When magnolia leaves turn browned , it is often a sign that something is not quite correct with your tree . Brown farewell can be triggered by a variety of factor , including drought , overwatering , nutrient insufficiency , pestilence , or disease . To ascertain the cause and address the issuing , it is important to notice the overall wellness of the tree and consider any late change in its environment .
First , check the soil moisture level around the tree . If the leaves are wrench brown and crispy , it could be a sign of drought stress . Magnolias more often than not prefer moist , well - drain dirt , so if you ’ve gone more than two week without pelting , it ’s a good theme to give your tree some body of water . A deep , thorough tearing once per week , focusing on the base geographical zone , should help comport your tree through a dry trance . However , be cautious not to overwater , as this can lead to theme rot and other issues .
If the browning leaves seem wilt or have chocolate-brown , scorched edges , it could be a sign of heat or sunlight stress . Magnolias are more often than not hardy , but they can suffer from leaf singe in highly hot or cheery condition . To relieve this , ply some shade or trade protection during the hot parts of the day , specially during summertime month . Mulching around the base of the tree diagram can also help hold filth wet and moderate temperature fluctuation .
nourishing deficiencies can also cause browning leaves in magnolia . If the browning is accompany by yellowing or stunted growing , it may be a mark that the tree diagram is miss crucial nutrient , such as nitrogen , Fe , or magnesium . Conduct a soil test to determine the nourishing stratum and adjust your fertilization regimen accordingly . apply a balanced fertilizer specifically develop for Tree , following the package instructions , can facilitate come up to any inadequacy .
Pests and disease can also bring to brown leave on magnolia . Common pestis that can make damage include scale , aphids , and spider pinch . scrutinize the leave-taking and branches for any signs of plague , such as sticky residue , webbing , or visible pestilence . If pests are present , process the tree with an appropriate insecticide following the instructions on the label .
Diseases such as leafage spot , powdery mold , or bacterial blight can also cause browning and stain of magnolia leaves . If you mistrust a disease progeny , it is best to confer with with a local arborist or annex government agency for an exact diagnosis and treatment options . They can render guidance on specific antifungal or cultural practices that can help manage the disease .
When magnolia leave of absence turn brown , it is important to assess the overall health of the tree diagram , consider recent change in its environment , and treat any potential payoff accordingly . Providing fair to middling water , shade , and nutrients , as well as care blighter and diseases , can help restore the wellness and looker of your magnolia tree .
Caroline Bates