Flowering cherries are tricky to root from cuttings. Most ornamental cherries are grafted onto different roots - if you do manage to root a cutting, the tree won't be the same shape as its parent; it might be a lot taller, or not so vigorous, or not so keen to flower when young. If you want to try, you could take hardwood cuttings in the winter. You take a 15-30cm length of the current year's growth, cutting off the soft tip, and cut the bottom just below a bud. Dip it in hormone rooting powder and insert it in a trench in the garden, or in a deep pot of gritty soil. Don't give up if it doesn't root straight away - it can take a long time.
Since 2019 I've lived in east Clare, in the west of Ireland.
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If you want to try, you could take hardwood cuttings in the winter. You take a 15-30cm length of the current year's growth, cutting off the soft tip, and cut the bottom just below a bud. Dip it in hormone rooting powder and insert it in a trench in the garden, or in a deep pot of gritty soil. Don't give up if it doesn't root straight away - it can take a long time.