Updated on September 8, 2026. Ratings below are university browse lists, not a seed-packet promise. Confirm the current lists on the linked extension pages before you treat a row of Benary’s Giants as deer-proof.
Usually not. Rabbits first. Garden zinnias sit on the “seldom damaged” side of the land-grant deer lists. They are not hosta candy, and they are not a fence. Iowa State Extension, compiling Rutgers, Cornell, and Michigan State surveys (last reviewed July 2022), files Zinnia spp. as annuals seldom severely damaged — the same column as marigolds and salvia, two columns safer than petunias, and a world away from hostas. NC State’s plant toolbox says deer do not find common zinnia appetizing. Oklahoma State HLA-6427 lists both Zinnia elegans and Zinnia angustifolia among annuals rarely damaged.
The catch that is unique to this plant: Iowa’s rabbit list puts Zinnia elegans with annuals moderately to severely damaged. A chewed zinnia bed is often cottontails at six inches, not a standing white-tailed deer. For the rest of the yard, start at the deer-proof garden hub and what do deer eat.
| Plant | Garden zinnia. Common cut-flower type is Zinnia elegans (Mexico; named for Johann Gottfried Zinn). Narrowleaf is Z. angustifolia. Profusion is the hybrid of those two. Creeping zinnia on some lists is a different genus: Sanvitalia procumbens. |
|---|---|
| Verdict | Deer seldom eat them. Protect seedlings in a high-density suburb. Fence rabbits first. Powdery mildew, not browse, is what usually ruins the row by August. |
| University rating | Iowa State: seldom severely damaged (annuals). Rutgers, as cited by Ohio State Extension (Sept. 6, 2024): seldom severely damaged — one step better than dahlia’s C. Oklahoma HLA-6427: rarely damaged (Z. elegans and Z. angustifolia). NC State: deer resistant; coarse, hairy, rough leaves. |
| What they eat, when | Tender transplants and first true leaves in May–June, then flower heads if a hungry doe is already on the bed. Dawn and dusk raids match deer feeding times. Frost kills the plant; there is no crown to browse in winter. |
| Where it is worst | Unfenced Thumbelina and Profusion mounds at rabbit height. High-density New Jersey, Pennsylvania, and Ohio suburbs where the same herd already takes hostas. Cutting-garden ‘State Fair’ plants 3–4 ft tall sit entirely inside a standing deer’s browse zone — still usually skipped because of the leaf, not the height. |
| Official plant sheet | NC State — Zinnia elegans · Minnesota Extension — Zinnia (reviewed 2026) · Iowa State deer-damage list |
What a garden zinnia actually is
NC State: an erect Mexican annual in the aster family, named for Johann Gottfried Zinn. Leaves are opposite, sessile, and clasping, with hairs; larger ones run 2 to 4 inches across with five palmate veins. That coarse, sandpapery feel is the browse trait, not a marigold-style odor. The toolbox tags it deer resistant. Height there is 6 inches to 3 feet; named cultivars go shorter and taller.
Minnesota’s 2026 culture sheet: full sun 8+ hours, pH 5.5 to 7.5, well-drained soil. Direct-seed at 70 °F, ¼ inch deep; transplants at 60 °F; space 8 to 24 inches. They do better in beds than pots. Indoor seed needs darkness to germinate (4 to 8 days at 70–75 °F). Highly susceptible to powdery mildew if foliage stays wet. WCROC trials at Morris rated Double Zahara, Magellan, Preciosa, and Holi good to excellent.
Do not mix the packets:
- Common zinnia (Z. elegans). The cut-flower plant. NC State: ‘State Fair’ to 4 feet with 5-inch heads; ‘Benary’s Giants’ to 4 feet; ‘Thumbelina’ 4–6 inches; ‘Oklahoma’ about 30–36 inches with 2-inch flowers. Iowa’s rabbit list is this species.
- Narrowleaf zinnia (Z. angustifolia). Smaller daisy flowers, cleaner foliage. Illinois Extension and Clemson both point to this parent for powdery-mildew resistance. Oklahoma files it separately as rarely damaged by deer.
- Profusion (Z. angustifolia × Z. elegans). NC State: dense mounds to 18 inches, heat and humidity tolerant, new flowers above old so no deadheading. Not a different deer rating. A shorter plant in the browse zone.
- Creeping zinnia (Sanvitalia procumbens). Different genus. Oklahoma lists it with rarely damaged annuals. If the tag says Sanvitalia, you did not buy a zinnia.
What they eat, and when
When a deer takes a zinnia, it is usually the new transplant or the open head, not a mature mound of rough leaves. Minnesota: fat reserves are lowest when you set out six-packs, and irrigated tissue is a water source. A ‘Thumbelina’ at 4–6 inches never leaves rabbit height. A 4-foot ‘State Fair’ sits in the browse zone; NC State still says deer do not find it appetizing. Preference, not a lock. They are tender annuals. Frost ends them. No hosta-style crown. Stubs in July means re-seed. A few nipped heads are cosmetic — UMN says deadheading those anyway.
The late-summer problem is usually white film, not missing stems. Clemson HGIC names powdery mildew on zinnia as Golovinomyces cichoracearum. Illinois Extension (June 23, 2025): choose narrowleaf, Zahara (Zinnia marylandica), or Profusion in heat and humidity. White powder is not browse.
Deer damage vs rabbits vs beetles vs mildew
Minnesota’s zinnia diagnostic page is built for this exact confusion. Deer: all or large sections of leaves missing, the remaining stem ragged, not a clean cut; hoof prints and pellet groups; damage overnight. Rabbits: the same missing leaves, but a clean 45-degree cut; rabbit droppings. A Hennepin County Ask Extension case (July 2024) on alley zinnias with leaves stripped and stems lopped was diagnosed as rabbits, not insects.
Iowa State puts Zinnia elegans on the rabbit “moderately to severely damaged” annuals list with impatiens, petunia, pansy, and marigold. The same genus is “seldom damaged” on the deer list. That split is the page. Hardware cloth stops rabbits. It does not stop a deer that reaches over it. Rabbit tactics: how to keep rabbits out of the garden.
Japanese beetles, aphids, and mites chew holes and leave the plant standing — NC State’s pest list, not a fence. Slugs leave slime. Look at the stems before you blame deer.
Where the ratings disagree
Rutgers built its list in northern New Jersey suburbs. Ohio State Extension, answering a Gambier, Ohio gardener on September 6, 2024, cited that list: zinnias “seldom severely damaged,” dahlias “occasionally severely damaged.” Iowa keeps zinnias in seldom-damaged annuals. Oklahoma HLA-6427 is kinder: rarely damaged for both common species.
UGA Circular 985’s “annuals deer rarely browse” table names marigold, annual salvia, snapdragon, lantana, and verbena. It does not name zinnia in that column. Do not paste a Georgia C985 printout onto a zinnia packet and call it proof. Pressure, not chemistry, still rules. Zinnias have no lycorine like daffodils and no lavender-level scent. The defense is the rough, hairy leaf. A starved suburban doe with fawns will still sample a freshly watered six-pack. If your street already loses hostas and dahlias, cage the zinnias until they lignify.
Do not use the deer-resistant annuals hub’s sunflower mention as a twin. Iowa files annual sunflower as frequently severely damaged. Zinnias and sunflowers share a family, not a rating. See do deer eat sunflowers.
What works
Rub a leaf at the nursery. If it feels like sandpaper, you have the trait the lists are using. Full sun and air also keep mildew off — the real August failure. Minnesota: water the base, space 8 to 24 inches, pinch if stalks cannot hold the heads.
In a Rutgers-level suburb, exclusion is still the near-certain fix. Minnesota’s woven-wire standard is at least 8 feet. A 4-foot picket around a 3-foot zinnia is theater — how high a deer can jump. A short cutting row can take a welded-wire cylinder taller than the bloom. For Thumbelina and Profusion, hardware cloth at the soil line matters more than an 8-foot fence.
Find 8-foot deer fence on Amazon Amazon associate tag checkcheck-20. We may earn a commission.
Find hardware cloth on Amazon Amazon associate tag checkcheck-20. We may earn a commission.
Put cutting types against the house or inside a fenced vegetable garden. Start egg-based or hot-pepper repellents on the first true leaves if the herd already walks the bed, rotate formulas, and respray after rain. Once a dusk loop is established, spray alone rarely holds. Bottles: organic deer repellent. Whole-yard tactics: how to keep deer out of garden beds.
Find deer repellent on Amazon Amazon associate tag checkcheck-20. We may earn a commission.
What does not work
A tag that says “deer-proof zinnia.” No sourced university list rates Profusion, Zahara, Queeny Lime, or Benary’s Giant as safer from deer than the genus. Disease resistance is not browse resistance. Surrounding zinnias with sage or lavender helps only if the candy in the same bed is also caged. A ring of zinnias will not hide hostas. Dryer sheets, soap, hair, and a single motion light buy days. Feeding the herd to “distract” them trains them to your property — what to feed backyard deer is the page that says don’t.
UMN: some cut-flower cultivars have had pollen and nectar bred out. That does not change the deer rating. It does change the butterfly claim on the packet.
Three substitutes that already earn their keep
If you want summer color without feeding the herd, these are the annuals Iowa files in the same or safer column:
- Marigolds — Iowa seldom damaged. Strong scent, full sun. Iowa also says they do not repel deer from other plants. Color, not a perimeter fence.
- Salvia — same Iowa “seldom damaged” annual column. Spikes instead of a daisy head. Minnesota lists blue salvia with the resistant annuals.
- Geraniums (bedding Pelargonium) — fuzzy leaf and sharp smell. Minnesota’s resistant table; use them in pots on a deck deer will not climb.
Daffodils cover spring. Lavender and peonies cover the perennial slot. Longer menus: deer-resistant annuals, what flowers deer do not eat, and deer-resistant perennials.
Related plants in the same yard
If deer found the zinnias, they have already walked the sunny strip. Hostas go first in shade. Dahlias sit one Rutgers step worse and bloom in the same window. Sunflowers in that strip are a frequent target, not a companion. Petunias and pansies are the Iowa “occasionally damaged” annuals that pull the same dusk loop. Protect or replace the whole border; do not cage one Profusion and leave a hosta bed next to it. Layout: how to keep deer from eating plants.
FAQ
Will zinnias grow back after deer eat them?
Usually no, if the plant is eaten to stubs. They are tender annuals with no hosta-style crown. Light browse on a few heads is cosmetic; Minnesota says deadheading those anyway promotes new flowers. A seedling eaten to the ground in June should be re-seeded, not waited on.
Do rabbits eat zinnias even if deer don’t?
Yes. That is the usual damage. Iowa State lists Zinnia elegans among annuals moderately to severely damaged by rabbits. Minnesota’s zinnia page: clean 45-degree cuts at ground level are rabbits. Hardware cloth, not more zinnias. See how to keep rabbits from eating plants.
Are Profusion or narrowleaf zinnias more deer-proof?
No sourced university deer list says so. Narrowleaf and Profusion earn their keep on mildew and heat, not on browse chemistry. They are also shorter, which puts every leaf in the rabbit zone. Protect the plant, not the series name.
Can I skip a fence if I only have “a few” deer?
Light pressure may cost a transplant and still leave a row. Once a dusk loop starts, it continues. Pellets in the mulch: cage it. Clean low cuts: rabbit fence first.
Sources
- Iowa State Extension — Susceptibility of Plants to Deer Damage (Zinnia spp.: seldom severely damaged; last reviewed July 2022)
- Iowa State — Susceptibility of Plants to Rabbit Damage (Zinnia elegans among annuals moderately to severely damaged)
- Rutgers NJAES — Landscape plants rated by deer resistance
- Ohio State Extension / Ask Extension — Deer, Dahlias, and Zinnias (Sept. 6, 2024; cites Rutgers: zinnias seldom severely damaged)
- NC State Extension Gardener Plant Toolbox — Zinnia elegans (deer resistant; coarse, hairy, rough leaves; Mexico; cultivars)
- University of Minnesota Extension — Zinnia (reviewed 2026; 70 °F seed soil; 8+ hours sun; pH 5.5–7.5; powdery mildew; WCROC trials)
- UMN — Zinnia leaves chewed: rabbit vs deer vs slug
- UMN — White-tailed deer damage (8-foot fence)
- Oklahoma State HLA-6427 — Ornamental and garden plants: controlling deer damage (Z. elegans and Z. angustifolia: rarely damaged annuals)
- UGA Extension Circular 985 — Deer-tolerant ornamental plants (annuals-rarely-browse table; zinnia not named in that column)
- Clemson HGIC — Zinnia insect pests and diseases (powdery mildew Golovinomyces cichoracearum)
- Illinois Extension — Prevent, protect zinnias from powdery mildew (June 23, 2025; narrowleaf, Zahara, Profusion)
- UMN Ask Extension — Damage to zinnias (July 11, 2024; rabbit diagnosis, Hennepin County)
This is a child of the deer-proof garden guide. Wild browse, not landscape annuals, is on what deer eat.
