Give it a really hard prune back to the main stems. Next year it will grow new shoots. Cut these back by two thirds in August, and back to 3 buds the following March. Then if it doesn't flower, dig it up and chuck it out.
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Give it a really hard prune back to the main stems. Next year it will grow new shoots. Cut these back by two thirds in August, and back to 3 buds the following March. Then if it doesn't flower, dig it up and chuck it out.