Are Hydrangeas Perennials or Annual Plants

You’ll find hydrangeas growing in hardiness Zones 3 to 7 as perennials. With flowers starting in spring and often last throughout summer into early fall, hydrangea flowers can be the foundation plant of your landscape.

Do all hydrangeas come back year after year?

Yes, hydrangeas will come back every year as long as they do not die over the winter. Some gift hydrangeas are not bred to be very winter hardy though. So sometimes hydraneas will not survive the winter. But in general, most hydrangeas will come back every year.

Are there any hydrangeas that are annuals?

Well, technically speaking they are not annuals but many of the commercial providers of these sometimes gorgeous-looking H. macrophylla mophead plants are sold in locations where they are not winter hardy. … So in essence, they become “annuals”.