Elisabeth C. Miller Library

Gardening Answers Knowledgebase


Knowledgebase record #399


PAL Question

Can you suggest any larger growing conifers (ex. Lawson's cypress) whose root systems are not invasive? The area I'm interested in planting is near water lines.

Answer

There are a number of conifers listed on the locally developed web pages of Great Plant Picks.

I would suggest looking at some of these, and then checking the web page of SelecTree, where you can select trees for low root damage potential.

For instance, if you are interested in planting a fir tree such as Abies grandis or Abies pinsapo, you would find out from SelecTree's full tree record that both of these have moderate root damage potential. Calocedrus, Picea orientalis, Sequoiadendron and Cryptomeria are also rated as moderate. Cephalotaxus fortunei is rated low, as are Pseudotsuga menziesii, and several Chamaecyparis species. The following conifers rated as having high root damage potential:

Picea abies NORWAY SPRUCE

Picea brewerana BREWER'S WEEPING SPRUCE

Pinus cembra SWISS STONE PINE

Pinus nigra caramanica CRIMEAN PINE

Pinus taeda LOBLOLLY PINE

Keywords: Tree roots, Conifers
Date: 2007-01-25

Need an answer to your gardening question? Ask us directly!

Browse keywords or Search:

Keyword Search