Dwarf varieties of walnuts as an optimal solution
In order to give a walnut tree in a small garden the chance to develop fully, you must not rely on “conventional” walnuts.
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Note: Uninformed hobby gardeners sometimes try to keep a walnut tree small by force by cutting it radically on a regular basis. However, this leads to unhealthy growth and a short life expectancy for the tree.
There are now dwarf varieties of walnut trees too. These are special breeds that are refined on weak bases. As a result, only the smallest trees grow from it, which you can easily plant even in a small garden.
Good news: dwarf varieties of walnut trees also give you what you probably want to think of such a tree for: walnuts.
Portrait of dwarf variety 'Europa'
One of these dwarf walnut varieties is called 'Europa'. It only gets about 3.5 meters high - which is impressively low compared to normal walnut trees.
'Europe' has the ability to fruit laterally, which in turn has a fairly high yield potential. The walnut dwarf develops large, oval-shaped nuts that are very easy to open. You can count on the first income after two to three years. This is even a major advantage over conventionally growing walnut trees, where the very first harvest is usually much longer in coming.
'Weinsberger Walnut' as a small “classic” walnut
If your garden is not so small that you have to fall back on a dwarf variety, there is also the option of planting a relatively small “classic” variety: the 'Weinsberger Walnut', as far as we know, is the version with the smallest space requirement. Their crown reaches a diameter of seven to eight meters.