If you notice scattered leaves intermittently turning yellow, the best thing to do is water.

Sep 01, About this time of year leaves on many tulip poplar trees will start to gradually turn yellow before they fall to the ground (Fig. 1).

Note, not all the leaves will turn color and fall, but some scattered leaves throughout the canopy will eventually drop (Fig.

2).Estimated Reading Time: 2 mins. Premature yellowing and leaf drop observed on tulip tree (Liriodendron tulipifera), also known as yellow poplar and tulip poplar. (Figures 1 and 2) are symptoms most likely related to root stress.

Extended periods of hot, dry, weather in combination with various site stress factors, are likely contributing factors. An added symptom that frequently accompanies the leaf yellowing is the appearance of circular, black. Why is my Tulip tree losing leaves in summer? This is completely normal in my opinion. Many tulip trees experience the same in the summer.

This is the plant’s response to the hiking temperatures. The leaves become yellow first and they fall off. This happens at the end of the growing season. This is triggered by even a brief loss in soil moisture. Tulip poplars are one of those trees that react dramatically to drought by dropping their leaves, the drier it gets, the more leaves they drop.

It's a perfectly normal reaction for the tree, although it may look like it's going to die, it isn't. A: Tulip poplar is famous for dropping leaves whenever it feels stress. Both drought and excess water cause the tree to be uncomfortable – which it demonstrates by dropping yellow leaves.

I don't believe you have anything to worry about.

This is one of those characteristics you just have to learn to live with. Be glad you don’t have to tolerate the stickery balls of a sweetgum tree!