How and When to Plant Fraser Fir Trees. Early spring or fall is the best time to plant Fraser fir. It is often sold as a container plant but can be ordered bare root through mail-order nurseries.

Where tree roots have become so thickly entwined in a soil that it is no longer possible to sink a shovel blade into it, it may be time to give up on in-soil plantings and, instead, spread an ...

The strongest evidence for trees sending resources via fungal pathways in a forest comes from a 2008 study in which mesh allowed fungi, but not roots, to connect ponderosa pine seedlings to older ...

The fir tree’s only defense against this attack in its cambium layer is to flush the insects out with pitch. But if drought and root diseases make water less available, the trees can’t amount ...

Gary Chastagner, a Washington State University professor called "Dr. Christmas Tree," shows Trojan and other fir seedlings at the school's Puyallup Research and Extension Center on Nov. 30, 2023 ...

The fir tree’s only defense against this attack in its cambium layer is to flush the insects out with pitch. But if drought and root diseases make water less available, the trees can’t amount ...

Replacement fir trees sit in crates on Bellagio property, ... The roots were in crates, prepared for the their return to the sidewalk location in front of the fountains once again.

In “Trees on the Edge,” for which Lowrey contributed aerial survey work, the acres with Douglas fir mortality attributed to the flatheaded fir borer jumps from a high of about 50,000 acres in ...