The usual Zelkova species used for bonsai is the Japanese Grey-bark Elm /Zelkova serrata, however there is no reason why any of the smaller leaved Zelkova species cannot be used. Your Ficus Ginseng bonsai tree needs a lot of light for the photosynthesis process. As expected, it lost its leaves over the winter. These leaves will always turn yellow before being able to drop. Remember that trees are creatures of habits. Once the roots and trunk begin to rot, most bonsai die. ZELKOVA SERRATA - the charming Japanese elm. However, facing challenges on your way of becoming a better bonsai tree gardener is inevitable. To illustrate this better, deciduous bonsai varieties will inevitably lose some or all of their leaves during the autumn-winter season, so there might be no reason to worry about leaves falling off. Are you using slow-release nutrients or fast-acting fertilizers? Watering problems are easier to prevent than to cure. This usually coincides with turning the central heating on! Another problem, especially when a Bonsai is placed indoors, is poor light. 3 photos are attached. Pruning. This looks like Zelkova, here a close up of the leaves, I had one for years. Remember that trees are creatures of habits. (Ulmus are listed seperately under their own species guide). The tree needs lots of light! As discussed above, a Bonsai drops its leaves as a result of improper care. The older leaves turn yellow and then drop off. Excessive water and poor drainage present greater risks to the tree. Sun Nov 25, 2012 3:42 pm. Please do not worry if your indoor bonsai does drop some older leaves. Itâs better to stick with more frequent watering using less water as to make sure you wonât make your bonsai suffer from under-watering. Inspect your bonsai thoroughly (use a magnifying loupe if needed), and use the right type of solution to get rid of the pests or disease-caused troubles. The Zelkova parvifolia is a semi-deciduous leaf tree. Itâs a great idea to regularly mist the leaves and stem, too, to help the tree transpire water better while roots are recovering. the right way! Once the recovery process shows visible signs of improvement, you need to repot your bonsai in high-quality soil. One of the most common reasons for over- or under-watering is not the absence of a well-working watering schedule but dealing with poor-quality soil. Leaf drop is usually quickly followed by a growth period. Needles of the past years are dropped. it is pruned vigorously in autumn, removing the branches that come out too much from the thicket of the foliage; from spring until the end of summer, trim the shoots leaving two or three pairs of leaves. More importantly, any of the issues you may need to resolve in order to help your bonsai reach its fullest potential are merely a part of the learning process. From summer through September I kept it outside in partial sun and we happened to get a lot of rain - maybe water every other to every three days. They have specific needs. Assuming your tree is losing leaves not because of the season, but due to a problem, this is what you should be looking at: Again, overwatering is a common issue. If you suspect that under-watering is the cause for leaves falling off (maybe you often forget to water your bonsai? The origins of a bonsai tree will flourish in this type of dirt and this is great for making sure that the trees grow correctly. Rectangle-Shaped Humidity/Drip Bonsai Trays, How to Revive a Bonsai Tree with Dry and Brittle Leaves, How To Get Rid Of Pests & Diseases For Your Bonsai Tree, How To Revive A Bonsai Tree With Brown Leaves, How To Care For A Bonsai Tree If Turning Yellow, How to Revive a Jade Bonsai with Leaves Falling Off, How to Revive Bonsai Tree with Leaves Falling Off, Control of Root Rot Disease Using Plant Powder and Essential Oil from Artemisia Monosperma, How To Maintain The Temperature For Your Bonsai Tree, How To Grow Bonsai Trees From Harvested Wild Plants, How To Cultivate The Roots of a Bonsai Tree, How to Prune Ficus Bonsai to Make it Thrive. Your bonsai is a tropical, and should be 'ever green' (I recognise the species, but can't remember the name). “Muchigomi”, means the daily company you give your bonsai to grow together. 3. Alternatively, too much water is also harmful for your bonsai, with over wet soil increasing the risk of your ficus bonsai developing the disease root rot. If your Chinese Elm drops leaves, keep a close eye on it as in the following weeks it should be replaced by strong green buds. The windowsill was quite cold and the tree had very little direct sunlight during this time, so I assumed this was normal behaviour for a deciduous plant. I have some mature Japanese Elm (Zelkova) trees in Olney, MD. The leaves have been yellowing and dropping all year since spring. On hot days more needs to be poured. Most indoor Bonsai species (Ficus, Carmona, etc) do not drop their leaves, unless there is a problem: Overwatering is a common reason when the indoor Bonsai is planted in poor soil that retains too much water. There is a difference between indoor Bonsai and outdoor bonsai. Saggy, limp and underwatered leaves recover quickly when watered. Wang Xiangâs Taiwan West Indian Cherry Bonsai â Image Source. However, when it comes to dealing with bonsai losing leaves and suspecting that poor-quality soil in combination with overwatering may be the cause for the issue, your wisest move is to start by letting the soil dry out (but not completely). For indoor bonsai tree gardeners, keep in mind that the natural access to indoor light might not be sufficient to help your bonsai thrive. Taking care of a bonsai tree is a profound pleasure that cannot be put into words. Without any doubt, though, no bonsai enthusiast wants to see his/her miniature masterpiece suffer. Partial leaf shedding in autumn: is quite normal for many needle bonsai (for example pine - pinus). Can you help? You should water only when the soil gets slightly dry and once the tree does better, repot it in better soil. You will notice this when the temperatures drop to about 15 degrees Celsius. Last but not least, pests or disease can make the leaves of your bonsai rapidly fall off. To stop your indoor Ficus bonsai from dropping leaves, you need to transfer it to a different location with proper sunlight. Keeping in mind that there are different factors that can lead to leaves falling off, you need to start the process of healing by first identifying the very cause of the issue. This can lead to water stress which can be lethal to your bonsai tree. Much appreciated for the small size of its leaves, and its peeling bark. I brought it inside to a sun room when it got colder out and the leaves started falling. The leafsize decreases quickly when the zelkova grows in a pot. This is particularly obvious in the Chinese Elms. Help with bonsai. This is normal leaf drop for the time of year and the new leaves should bud in about 4 weeks. Watering too often, while the tree is planted in a soil mixture that retains too much water, will lead to root-rot and the tree dropping its leaves. Indoor bonsai are rather like houseplants. Indoor Bonsai should be kept above 60Â°F (15Â°C) throughout the year, meaning that in most climates they need to be kept indoors during winter time. Do not make the mistake of compensating under-watering with overwatering. Then again, let your bonsai masterpiece take the time to recover and donât rush with additional treatments if you believe that environmental stress is the cause for leaves falling off. As a rule of thumb, regardless of whether it comes to an indoor or an outdoor bonsai, you want to water your tiny tree only when the soil feels slightly dry to the touch (about an inch deep). They are dark green throughout the summer, changing to yellow, orange, red and purple in autumn. 3) Stress Environmental stress can also cause your bonsai to lose leaves. If you forget to water your tree, the roots die off and the tree will die. Not only will your bonsai lose its leaves but it could die as well. 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