Make sure you inspect perimeters daily, remove any leaves or branches over the copper band as snails and slugs will use this material for a bridge to cross the copper.
Please note copper bands have sharp edges, you can prevent accidents to children or pets by simply folding the visible edge with a pair of pliers.
If you have problems obtaining copper strips then try this method contributed by: Sterling
Take a few inches of copper wire out of an electrical flex. Twist this around your finger so it forms a coil of 2/3 turns.
Pull it apart slightly so the threads are overlapped and tangled to form a more complete barrier.
Place this around the bottom of the main stem leaving plenty of space for growth.
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