Do I need a different wood to practice?
There are many advantages to turning bowls from recently cut trees.
Wood that is still wet with water.
most any native hardwoods a suitable for bowls.
maple, sweet gum, sycamore, cherry, are all beginner freindly.
Oaks can be good too. Live oak and laurel oaks are good beginner woods.
some folks turn bowls from dry wood.
However most bowl turner turn green wood. There are two general paths to a bowl
1. Turn it to finish while green with a 1/4” or less wall thickness let it dry a few days san$cand apply finish
2. Turn a rough out with thick walls dry (6-12 months) then return
You might be interested in a demo I have done quite a few times
I show some slides on green wood, rough turn a bowl to dry, mount a finish turn a dried warped bowl.
The August 2015 AAW JOURNAL has great article by David Ellsworth on working with green wood.
This is followed by 11 marvelous ways turners turned cracks into features.
One of David's themes is that the deck is stacked against newer woodturners successfully working with wet wood.
Might be a nice time to get the experienced wet wood turners exchanging information with those who are having problems.
I had lots of bowls and a few hollow forms crack when I started. Now it almost never happens.
I use the deck is stacked theme in a demo I do on working with wet wood.
I show these...