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.
A healthy birch tree should be able to survive and thrive for 40-50 years. In many yards, however, it is not unusual for birch trees, especially the white-barked birches, to die well before reaching 20 years of age.