Hi VF,
Are you mad? YES but whats that got to do with mini orchards

I planted a small orchard 6 apple, 3 pear, and 3 plum 25years ago when we lived in Wiltshire. It was very successful but the only variety I can remember
is one of the plums was Victoria, and it cropped like mad. As Snadger said you need varieties that cross polinate and any decent suplier will help you with that.

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It's not the growing old I mind but the growing stupid with it!