White pine are have the softest and longest needles. They are the children's favorite tree.
Scotch pine have long needles, but they aren't as soft as white pine. They are also a firmer tree and hold up ornaments well.
Fraser Fir hold up ornaments very well. Since they grow slower, they're a little pricier. If you turn the branches over, they have a beautiful blue tint to the underside.
Concolor have a very elegant look to them. We call them the cadillac tree and typically don't have too many since they grow very slow.