Canada's climate can be harsh on your newly planted trees. Keep them safe and healthy through the critical root establishment phase with these easy-to-install tree watering bags. In addition to promoting deep root growth, the bags also help to reduce transplant and drought shock. Deep water saturation is achieved with every fill, with no run-off and 100% absorption. No tools are required. Multiple bags can easily zip together to accommodate larger trees. The non-invasive design will not harm your existing landscape. The durable polyethylene material can handle chemical/nutrient additives if desired.