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.
The river birch is a large deciduous tree, typically growing to 40 to 70 feet tall, but may grow as high as 90 feet. The average tree spread may be as much as 40 to 60 feet. This native birch grows at a medium to rapid rate (30 to 40 feet over a 20-year period).