Tom, I carry a pruner at all times and do a lot of "thinning" during the
summer. Dormant pruning has a stimulating affect on the plant and summer
pruning retards new growth somewhat. Take all the sucker sprouts off and some
of the smaller side branches before the get very big.
Ed Mashburn
Northumberland BerryWorks
707 Front Street
Northumberland, PA 17857
Ed@currants.com
WWW.Currants.com
(570) 473-9910