Q. I have a clump birch that was planted in 1991. It has grown beautifully until this year. Long "seed worms" developed on two trunks, then shriveled up and now there are dead leaves on some of ...

When you don't properly plant the river birch tree, it often causes problems when it comes to water and root growth. Read more: The 11 Most Difficult Vegetables To Grow In Your Garden.

Trees to be planted include: three Dura Heat Clump River Birch, three Autumn Blaze Red Maples, two Celebration Red Maples and four Forest Pansy Redbuds (1.75-2 in.).