May, Jun, Jul, Aug
Use secateurs scissors or single-handed shears to cut young topiary or intricate forms. Cut back the young current season's shoots when they have reached 8-10cm long. Cut back to 2 leaves from the base. Avoid cutting into the previous year's older growth.
For box hedges and edgings, trim the new growth using a pair of garden hand shears. For the top, make sure that you keep the blades horizontal to get a level surface. Cut back to a couple of leaves above where the current growth starts.