Deciduous Conifer Trees
Although most conifer trees are evergreen trees, there are still some deciduous species which will shed their leaves in autumn. Their needle-like leaves will turn yellow and drop off. When you see some leaves dropping from conifer trees, you should make sure that there are no problems on their roots because of too much environmental stress.
The Bald cypress is a typical deciduous conifer tree which will lose their leaves in autumn. It can grow rapidly and reach up to 70 feet in height. It can tolerate some coarse growing conditions like dry and wet areas. Its needle leaves will turn yellow before falling off in autumn. It prefers a full sunlight conditions with well-drained acidic soil conditions. It is famous for its pyramid like shape during the growth.
The dawn redwood is another deciduous conifer species which originated from Eastern Asian countries. It can grow up to 100 feet in height when fully grown up. It is a fasting growing tree and its flat leaves are growing in stems which have both evergreen and deciduous nature. The deciduous leaves will fall off in autumn while the evergreen ones are still there. The fallen leaves will turn yellow from its original green colour. This tree prefers well-drained and slightly acidic soil. It requires growing in moist environment and adequate sunlight. You also need to leave adequate space for its extended growth in the future.
Image provided By Thesurvived99 (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons