Why are there figs on 3 new branches, 18 inches tall, and the rest of the same bush, 5 foot tall, has nothing on it and accounts for 80% of the bush? Seven other bushes produced very little last year, 5 figs. I watered them every other day. The soil was sent to a lab and came back productive, enriched, good growing soil. I don't get it. I started 30 baby plants from seed. They are growing beautifully, 18 inches tall and full of healthy leaves. Please help me.