The Q&A Archives: green columnar juniper

Question: I planted a columnar jumiper back in early spring. It is now turning brown at the bottom of the shrub and some brown throughout. What can I do to stop the browning?

Answer: Browning can indicate problems with the roots (poor drainage, insufficient water), a fungal disease, or an infestation of spider mites. Since you?ve only recently planted your juniper, it isn?t likely that a disease or insect problem is the cause, but more likely a cultural condition that your juniper just doesn?t like. Junipers require a fast-draining soil and can develop crown or root rot if the soil remains soggy for long periods of time. While they like things on the dry side, they also require a deep soaking once each week to maintain health.

Why not water your juniper as you normally do, wait 3-4 days, then dig a hole near the roots of your plant. If the soil is still moist 3? beneath the surface, there?s just the right amount of water for your plant and you won?t need to water for another 3-4 days; if the soil is dry 3? beneath the surface, you?re not applying enough water when you do water and will need to adjust the amount; if the soil is soggy wet 3? beneath the surface after 3-4 days, the site doesn?t drain quickly enough to suit your juniper.

Hope this information helps you determine the cause of decline in your juniper.

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