Pencil cacti prefer infrequent but deep watering only when the soil is completely dry. Overwatering is another primary reason why branches fall off suddenly. The Pencil Cactus plant drops branches when it is exposed to temperatures below 50F. With the right sunlight, water, and care, your pencil cactus will thrive without turning brown. Give it a thorough soak when the soil is completely dry.

Underwatering may make the cactus turn brown and shrivel. Allow the soil to dry completely between waterings to avoid this. Overwatering can also cause brown rotting on the stems and roots. Move it to a shadier spot to prevent further browning. Pencil cactus also turns brown when the plant is watered improperly.īrown tips or spots on a pencil cactus are often caused by sunburn, especially if the plant is in direct sunlight. Pencil Cactus turns brown when it gets exposed to sunlight for too long. Try to get a potting mix with 25% sand to increase the draining ability of the soil. Poorly draining soil/water-retaining soil causes waterlogged conditions. Let the soil dry in between the watering sessions. Feel the soil with your fingers and you’ll see that it is moist.Īlways water your pencil cactus sparingly as overwatering leads to root rot in many cases. This happens when the plant gets too much water.īranches turn greyish brown and fall off eventually. The branches may look brittle and people might think that it’s because of underwatering. The symptoms are so visible because pencil cactus doesn’t fancy overwatering. Pencil cactus shrivels when it gets too much water. There’s nothing you can do about it so you don’t need to worry about this at all. This is a natural process and the lower branches of the plant fall off. Yellowing of pencil cactus occurs due to aging too. You need to make sure you are not increasing the chances of root rot. Pencil cacti are susceptible to root rot. If it is winter then you need to water the plant once a month. Watering less is always better for succulents. When the plant is in a growing phase or it’s summer, watering the plant fortnightly would suffice. Check the soil with your fingers and do not water if it is moist.

You need to let the soil dry out completely before watering again. Pencil cacti are native to arid regions which means they can tolerate a lack of water for a good time. Overwatered Pencil Cactusĭon’t give your Pencil Cactus more water than needed. The injured part won’t get any nutrients or water which causes this yellowing.Įventually, that injured part will fall off the plant as it has no physical or nutritional support from the plant. Sometimes when the plant is injured, the connection to the broken part is lost. Pencil cacti leaves also turn yellow when the plant’s injured or due to aging. Yellow leaves may also mean insufficient sunlight. Allow the soil to dry out completely between waterings. Yellowing leaves on pencil cacti usually indicate overwatering. 8 Does pencil cactus need full sun? Why is my Pencil Cactus turning yellow?

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