Hi Margie,
thank you for stoping by my little shop! If you are using photoshop elements and your camera setting is set to shoot raw, put your white balance on auto and adjust the light temperature from photoshop, if you want to avoid shooting white elements. If you want to avoid spending time on photoshop elements, everytime you start a shoot, have a white paper with you, direct it towards your light and shoot it as close as possible so it fills your screen. Then select this as your white balance from your menu. This will help you get it right.
Always check on your camera that your whites are white and black are black. That's the best check you can do.
I hope this helps.
PS. Your work is pretty and with a bit more work on your photography it will show even better. Keep up the good work :)