How many planets in the solar system have rings around them? There are four planets in the solar system that have rings around them, namely Jupiter, Saturn, Uranus and Neptune. These planets are classified as jovian planets, and they are massive balls of gas surrounded by rings and moons.
River Birch typicaly lives to about 75 years old but sometimes it can reach 80 to 100 years old in good sites. If a tree is planted wrong and/or in a wrong site it can cut its average livespan in half or even more.
One reason for the river birch's popularity is its toughness. It is virtually free of disease. The tree tolerates cold and heat, deer browse, poor drainage and air pollution. It thrives in full sun, partial sun or full shade, loam or sand, and highly acidic to slightly alkaline soil.