Winter injury is a potential problem in spring, wherein a single or a more branches on bonsai trees, like the azalea, begin to possess brown leaves and eventually die back problems are caused by winter wind stripping water in the bonsai plant, most especially if it is grown in a native place with the complete sun. Scale insects can suck the plant sap from the branches. JavaScript is disabled. While bonsai trees may look ornamental from the inside of a home or a beautiful Zen garden, they are requiring all the same environmental factors and nutrients like their larger tree counterparts. Im from Scotland and its been heavy rain the past few weeks so ive not had to water it at all, just gave it some feed end of October and last feed for the year. It is native to the coasts of northern and central California and can grow to between 70 and 90 feet tall. 1.8k. Also, in the hottest part of the summer, it is wise to be vigilant about moisture levels in the air as well as in the soil. The redwood (Sequoia sempervirens) is also known as the coast redwood. My redwoods often sit in an inch our two of water...especially in the heat. Thread starter bsman36; Start date Jul 28, 2018; bsman36. There is very shallow root system which is a possible sign that the roots have not been able to find water. My P. afra and Noface. The proper environment is essential to bonsai trees. Don’t overwater or underwater. Keep your bonsai well watered. it lives outside in my south facing garden. Here's a picture of one of mine: Sounds like it’s time to sleep in the Redwood Forest! Be sure to verify the package label for additional directions. The roots of the bonsai tree may appear to be experiencing rotting. If your Dawn Redwood Bonsai is to be an outdoor specimen, it will require ample protection from extreme cold and frost during the dormant season. You are using an out of date browser. New comments cannot be posted and votes cannot be cast. Now, you are more knowledgeable, skilled, and aware why the leaves of bonsai trees may turn brown. Posted by 6 days ago. But if the infection is progressed, and the bonsai cannot be revived, it is best to destroy the bonsai plant and then sterilize the soil. Sort by. B. bsman36 ArboristSite Lurker. They can develop diseases or infections when they are kept outside, such as brown leaf spot, that can turn leaves brown, and root rot. Mine is also turning brown. Leaves may appear mildly scorched, turning a light brown at the margins. Tiny white things present in the soil which is an indication of fungus gnat larva. You can also spray an anti-desiccant solution in fall to avoid an azalea bonsai from losing too much moisture and to be able to sustain a winter injury. It is likely the best time to repot if you notice brown foliage that is appearing on your bonsai plant’s bottom limbs. The specter of infestation by pests and disease is constant among plants, even with bonsai trees. Never follow a strict routine watering schedule because you have to consider the changes in plant and environmental conditions. 33 comments. Remove your bonsai tree from the water, and let the water to drain thoroughly from the drainage holes. You need to water your bonsai tree regularly to ensure it will not dry out when it is exposed to the sun. These iconic conifers can be grown individually, in groves or even as a tall hedge. 1.8k. But you need to sure to check the soil if your bonsai plants need watering. Pinching away brown and wilted leaves from the stems, and using pruning shears in trimming away any dead leaves, stems or branches are helpful for the survival and revival of your bonsai tree. My dawn redwood forest bonsai is turning brown, is this normal in winter time ? Overwatering or excessive water may become trapped, that leads to rotting of the roots of the bonsai tree and the leaves turning brown. Other microscopic mites create visible webs and they feed on leaves. For instance, your Juniper bonsai tree enjoys a full sun, but it also survives in partial shade. Mist the foliage and leaves every few days. This is a chance to increase your knowledge and skills, and gain the right attitude in caring a bonsai that has brown leaves, and seemingly dying. It is important to test the soil by simply poking your finger in it, and if it feels nearly dry or dry, then you need to water it. Early fall and late spring frosts can cause redwood foliage to turn brown or black. Coastal redwood tips of needles turning brown, ideas?