from the blog

When to Begin Fertilizing in Spring?

When to Begin Fertilizing in Spring?

March 5, 2021

It’s likely not a good impulse to want to lasso students to slow down their spring fertilizing, but I admit to the urge. And yet I get it: the trees are growing, so we reach for the fertilizer by instinct.  The problem with this is that by the end of summer everything, even old geriatric […]

An Oft-Forgotten Repotting Clue-

An Oft-Forgotten Repotting Clue-

February 26, 2021

Deciding to repot or not is often fraught with angst. Do we do it this year? Maybe next year? Considering the clues can help you decide. Maybe you know a tree with slow water penetration, that one might be ready for a repot. Try driving a chopstick into the soil on another one, near the […]

Shimpaku on Rocky Mountain: Revisit

Shimpaku on Rocky Mountain: Revisit

February 19, 2021

Here’s a tree we’ve not covered in a while, a grafted cascade juniper. The trunk is Rocky Mountain, and the foliage is a rather coarse shimpaku variety that I like as it marries well with a coarse, meaty trunkline. Often very fine Itoigawa and even ordinary shimpaku seem too fine for some purposes. It’s been […]