Not so sure you really can grow your own tea plant from tea leaves, but you certainly can use a tea bag as a good seed starter for other plants. (From exPress-o: How to grow your own tea plant from a teabag)
Pomegranate is one of the nicest fruit trees and perhaps the easiest to grow in pots because it has shallow root system when compared to other fruit trees. Learn How to Grow Pomegranate in Pots / Balcony Garden Web
Small Plant Grown From Lemon Seeds. Soak lemons seeds overnight Gently remove outer layer of seeds Put back into water as you prepare soil. Plant lemon seeds in a circle pattern. Place small pebbles on top of seeds Water occasionally and watch it grow.