Perhaps the two trees that are turning brown are suffering from moisture stress.
27+ Fernspray Cypress Turning Brown. It is similar to c. Leyland cypress branches turn brown because of an infiltration of three types of fungi:
False Cypress Bonsai Bci from www.bonsai-bci.com
If the soil ph is above 7, the fernspray cypress is unable to absorb some nutrients from the soil. The leyland cypress (x cupressocyparis leylandii) has a lot going for it. It never really thrived, but this year p the front half of the plant turned brown and the branches pretty much died.
Closer examination will reveal slightly sunken cankers, with.
Reddish brown bark will peel on mature trees. Browning on newly planted leyland cypress could be caused by a number of different things. ( live plant growing in a 3 gallon pot ) fernspray hinoki cypress chamaecyparis obtusa filicoides handsome pyramidal form with gracefully curved limbs and soft fern like. There's healthy growth on the top though but i'm worried the shedding will catch up.
