Japanese maple trees generally grow best in US hardiness zones 5 to 8, tolerating winter temperatures ... Gardeners often ask whether it is necessary to fertilize established trees - here, but ...

So, select one with an NPK ratio of 20-15-15, 10-5-5 ... want to water the fertilizer manually so that it gets down to the root zone. Take note that if your arborvitae tree is planted in a ...