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Keyword Search Results for:
Alberta Spruce

4 Found

Question: 5-5201
Can I keep my Alberta Spruce trimmed as a dwarf plant? It is in a 13 inch pot. Elaine, Norwich, CT

Mort's Answer:
Alberta Spruce will not survive as a patio plant in zone 6. Roots will freeze dry. Picies glauca conica is vulnerable to spider mite in hotter climes. Although it is a dwarf spruce, it can grow to ten to twelve feet in 25 years. It does not need to be trimmed and it is often used as a Christmas tree. Alberta Spruce has a natural conical growth pattern. There is a dwarf Norway Spruce that only grows to a foot high. P.abies pygmaea could be completely covered with straw and burlap for the winter but it too prefers to be in a garden. Several other Norway Spruce would not grow as tall as the Alberta Spruce. P.abies compacta has a globe shape. P.abies gregoryana grows to two feet with crowded pale branches. P.abies nana has yellow-orange leaves and grows to two feet. A very dense P.abies maxwelli has a flat form and grows to two feet. Since Noway Spruce grow to 150 feet, these varieties are truly dwarf. Spruce prefer an acid soil and urns are alkaline and too restrictive of the roots.

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Question: 150-5201
Can we trim Alberta Spruce ? Jack, Mystic, CT

Mort's Answer:
It is not necessary. Picea glauca conica has a naturally compact dense growth pattern. You will not harm the plant with trimming in the summer. We have a Christmas tree type of plant. It is about a third brown. We found some insects on the plant by tapping a branch onto a white piece of paper. We sprayed with Diazonin and the bugs have seemed to disappear.

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Question: 151-5201
There is some growths that look like peppercorns near the joints of branches. What should we do? Angela, CT

Mort's Answer:
My educated guess is that you have Alberta Spruce . All spruce are subject to galls and red spider mites. Mites are detectable by using a white piece of paper under a branch. Red blotches will appear on the paper. The peppercorns are galls, which are egg nests for aphids or some other insect. Remove the galls and spray with Kelthane or some other miticide. Follow directions on the label.

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Question: 610-3511
I have three Alberta Spruce trees and they line my driveway and they are getting too big. Can they be pruned? I am not sure if they are dwarf. They are about 6 or 7 foot tall and very big around!! Sharon, Glastonbury, CT

Mort's Answer:
All Alberta Spruce are dwarf spruce. This means that they will not grow to 75 feet. They will slowly mature to 10 feet. There is no need to prune them. They are naturally conical and compact. If you prune, you will expose a leafless interior.

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