Christmas tree Is Turning Brown
Norfolk Island pine (Araucaria heterophylla). These Christmas-tree look alikes are very popular as houseplants, although they can also present as stately outdoor trees in appropriate hardiness zones.
If the foliage of your lovely Christmas Tree is turning brown or yellow, jump in and try to determine the cause. Although most browning Christmas Tree foliage results from problems with cultural care, it may also indicate diseases or pests. Read on for information on how to figure out the cause of yellow/brown Christmas Tree branches.
Yellow/Brown Christmas Tree
Whenever you spot yellow/brown Christmas Tree foliage, your first best step is to walk through the cultural care you are giving your houseplant. These trees can live a long time in pots indoors or out, but they need very specific conditions to thrive. Every tree has a hot/cold temperature range that it prefers, and those forced into winter or summer conditions outside their tolerance won’t grow happily. If you notice your Norfolk pine with yellow leaves, the temperature is the first suspect.
Temperature
Likewise, very high temperatures can also cause yellow/brown Christmas Tree foliage. If your tree was outdoors (potted or not) in these extreme temperatures, you have likely found why your Christmas Tree is turning brown.
Sunlight
Temperature is not the only potential cause of yellowing or browning Christmas Tree foliage. The amount and type of sunlight is also important.
Christmas tree require ample sunlight, but they don’t like direct sun. Your Christmas Tree with yellow leaves might be suffering from either too much direct sun or too little rays. Move it to a spot where it gets plenty of indirect light. In the summers, try moving your houseplant Christmas Tree outside beneath a tall tree.
Christmas tree require ample sunlight, but they don’t like direct sun. Your Christmas Tree with yellow leaves might be suffering from either too much direct sun or too little rays. Move it to a spot where it gets plenty of indirect light. In the summers, try moving your houseplant Christmas Tree outside beneath a tall tree.
Water
Irrigation is important to Christmas Tree, especially when the weather is warm. Winters you can back off irrigation a little, but when you see browning Christmas Tree foliage, you might want to start watering a little more generously. Humidity is also important
Pests and Disease
Pests and diseases can also cause browning or yellowing Christmas Tree. A Christmas Tree with yellow leaves might have developed a fungal disease, like anthracnose. You’ll know your tree has this disease if you first see spots on the leaves, then entire branch sections yellow, brown and die. Often, the real problem when your Christmas Tree is turning brown from anthracnose is that you are keeping the foliage too wet. Stop all overhead irrigation and allow the foliage to dry out. You can also spray the tree with a fungicide.
Pests and diseases can also cause browning or yellowing Christmas Tree. A Christmas Tree with yellow leaves might have developed a fungal disease, like anthracnose. You’ll know your tree has this disease if you first see spots on the leaves, then entire branch sections yellow, brown and die. Often, the real problem when your Christmas Tree is turning brown from anthracnose is that you are keeping the foliage too wet. Stop all overhead irrigation and allow the foliage to dry out. You can also spray the tree with a fungicide.
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