There are various synonyms that can replace the phrase "hadst a tree." Some of the best substitutes include "planted a tree," "cultivated a tree," "raised a tree," "nurtured a tree," and "grown a tree." Each of these can convey a different image or meaning, depending on the context. For example, "planted a tree" suggests that someone took an active step to add a tree to a certain location, while "nurtured a tree" implies that someone worked hard to ensure a tree grows well and reaches its full potential. Using synonyms like these can help writers diversify their word choice and create a richer, more engaging text.