Sweetgum Balls

The American Sweetgum tree (Liquidambar styraciflua) is the second most common tree in Louisiana forests (the most common is the Loblolly Pine). Sweetgums are also plentiful in our local suburban landscape despite a significant drawback, the spiny seed-carrying balls that fall from their branches by the hundreds this time of year. The sweetgum is a …

Magnolia and Mimosa

This is one more look at trees of SE Louisiana, where Magnolia and Mimosa trees bloom in the late spring. The next blog post will shift focus back to the lake country of Minnesota. Magnolia Southern magnolia (Magnolia grandiflora) are highly valued trees that are strongly associated with the southern United States. It is the …

Southern Trees; Pines

Pine trees are prevalent in the Southeastern USA, but the species are completely different from those native to Minnesota. The Southern Pines native to St Tammany Parish, Louisiana are Loblolly, Longleaf, Shortleaf, Slash, and Spruce Pine. However, locally I’ve only identified Loblolly Pine (Pinus taeda). Loblolly Pine is the most common tree in Louisiana, by …

Southern Trees; Bald Cypress

We have returned south to Louisiana for the winter, so this blog will have to change a bit. To start, there will be a few posts that compare trees in the south to counterparts that grow in Minnesota. The first tree to be featured is the state tree of Louisiana, the Bald Cypress (Taxodium distichum), …

Fall Colors; Tamaracks

The tamarack is unusual because it is the only conifer native to Minnesota that is not evergreen. The photos below show how local tamaracks have changed color from September to October prior to dropping all their needles. A disadvantage for deciduous trees is that they must expend considerable resources to make new leaves each year. …

Winter Survival; Trees

Gentle snow fell in Northwestern Minnesota in early October this year, providing a wintertime preview. Surviving winter temperatures far below freezing is a big challenge for plants and animals. Today’s post focuses on how trees make it through — with some scenic pictures of the recent snow. Trees are largely comprised of water, a critical …

Patterns in Conifer Growth

Annual growth is reflected by patterns seen in the branches of conifer trees. Robert Knudson, a local biologist, points this out in a terrific YouTube video about our Northern Minnesota conifers. Pictures in this post illustrate two of the patterns featured in his presentation. Annual growth of Balsam Fir The pictures above show buds of …