Prunus
Victoria
The English Queen who shares her name with a type of plum is Queen Victoria. The Victoria plum is a popular variety known for its sweet flavor and juicy flesh. Queen Victoria reigned from 1837 to 1901, and her name has become synonymous with this delicious fruit.
Rosaceae
tree leaf
Prunus domestica.
Victoria plums are self fertile so do not require another plum tree to pollinate them.
Victoria - as in Victoria plum.
it could
You dig a hole and put the plum tree into it.
Prunus spinosa, as the binomial, scientific designation, and sloe, in the common nomenclature, are additional names for the blackthorn tree. The scientific name means "spiny plum" in English since the tree is a thorny relative of the plum tree. The common name refers to the blue-black color of the woody plant in question's sour fruits.
It may be aphids.https://www.gardeningknowhow.com/edible/fruits/plum/common-plum-tree-pests.htm
In a plum tree.