Increased deer populations rural shift and many other environmental factors have forced deer to wander into gardens and feed on the plants they find including your hydrangeas. Im worried the their leaf removal is going to prevent them from blooming next year. Perennials Resistant Bulbs Deer Anddeer Resistant Bulbs And Perennials Deer Resistant Flowers Deer Resistant Perennials Deer Resistant Plants The new plants get destroyed completely by deer but the old plants manage to survive the attack. Do deer eat hydrangea plants . Which means that deer prefer other plants more but when hungry deer will eat hydrangeas. However deer generally do not like plants with pungent aromas. They are herbivores and can make a quick meal of your garden. Theyll also eat carrots if they can find them. So people should grow the new plants safely to prevent from deer and this can be done by keeping protective wiring over the plants for a few weeks. Ive had a mother deer and her fawn come into my ...