Hi, I’ve just purchased 2 weeping apricot trees to replace 2 pear trees that were getting too big near the house. I tried to dig holes for them, but there are so many roots I can’t dig a hole properly. The new trees are 1.8 metres tall, can I grow them in pots or should I put them in a completely different area of the garden?
It is possible to cultivate the new trees in containers, if you can accommodate them with large enough pots for trees that size. It's usually better to plant in the ground for long term growth.
If the root mass that you are trying to dig through is from the pear trees that you removed (and not from a living tree) you could consider hiring a local tree service with a "stump grinder" machine to grind a hole out for you.
Otherwise, the path of least resistance and lowest cost may be to choose another area of the garden.