Deer Resistant Flowers

How deer choose what to eat

Deer make food choices based on palatability, hunger, and availability. A plant that deer ignore in a lightly populated rural area will get eaten in a suburban neighborhood where 20 deer compete for the same food sources. Deer resistance is not binary — it exists on a spectrum.

The Rutgers New Jersey Agricultural Experiment Station has the most widely referenced deer damage rating system in the US. They rate plants from A (Rarely Damaged) to D (Frequently Severely Damaged), based on observed damage across thousands of garden sites. That rating system is the most honest tool available for US gardeners because it reflects real feeding behavior under real deer pressure.

Plants smell matters more than most gardeners expect. Deer have a sense of smell estimated to be 1,000 times stronger than a human’s. Strongly aromatic plants — lavender, catmint, salvia, Russian sage, agastache — are avoided because deer associate strong scent with potential toxicity. This is why the most reliable deer-resistant flowers also tend to be the most fragrant.

Toxicity is the other major factor. Daffodils, foxglove, bleeding heart, and monkshood are toxic to deer. They learn to avoid these plants through smell and occasionally by negative experience. Deer do not eat daffodils. They have never eaten a daffodil in any US county. If you have daffodils that disappear, the culprit is squirrels or voles, not deer.

Rutgers A-rated flowers: rarely damaged in any US zone

These are the plants I trust in high-pressure deer areas. Rated A by Rutgers — deer avoid them consistently even in suburban New Jersey, which has some of the highest deer density in the US.

These plants share traits: strong scent, fuzzy texture, or chemical compounds that deer find unpleasant. Planting them in high-visibility spots where deer typically enter gives you a reliable line of defense.

Reliable deer-resistant annuals for summer color

Annuals need to be replanted each year, but they provide the most continuous color through summer. These are the annual flowers with the best track record in deer country.

Snapdragons (Antirrhinum) are rated A by Rutgers. Their slightly bitter, fuzzy texture makes them unappealing to deer. They prefer cool weather — plant them in early spring for a long show before summer heat slows them.

Dusty miller (Senecio) has silvery, velvety foliage that deer do not eat. It adds texture to borders and pairs well with any flower color. It is grown for foliage, not flowers, so it works as a reliable anchor in annual beds.

Zinnias are moderately resistant but widely planted and quick to recover. Deer occasionally graze young zinnia plants but typically leave established plants alone. The rough texture of zinnia foliage is a deterrent.

Wax begonias are more deer-resistant than many gardeners expect. Their slightly waxy, bitter foliage holds up well in suburban gardens. They are also shade-tolerant — one of very few deer-resistant options for part-shade annual beds.

Marigolds offer moderate deer resistance along with documented nematode suppression and strong pollinator value. See Marigolds: Care and Growing Guide for the full picture on why they are worth planting even beyond their deer resistance.

Perennials to build a deer-resistant border

A perennial border designed around deer-resistant species provides color from spring through fall without replanting. The key is layering plants with different bloom times.

Spring (April–June):

• Daffodils and ornamental alliums: Both are A-rated by Rutgers and provide reliable spring color. Plant in fall for spring bloom.
• Bleeding heart: Toxic to deer, produces beautiful arching sprays of pink or white flowers in April–May. Goes dormant by July in hot climates.
• Baptisia (false indigo): Deer avoid it. Indigo-blue spikes bloom in May, and the plant becomes a substantial 4-foot mound by year 3.

Summer (June–August):

• Lavender: The gold standard. Deer will not eat it. Full sun, well-drained soil, Zones 5–9.
• Catmint: Blooms from May through frost with cutting back. Deer-resistant even in Zone 6b suburbs with heavy deer pressure.
• Coneflower (Echinacea): Moderately resistant. Deer eat the spring growth aggressively but leave established plants mostly alone by June. Worth protecting in spring with a temporary fence or repellent.
• Russian sage: A-rated by Rutgers. Grows 4–5 feet tall with silver stems and lavender-blue flowers. Virtually indestructible in Zones 4–9.

Late summer and fall (August–October):

• Sedum: The thick fleshy leaves are unpalatable. ‘Autumn Joy’ produces flat pink flower heads from August through October.
• Aster: Native asters are moderately resistant. Deer nibble them occasionally but rarely cause serious damage to established plants.
• Ornamental grasses: Deer almost never eat ornamental grasses. Karl Foerster, Switchgrass, and Little Bluestem all provide late-season interest with virtually no deer pressure.

For building a full-season perennial planting, Full Sun Perennials provides a comparison table of 20 species with honest deer-resistance ratings based on field observation.

The plants that are NOT deer resistant despite popular claims

Garden marketing is full of exaggerated deer-resistance claims. These are plants frequently sold as “deer resistant” that consistently get eaten.

Hostas: Deer love hostas. If you live in deer country, hostas without protection will be eaten to the ground. The few cultivars sold as “deer resistant” are only slightly less palatable — not a practical solution.

Impatiens: Eaten readily. Standard impatiens in shade beds are a favorite deer snack in suburban gardens across the eastern US.

Black-eyed Susan: Moderately resistant at best. Young plants get eaten in spring. Established plants survive because deer cannot keep up with how fast the foliage regrows, not because they don’t like it.

Hydrangeas: Not resistant. Deer eat hydrangea foliage and flower buds aggressively, particularly in late summer when other food sources are declining. For deer country, choose a different flowering shrub and protect any hydrangeas you do plant. Hydrangea Care: Care and Growing Guide covers protection strategies and the most deer-resistant hydrangea species.

Day lilies: Deer eat them routinely. They are sometimes listed as resistant because established clumps regrow aggressively after browsing — not because deer avoid them.

Deer damage by season and how to respond

Deer pressure is not constant through the year. Understanding the seasons of damage helps you target protection efforts.

Repellent sprays that work best contain predator urine, putrescent egg solids, or essential oils. Bobbex, Liquid Fence, and Plantskydd all have documented effectiveness in university trials. Reapply every 2–4 weeks and after rain. No spray works if applied only once and forgotten.

Physical barriers are the only 100% reliable deer deterrent. A 7–8 foot fence stops deer from jumping. A double fence — two parallel 4-foot fences 3 feet apart — is cheaper and also effective because deer are reluctant to jump into a narrow enclosed space.

Combining deer resistance with other garden goals

Many gardeners in deer country feel they must choose between attractive plants and functional ones. That trade-off does not actually exist if you start with a deer-resistant palette.

Lavender, catmint, Russian sage, agastache, salvia, and native ornamental grasses are:

• Drought-tolerant once established
• Strongly deer-resistant
• High-value for pollinators

For attracting pollinators to your garden, the deer-resistant list overlaps almost perfectly with the best pollinator plants. Strong scent — the trait that deer avoid — is the same trait that guides bees and butterflies to flowers.

Peonies present one slight complexity: they are deer-resistant (rated B by Rutgers — Seldom Severely Damaged) and spectacularly beautiful, but require specific planting to thrive. See Peonies: Care and Growing Guide for planting depth rules and zone selection.

For zone-specific information on which plants perform best in your region, see Planting Zones: A US Guide to identify your hardiness zone and match plants to your climate before buying.

Regional differences in deer behavior

Deer behavior and plant palatability vary by region. What is highly resistant in rural Vermont may get eaten in suburban New Jersey where 30 deer compete for limited food.

High-pressure regions (Suburban Northeast, Pacific Northwest suburbs, Suburbs near forests in the Southeast): Assume anything rated B or lower will get eaten. Build your entire border around A-rated plants. Use physical barriers for any prized specimen that is not A-rated.

Moderate-pressure regions (Midwest suburbs, Mountain West suburbs): B-rated plants like coneflower, black-eyed Susan, and ornamental sage generally survive. Apply repellent in spring and after rain.

Low-pressure regions (Urban gardens, desert Southwest): Deer pressure is low enough that even C-rated plants survive most years. Focus on other garden priorities.

The Rutgers deer-resistance database (available through the New Jersey Agricultural Experiment Station website) provides the most complete state-by-state reference for plant resistance ratings and is worth bookmarking for any gardener in deer country.