Deer-Resistant Perennials: What Actually Works in Suburban Long Island

No perennial is deer-proof. The most reliably ignored plants in high-pressure areas are aromatic herbs, fuzzy foliage, toxic plants, and the alliums. Hostas, daylilies, and tulips are deer candy.

—- title: "Deer resistant perennials" slug: deer-resistant-perennials hub: care category: "Plant list" description: "'Deer-resistant' is a marketing term. 'Deer-proof' doesn't exist. The honest framing is one I learned from the Rutgers Landscape Plants Rated by Deer Resistance publication, which has been the." date: 2026-06-10 updated: 2026-06-10 author: "Thomas A." reading_time: 11 zones_min: 3 zones_max: 9 —-

"Deer-resistant" is a marketing term. "Deer-proof" doesn't exist. The honest framing is one I learned from the Rutgers Landscape Plants Rated by Deer Resistance publication, which has been the most-used reference on this question in the mid-Atlantic for over twenty years: plants are rated A through D, where A is rarely damaged and D is frequently severely damaged, and even the As get eaten when deer are hungry enough.

I garden in Melville, on Long Island. Deer pressure here is moderate-to-high — there's an active herd that moves through my neighborhood every winter and early spring, and my front bed has been a long experiment in what they touch and what they don't. This guide is the intersection of what Rutgers and Penn State Extension have documented and what I have actually watched happen in my own yard.

The Rutgers rating system

The Rutgers New Jersey Agricultural Experiment Station's Landscape Plants Rated by Deer Resistance (publication E271) is the most rigorous deer-resistance reference for the mid-Atlantic. It assigns each plant a letter rating:

• A = Rarely damaged
• B = Seldom severely damaged
• C = Occasionally severely damaged
• D = Frequently severely damaged

I'll use these ratings throughout this guide. They reflect data collected at multiple New Jersey sites with varying deer pressure — your local mileage will vary, but the relative rankings are reliable.

Rarely damaged (Rutgers A-rated) perennials

These are the plants deer pass over even in heavy-pressure areas, at least until winter starvation drives them to eat anything green. In my yard, all of these have survived 4+ winters with zero or minimal deer damage.

Aromatic foliage — the biggest category

Deer avoid plants with strong essential-oil aromas. The mechanism is plausibly the volatile compounds that deer find unpalatable, especially when other less-aromatic food is available. Per Penn State Extension's deer and rabbit resistant plant lists, this group includes:

• **Lavender (Lavandula angustifolia)** — Rutgers A. Full sun, well-drained soil, hates wet feet. English lavender is hardier than French/Spanish types. Zones 5–9.
• **Catmint (Nepeta spp.)** — Rutgers A. 'Walker's Low' is the standard cultivar. Long bloom period, drought-tolerant, deer-ignored. Zones 4–8.
• **Russian sage (Perovskia atriplicifolia)** — Rutgers A. 3–4 feet tall, silvery foliage, blue spikes August–September. Full sun, drought-tolerant. Zones 4–9.
• **Salvia (Salvia nemorosa, S. sylvestris)** — Rutgers A for most ornamental species. 'May Night', 'Caradonna', 'East Friesland' all excellent. Zones 4–8.
• **Lamb's ears (Stachys byzantina)** — Rutgers A. Fuzzy silver foliage that deer (and rabbits) avoid. Per Penn State Extension's rabbit-resistant list, also rated deer and rabbit resistant. Zones 4–8.
• **Yarrow (Achillea millefolium and hybrids)** — Rutgers A. Long bloom, drought-tolerant, deer ignore. 'Moonshine' (pale yellow), 'Paprika' (red) are reliable. Zones 3–9.
• **Thyme (Thymus spp.)** — Rutgers A. Creeping and upright forms. Both deer and rabbit resistant per Penn State Extension.
• **Oregano (Origanum spp.)** — Rutgers A. Including ornamental forms like 'Kent Beauty'.
• **Sage (Salvia officinalis and others)** — Rutgers A.

Bulbs and alliums

• **Daffodil (Narcissus)** — Rutgers A. Daffodils contain lycorine, an alkaloid that's toxic and bitter to deer and rodents. The reliably deer-proof spring bulb. Zones 3–9.
• **Ornamental onions (Allium spp.)** — Rutgers A. Including the giant globe alliums (A. giganteum, 'Globemaster') and the smaller chive-types. Per Penn State Extension's rabbit-resistant list, deer and rabbit resistant.
• **Grape hyacinth (Muscari)** — Per Penn State Extension, deer-resistant.

Toxic plants

Deer learn to avoid plants that have made them sick. These plants are toxic to varying degrees and reliably ignored:

• **Foxglove (Digitalis purpurea)** — Rutgers A. Contains cardiac glycosides. Beautiful spires, biennial. Zones 4–9. Per Penn State Extension's rabbit list, also rabbit-resistant.
• **Monkshood (Aconitum)** — Rutgers A. Highly toxic to humans and deer alike — handle with gloves. Late-season blue blooms. Zones 3–7.
• **Hellebore (Helleborus spp.)** — Rutgers A. Lenten rose blooms in late winter before deer pressure peaks. Toxic alkaloids in the foliage. Zones 4–9.
• **Bleeding heart (Dicentra spectabilis, D. eximia)** — Rutgers A–B depending on species. Contains alkaloids. Per Penn State Extension, both species on the rabbit-resistant list.

Fuzzy or prickly foliage

• **Lady's mantle (Alchemilla mollis)** — Rutgers A. Soft, hairy leaves deer don't bother with.
• **Globe thistle (Echinops)** — Rutgers A. Spiny foliage and seed heads.
• **Sea holly (Eryngium)** — Rutgers A. Architectural blue spiny plant. Drought-tolerant.

Ornamental grasses (most species)

Per the New Jersey deer-resistance work, most ornamental grasses fall in the A–B range. Notable A-rated:

• **Miscanthus (Miscanthus sinensis)** — though it can be locally invasive in some climates.
• **Switchgrass (Panicum virgatum)** — excellent native option.
• **Little bluestem (Schizachyrium scoparium)** — drought-tolerant native.
• **Feather reed grass (Calamagrostis ×acutiflora 'Karl Foerster')** — Rutgers A.

Ferns

Per multiple extension lists, including Penn State Extension, ferns are reliably deer-resistant:

• **Christmas fern (Polystichum acrostichoides)** — evergreen native.
• **Lady fern (Athyrium filix-femina)** — deciduous.
• **Japanese painted fern (Athyrium niponicum 'Pictum')** — silver-purple foliage.
• **Maidenhair fern (Adiantum pedatum)** — delicate native, prefers moist shade.

Seldom severely damaged (Rutgers B-rated) perennials

These take occasional browsing but generally come through without significant damage. Worth planting in moderate-pressure areas.

• **Peony (Paeonia)** — Rutgers B. Tree peonies are more reliably ignored than herbaceous; per NC State Extension, tree peonies are "shunned by deer." Spring shoots are occasionally browsed before mature foliage develops resistance.
• **Astilbe (Astilbe)** — Rutgers B. Per Penn State Extension's rabbit-resistant list, also rabbit-resistant.
• **Black-eyed Susan (Rudbeckia spp.)** — Rutgers B. Occasionally browsed but generally left alone.
• **Coneflower (Echinacea purpurea)** — Rutgers B.
• Coreopsis — Rutgers B.
• Iris (bearded and Siberian) — Rutgers B. Per Penn State Extension's rabbit-resistant list, also resistant.
• Liatris / blazing star — Rutgers B.
• Lamium / dead nettle — Rutgers B, per Penn State Extension's rabbit-resistant list, also resistant.
• **Goldenrod (Solidago)** — Rutgers B.
• **Bee balm (Monarda)** — Rutgers B. Aromatic but occasionally browsed.

What deer actually eat (Rutgers C and D)

The other half of the equation — what to either fence, repellent-spray, or avoid planting:

Frequently severely damaged (Rutgers D):

• Hostas — every cultivar. Hosta is the textbook example of deer candy.
• **Daylilies (Hemerocallis)** — deer eat the buds and flowers preferentially. Per multiple extension reports, daylilies are among the most-browsed perennials. Per Penn State Extension's rabbit list, Hemerocallis 'Stella d'Oro' specifically is included on the rabbit-resistant list, but this is a different question from deer resistance.
• Tulips — deer eat the buds just as they're about to open. Heartbreaking and consistent.
• **Lilies (Lilium)** — similar to tulips, deer eat the buds.
• English ivy — not a perennial in the typical sense but worth noting as heavily browsed.
• Pansies, violas — heavily eaten.

Occasionally severely damaged (Rutgers C):

• **Phlox (Phlox paniculata)** — sometimes left alone, sometimes destroyed.
• **Coral bells (Heuchera)** — variable. Newer cultivars with intense purple/burgundy foliage seem more browsed than green-leaved types.
• Hydrangeas — flower buds and tender spring growth eaten in many gardens. Mature stems usually fine.
• Roses — heavily browsed in winter and early spring when other food is scarce.

My own Long Island observations

This is anecdotal — local conditions matter enormously — but in my Melville yard with moderate-to-high deer pressure:

• Zero damage in 4 years: Russian sage, catmint 'Walker's Low', lavender, daffodils, ornamental alliums (especially 'Purple Sensation'), lamb's ears, yarrow, foxglove, sedum 'Autumn Joy'.
• Occasional minor browsing, no real damage: peony, iris, black-eyed Susan, coneflower, ornamental grasses (switchgrass, little bluestem, miscanthus).
• Browsed heavily despite my hopes: hostas (front yard hostas eaten to the crown twice; back yard hostas behind a 6-foot fence are fine), daylilies (buds eaten before they can open in most years), tulips (gave up after year two — switched to daffodils).
• Variable year to year: hydrangeas — the panicle hydrangeas (Limelight, Vanilla Strawberry) are largely ignored, the mophead hydrangeas have flower buds eaten in some winters.

This roughly tracks the Rutgers ratings. The two consistent surprises in my yard were how badly tulips got hit (worse than expected for a bulb) and how reliably the aromatic herbs were ignored (better than expected, even by hungry late-winter deer).

What actually works when deer pressure is high

Tier 1 — Reliable:

• A 7+ foot deer fence around the entire garden. The only fully reliable solution. Expensive and visually heavy, but effective.
• Cages around individual plants. Bird netting or wire mesh over hostas, tulips, and other deer favorites. Ugly during the growing season but works.

Tier 2 — Effective with diligent application:

• Repellent sprays rotated and reapplied weekly. The standards are Liquid Fence deer repellent, Bobbex, Plantskydd deer repellent, and homemade rotten-egg/milk spray. Per Rutgers' deer management research, taste and odor repellents are effective but require diligent reapplication after rain and every 1–2 weeks regardless. Rotation matters — deer habituate to single-product use.
• Plant choice — switching to A-rated plants in the most deer-vulnerable beds.

Tier 3 — Unreliable / placebo:

• Human hair, soap bars, predator urine pellets, motion-activated sprinklers, fishing line at "deer height," radio left on at night. Per Rutgers' guidance, many of these have anecdotal support but limited evidence in controlled trials. Some work briefly until deer habituate.

A starter "deer-resistant" border plan

If you're starting fresh and want a low-effort, deer-tolerant perennial bed, the following plant list will give you four-season interest with minimal browsing in most mid-Atlantic suburban yards:

Spring: Daffodils (drifts), ornamental alliums (Globemaster, Purple Sensation), bleeding heart, hellebore.

Early summer: Peony (B-rated, occasional spring browse on shoots), bearded iris (B-rated), catmint 'Walker's Low' (A-rated), lady's mantle.

Mid-summer: Russian sage, salvia 'May Night', lavender, yarrow 'Moonshine', coneflower (B), black-eyed Susan (B).

Late summer / fall: Sedum 'Autumn Joy' (Rutgers A), ornamental grasses (switchgrass, little bluestem, miscanthus), goldenrod (B).

Winter structure: Ornamental grasses left standing, hellebore foliage, evergreen ferns (Christmas fern, autumn fern).

Every plant on this list is Rutgers A or B, available at most regional nurseries, and well-documented in the Rutgers and Penn State Extension publications.

A note on regional variation

The Rutgers ratings are based on New Jersey field observations. Deer in central New Jersey are not perfectly identical to deer in Vermont, Texas, or Oregon — local browse preferences vary based on what alternative food is available, what plants deer have grown up eating, and population density.

The relative rankings are robust — lavender will be more deer-resistant than hosta everywhere — but specific A-ratings may not hold up in a deer population that has learned to eat plants outside their normal preference. The Penn State Extension Master Gardener publication on rabbit-resistant plants and the Rutgers deer publication should be your starting points if you garden in the mid-Atlantic; OSU Extension's Central Oregon deer-resistant list is the analog for the West.

Recommended gear: Best deer repellent: Liquid Fence vs Bobbex vs Plantskydd — our buyer's guide covering picks for every budget, ranked by Extension publication consensus and personal use.

Frequently asked

Are there any deer-proof perennials?

No. Per the Rutgers Landscape Plants Rated by Deer Resistance publication, every plant on the "rarely damaged" list is rated A — not "deer-proof" — because in heavy-pressure areas or during winter starvation, deer will eat plants they normally ignore. The most reliable deer-resistant categories are aromatic-foliage herbs (lavender, catmint, Russian sage, salvia, thyme), toxic plants (foxglove, monkshood, hellebore), fuzzy-foliage plants (lamb's ears, mullein), and the alliums (ornamental onions, daffodils). Even within these categories, individual deer learn to eat what they grew up eating, so local conditions matter.

What do deer hate the most?

Strong aromatic herbs and toxic plants are the most reliably ignored. Per Rutgers and Penn State Extension lists, the consistently A-rated perennials are lavender, catmint, Russian sage, ornamental salvia, lamb's ears, yarrow, foxglove, monkshood, hellebore, daffodils, and ornamental alliums. None of these are deer-proof, but in moderate-pressure areas they go years without significant damage. The "smell-test" rule has predictive power — if a plant smells strongly when you brush against it (sage, lavender, catmint), deer usually avoid it.

Do deer eat hostas?

Yes, consistently. Hostas are among the most deer-browsed garden plants in the eastern U.S. Per multiple extension references and the Rutgers deer-resistance work, hostas are rated D — frequently severely damaged. In high deer-pressure suburbs, hostas planted in unprotected beds are eaten to the crown, often overnight. The only reliable protection is fencing or consistent repellent application. If deer pressure in your yard is significant, switching from hostas to Epimedium, ferns, Pulmonaria, or Solomon's seal for shade plantings is realistic — all are A-rated for deer resistance.

Are deer repellents actually effective?

Yes, with caveats, per Rutgers' deer management research. Taste-based repellents (rotten egg, hot pepper, putrescent egg solids) and odor-based repellents (predator urine, garlic, sulfur compounds) both work — but require reapplication every 1–2 weeks and after rain, and rotation between products to prevent deer habituation. The leading commercial products (Liquid Fence deer repellent, Plantskydd deer repellent, Bobbex) all have evidence behind them. Repellents are effective for small gardens and individual plant protection; for large landscapes with high deer pressure, fencing is more cost-effective long-term than repellents applied weekly across the entire property.