Mexican Fence Post Cactus Turning Yellow

The mexican fence post will eventually reach 20 feet tall and will remain as straight as it is in this photo.

Mexican fence post cactus turning yellow.

I have a cluster of 3 mexican fencepost cactus that were planted in 9 09. If the soil is not dry move the pot to an area where the cactus can get more sun. Cactus showing signs of scale insect infection source. Wikipedia commons cold temperatures mexican fencepost is frost sensitive.

An under watered cactus may also pucker or shrivel but can also discolor usually getting brown and dry or calloused. The yellowing of this mexican fence post cactus might be mitigated with a reduction in watering. Maintenance plant the mexican fencepost in well draining soil and full sun with reflected heat or partial shade. I recently bought these 2 cacti and placed them in the same pot.

The mexican post is turning yellow on one side and the barrel cactus has lines on one area. Rot proper watering is essential to the. I noticed this brown spots on my cactus and i was not sure if it is some form of. I planted this specimen on the east side of my garden as it prefers partial shade.

If your succulents and cacti are showing these symptoms give them a nice thorough watering. If frost is in the forecast cover the top of the cactus with an old t shirt foam cup or wash cloth. The mexican fence post is native to the states of hidalgo queretaro and guanajuato and is widely planted and naturalized throughout mexico. Water sparingly in the winter as it does not grow in cold weather.

Asked october 12 2016 10 28 am edt. The rest of the barrel cactus ooks fine. One in the cluster is turning yellow w black soft circles from the bottom to the middle. It branches from the bottom.

I also noted that both these cacti where they have the yellowing or problems are are. If the cactus is turning yellow or brown it is getting too much sunlight and you should move it into a spot with better shade. I think it s an exceptionally attractive cactus and i wish i had acquired a few more. What is happening to my mexican fence post cactus pachycereus marginatus.

Courtesy of sandra chester tomatoes and many other plants produce more flowers than they can set.