Do any of you grow Autumn Blaze Maple or Silver Maple trees? A little store in town has them on 1/2 price sale, and I'm thinking of getting them. They have two large Autumn Blaze on sale for $24, and a smaller Silver Maple for $13.50. Even the smaller one is kind of tall, maybe 10 feet, and the other two are at least 15 feet tall. They look healthy too, and the price is great. I read that Silver Maple does good in clay, which I'm pretty sure we have more than enough of. Just not sure about the Autumn Blaze in clay. I'd like to know if they are fast growing too, as I need some shade soon!