Gardening: Diversifying our urban forests — Part 2

As our community and residential trees are increasingly under attack by various diseases and insects, it is imperative that we plant different species and resistant varieties. Never has the need for diversification been so critical.
Last week, some of these trees were described. Here are more, some old and some new, that will help to diversify our urban landscapes.
American larch or tamarack (Larix laricina) (50 x 20 ft.) is native to the boreal forests of the prairies but adapts well to urban l