, CAN IT BE DAILY WATER IT GETS NOW, IN THE BEGINNING? It’s kind of hard to know for sure. “Growing and caring for plants is often as much art as it is science.”, “…I would guess tree is about 7 years old. I’ve always been happy! ( Log Out /  Clusters of pea-like fruit ripen to tan or red-brown. If left untreated, veins and leaf edges may turn brown and die. Carried only on female trees. I need HELP!!!! You should see a response by the tree if the For a tree that size, you should have more drip emitters, a total of eight (2-GPH) should do the trick. Similar Images . African Sumac offers superior drought tolerance so that it is a favorite shade tree for yards throughout the Southwest! Leaves dropped for this reason will be yellow to tan with few if any leaf spots on them. Consider sending an e-mail to Bob Morris who writes the gardening column in the Review Journal: Extremehort@aol.com He’s quite good about replying to gardening questions/concerns. While annual leaf-drop has nearly come to an end (in Las Vegas), my tree still has a zillion seeds/berries. In Las Vegas, now is the start of when Rhus lancea begin dropping leaves like crazy; it lasts for six weeks or so. If the water is Thanks very much for your comments; I feel a lot better now knowing sumacs can survive just about anything in our climate. The yellowing is in a few areas, not specific to a branch or an area. The usual problem with African sumac yellowing and leaf drop this time of year is a lack of water. Change ), You are commenting using your Facebook account. I appreciate your sharing your experiences! Specifically, the tree is dropping an incredible number of (yellow) leaves. Please give me an reply to this question Eucalyptus tree leaves dropping I have (3) tress but only one dropping leaves like Crazy.. HELP already. You want to encourage roots to spread outwards, so move watering zone out as the years go by; I’m assuming your hand-watering is the only water trees receive.