Yes, they are. Another obvious selection criteria is color. It's an early lilac. You can see that some of the flower characteristics are that it has a rather dense panicle and single florets. The panicle is the bunch of little florets that you're looking at, here.
Size is a very important thing to look at.
This is a medium-sized lilac, it's about 12 to 15 feet tall. So, it would work well in a medium-sized yard. Now, there are some very small ones there are some that are much larger and you should know this about a plant before you choose it. Know the size. Yes, you can.