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Deer often eat mums in fall, when other food is less available and the plants offer fresh, moist foliage and buds. Gardeners can try repellents, barriers and porch placement, but no method is guaranteed; late-season damage may prevent blooms before frost.
Deer may eat fall mums even though the flowers and foliage have a strong, bitter-herby smell, according to florist Christina Stembel, quoted by Country Living. The report says fresh, watered plants can become an attractive food source as other vegetation dries back, while offering practical options—from repellents to wire barriers—for gardeners trying to protect their fall porch displays.
Stembel, founder and CEO of Farmgirl Flowers, said deer often eat plants described as low-maintenance fall flowers, especially when food is scarce. In her experience, highly fragrant plants such as rosemary, lavender and eucalyptus have been less likely to be eaten, but she cautioned that most plants can be vulnerable. That is an individual observation, not a guarantee for every garden or deer population.
The timing of damage matters. Mums nibbled in early or midsummer may have time to grow back, and hardy varieties can return if their roots survive. But if deer remove the buds in September or October, there may not be enough growing time before frost for the plant to produce its usual show of flowers. Stembel advises cutting back and mulching hardy mums with healthy roots for the following year, when self-sowing fall flowers can also bring back autumn color.
Suggested deterrents include commercial sprays or granular products, as well as homemade garlic- or vinegar-based sprays. Their effectiveness varies, and the report says repellents need repeated application, especially after rain, according to product directions. A physical barrier such as chicken wire or bird netting can shield plants; keeping pots close to a frequently used doorway may also make deer less likely to approach.
Protecting Mums Before Frost
For gardeners, the main practical issue is that late-season browsing can cost a plant its fall blooms, even if the roots survive. A mum damaged earlier in the season may recover, but buds eaten close to frost are unlikely to be replaced with a full display in time. Knowing that distinction can help set expectations and guide whether to protect, prune or simply overwinter the plant.
The report also makes clear that deterrence is not certain. Fragrance alone may not stop a hungry deer, and scent-based products can require regular renewal. Gardeners who want to preserve flowers for a particular event or seasonal display may prefer a barrier or protected porch location rather than relying on a repellent alone. These measures take effort and may affect how a garden looks, but they can reduce direct access to the plants.
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Why Fall Mums Attract Browsers
Chrysanthemums are popular because they bloom in autumn, when many other plants are fading. The source report describes mums as fresh, watered and fertilized plants that may be available as surrounding vegetation becomes less abundant. Their tender leaves and buds can provide moisture and nutrients. Stembel said deer are also trying to build reserves ahead of winter, though the report offers no study or local population data quantifying how often deer eat mums.
Deer are not the only possible cause of damage. The report also names groundhogs, voles and rabbits as animals that may eat mums, while squirrels and chipmunks may dig around plants. Aphids, thrips, spider mites and slugs can cause smaller-scale damage. Gardeners should check the type of injury and look for signs of the animal or pest before deciding that deer are responsible.
Stembel suggests other fall plants she considers safer bets, including Japanese anemones, sedum, Russian sage, salvia, agastache, marigolds, snapdragons, ornamental grasses, asters and goldenrod. She warns that “deer-resistant” is not a firm promise: plant choices and outcomes can vary with local conditions and how hungry animals are.
How Reliable Are Deterrents?
The source does not compare deterrents in controlled tests or provide success rates. It says sprays and granular products can help, but their performance varies; deer may also become accustomed to repeated scents. Motion-activated sprinklers may work briefly, according to Stembel’s experience, but she said deer can return. The report provides no evidence that any one approach will protect every garden.
It is also not clear how much of a particular plant will recover after browsing. Results depend on when damage occurs, the mum’s condition and whether its roots remain healthy. And because rabbits, rodents and insects can also damage plants, the cause may need to be identified before selecting a response.
Steps Gardeners Can Take Now
Gardeners can inspect mums for browsing and check nearby plants for clues about the animal involved. To protect buds still on the plant, the report suggests placing pots near the home, using a wire or netting barrier, or applying a suitable repellent as directed and renewing it after rain. If a hardy mum has been browsed, gardeners can cut it back and mulch it if the roots appear intact, while recognizing that a late-season plant may not bloom again before frost.
There is no single next milestone in the report; the outcome will depend on local deer activity, weather and the condition of each plant. Gardeners considering alternate flowers can try the varieties Stembel lists, but should treat them as less likely to be browsed, not deer-proof.
Key Questions
Do deer eat chrysanthemums?
Yes. The report says deer may eat mums despite their strong smell, particularly when other food is drying back. How often that happens depends on local conditions and food availability.
Can mums recover after deer eat them?
They may recover if damage occurs early enough in the season and the roots remain healthy. Mums browsed in September or October may not have time to grow new showy buds before frost. Hardy plants can be cut back and mulched for the next year.
What can I use to protect mums from deer?
The report suggests commercial repellents, homemade garlic- or vinegar-based sprays, chicken wire or bird netting, and placing pots near the home. Repellents need regular reapplication as directed, and none of these methods is guaranteed.
Which fall flowers are less likely to be eaten?
Stembel suggests Japanese anemones, sedum, Russian sage, salvia, agastache, marigolds, snapdragons, ornamental grasses, asters and goldenrod. She cautions that “deer-resistant” does not mean deer-proof, especially when animals are hungry.
Are deer the only animals that damage mums?
No. The report also lists rabbits, groundhogs and voles as animals that may eat mums. Squirrels and chipmunks may dig in pots or beds, while insects and slugs can cause other damage.
Source: rss
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