Hello. I live on a ranch in an area of northern Idaho mountains and
we get winters with heavy snow and temperature that can drop to the
MINUS teens. I think we are zone 4.
My question concerns some cuttings I've rooted just this May from an
Aussie tree which is a hybrid willow. I am sure you've seen them
advertised on the web. We have one actively growing tree and want to
add several more as a screen. I have 16 of them rooted and growing
well in 1 and 1.5 quart containers. I think they are too young to
plant this fall as we have wild grasses in the area to be planted,
rocky, clay soil on a sloping bank along a road. How can I best
winter these young trees over and when would be best to plant them
next year? Spring or fall? I have an unheated greenhouse that is a
shack at best. I do have an insulated out building without windows.
Thanks for any advice,
Good question. In a tree biology workshop it once came up about planting
time. It was said that diffuse porous wood trees in the spring. The trees
with the more robust root system, the ring porous trees in the fall.
Conifers could be planted in the winter if you can work the soil. It was
made very clear that these were merrily suggestions and not rules in any
way. Willow would be a diffuse porous tree. I do not have the answer for
the rest of your question.
John A. Keslick, Jr.
Beware of so-called tree experts who do not understand tree biology.
Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us
that we are not the boss.
Thanks for this rule info. I had never heard those terms and looked
them up to understand more about the concept. This helps a lot as far
as planting some other trees I have started from seed - maples, oaks,
and some fir & pines. They have done very well planted in fall, which
makes sense since I'd think they are in the ring porous category. I
will plant my Aussie willows in the spring, then.
I have to comment again that I have been continuing to look for more
info on this subject. Seems like everytime I click on a link that
looks like it has an informative article, you have written it! I see
I was mistaken in thinking maples are of the ring porous type. This
is so complicated and I hope you'll help me understand. In this
article http://ccil.org/~treeman/tree3.html you indicated oaks ( and
I have pin oaks started from acorns) are ring porous. Watering is a
big problem because of where these trees, now 4 to 6 feet tall. I
think I understand that they absorb water early in the spring and then
are fine for a period of time without water. Is that right? And is
that as opposed to maples which need more water, frequently, because
they are diffuse porous. Am I understanding correctly?
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