FREQUENTLY ASKED QUESTIONS ABOUT CEDAR HEDGE MAINTENANCE


Answers to your questions about Cedar hedges

FREQUENTLY ASKED QUESTIONS

Watering frequency will depend on the month and temperature. If there's little or no rain, we recommend watering cedars once a week in April, May, June, September and October, for about two to three hours. If there's a heatwave in July and August, we recommend watering a second time to ensure the hedge doesn't run out of water. Watering with a drip hose is strongly recommended to ensure that water is evenly distributed throughout the hedge.

If the foliage inside the hedge turns yellow in August or September, it's probably a result of the hardening-off process. This is a perfectly normal process, during which the cedar sheds its old foliage to make way for the new growth that will appear in spring. If cedar foliage is yellow on the outside too, it may be due to transplant shock, overplanting or lack of water.

A White Cedar hedge will reach a height of around 40 to 50 feet, while a Nigra Cedar hedge will reach a maximum height of around 20 feet. In most cases, therefore, the size of a mature hedge will be determined by the maintenance carried out by the owner.

Yes, a cedar will survive in the shade. However, its growth will slow down and its foliage will be lighter.

A cedar hedge needs a minimum of 2 to 3 hours of sunlight a day, plenty of watering about twice a week (especially during heatwaves), annual pruning and, ideally, fertilization.

If a hedge is not trimmed every year, it will tend to grow a foot or so taller and widen by a few inches a year. While it's possible to cut back a hedge that's too high, it's unfortunately impossible to thin out a hedge that's too wide. So, annual pruning will ensure that the hedge doesn't become cumbersome in the long term, and that a section of your land isn't lost unnecessarily.

In the best-case scenario, a cedar hedge should be trimmed every year. If maintained every two or three years, the hedge will widen by a few inches each year, which could lead to a wall several feet wide in the long term (undesirable). If the cedars are never pruned, after a few years the snow will damage the branches, which will then become too long and heavy, and the hedge will slowly wither away.

A hedge can turn "rusty" for a number of reasons. If the cedar has just been planted, it's probably transplant shock. If a section of the hedge looks burnt throughout, it could be salt burn (validate if water is leaking from a salt-water swimming pool). If the tips of the regrowth in the center of the hedge look dry, it could be cedar leafminer (an insect pest). Finally, if the foliage inside the hedge turns orange and falls off, it's probably due to the (perfectly normal) phenomenon of shedding, during which the cedar gives up its old foliage to make way for new shoots that will appear in spring.

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