Native plants · Maryland

Native plants of Caroline County

142 plant species are recorded as native to Maryland in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Caroline County by USDA PLANTS. 47 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Caroline County, Maryland

Native species
142 Typical Maryland county: 184 (median of 24 counties)
Garden-ready natives
47 Typical Maryland county: 61
Share by type (all 142 native species)
Percent of the 142 native species in each growth type
Tree 3% (4)
Shrub 6% (8)
Wildflower (forb) 29% (41)
Grass or grass-like 55% (78)
Vine 4% (5)
Fern 4% (6)

Grasses and grass-like plants make up the largest share of the native list (55%), followed by wildflowers (29%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zone 7b (2023 map).

The native plant list

Cold hardiness is estimated from each plant’s PLANTS minimum temperature. How we estimate it.

Garden-ready natives 47

Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.

Garden-ready native plants of Caroline County, Maryland
PlantType HeightLight Water useHardy to
awlfruit sedge Carex stipata Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
blister sedge Carex vesicaria Grass or grass-like 3 ft Sun–part shade High Zone 3b
blunt broom sedge Carex tribuloides Grass or grass-like 3 ft Shade-tolerant Medium Zone 4b
bristlystalked sedge Carex leptalea Grass or grass-like 1.5 ft Shade-tolerant High Zone 4a
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
Canada goldenrod Solidago altissima Wildflower (forb) 5 ft Sun–part shade Medium Zone 4b
cat greenbrier Smilax glauca Vine 1 ft Shade-tolerant Medium Zone 6a
cattail sedge Carex typhina Grass or grass-like 2 ft Shade-tolerant High Zone 4b
common reed Phragmites australis Shrub 13 ft Sun Medium Zone 3b
coppery St. Johnswort Hypericum denticulatum Wildflower (forb) 2 ft Sun–part shade Medium Zone 7b
cypress swamp sedge Carex joorii Grass or grass-like 4.5 ft Shade-tolerant High Zone 7a
deerberry Vaccinium stamineum Shrub 16 ft Shade-tolerant Low Zone 5a
eastern narrowleaf sedge Carex amphibola Grass or grass-like 2 ft Shade-tolerant Medium Zone 7a
eastern straw sedge Carex straminea Grass or grass-like 3 ft Shade-tolerant High Zone 4b
eastern woodland sedge Carex blanda Grass or grass-like 2 ft Shade-tolerant High Zone 4b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
fringed sedge Carex crinita Grass or grass-like 5.2 ft Sun–part shade Medium Zone 4a
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
gray goldenrod Solidago nemoralis Wildflower (forb) 2 ft Sun Medium Zone 4a
greater bladder sedge Carex intumescens Grass or grass-like 3 ft Shade-tolerant High Zone 4a
greenwhite sedge Carex albolutescens Grass or grass-like 3.9 ft Sun–part shade Medium Zone 3b
highbush blueberry Vaccinium corymbosum Shrub 12 ft Shade-tolerant Medium Zone 4a
hop sedge Carex lupulina Grass or grass-like 4.3 ft Sun–part shade Medium Zone 3b
laurel greenbrier Smilax laurifolia Vine 1 ft Shade-tolerant High Zone 6b
loblolly pine Pinus taeda Tree 100 ft Sun High Zone 6b
longhair sedge Carex comosa Grass or grass-like 5 ft Sun–part shade High Zone 4b
maleberry Lyonia ligustrina Shrub 9 ft Shade-tolerant — Zone 5a
oval-leaf sedge Carex cephalophora Grass or grass-like 2.6 ft Sun–part shade Low Zone 4a
pipsissewa Chimaphila umbellata Shrub 1.5 ft Shade-tolerant Low Zone 3b
pitch pine Pinus rigida Tree 80 ft Sun Low Zone 3a
possumhaw Ilex decidua Tree 33 ft Shade-tolerant Medium Zone 5b
prickly bog sedge Carex atlantica Grass or grass-like 1.8 ft Sun–part shade High Zone 5b
roundleaf greenbrier Smilax rotundifolia Vine 1 ft Sun Medium Zone 4a
seaside goldenrod Solidago sempervirens Wildflower (forb) 3.5 ft Sun Low Zone 6a
shallow sedge Carex lurida Grass or grass-like 3.2 ft Sun–part shade Medium Zone 4a
silvery sedge Carex canescens Grass or grass-like 2 ft Sun–part shade High Zone 4a
slender woodoats Chasmanthium laxum Grass or grass-like 3.3 ft Shade-tolerant Medium Zone 4a
swamp azalea Rhododendron viscosum Shrub 16 ft Shade-tolerant High Zone 5b
swamp doghobble Eubotrys racemosus Shrub 13 ft Shade-tolerant Medium Zone 4a
thicket sedge Carex abscondita Grass or grass-like 8 in Shade-tolerant High Zone 7a
upright sedge Carex stricta Grass or grass-like 4.2 ft Shade-tolerant Medium Zone 3b
valley redstem Ammannia coccinea Wildflower (forb) 1.6 ft Sun Medium Zone 3b
Virginia sweetspire Itea virginica Shrub 10 ft Shade-tolerant High Zone 5a
white doll's daisy Boltonia asteroides Wildflower (forb) 8 ft Sun–part shade Medium Zone 3b
white edge sedge Carex debilis Grass or grass-like 3 ft Shade-tolerant High Zone 6a
wingleaf primrose-willow Ludwigia decurrens Wildflower (forb) 4.5 ft Shade-tolerant High Zone 8a
wrinkleleaf goldenrod Solidago rugosa Wildflower (forb) 3.3 ft Sun–part shade Medium Zone 4a

Other native species recorded here 95

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

  • American featherfoil Hottonia inflata
  • anisescented goldenrod Solidago odora
  • bent sedge Carex styloflexa
  • black edge sedge Carex nigromarginata
  • blackfruit spikerush Eleocharis melanocarpa
  • blue sedge Carex glaucodea
  • bog fern Thelypteris simulata
  • broadwing sedge Carex alata
  • brome-like sedge Carex bromoides
  • brownish beaksedge Rhynchospora capitellata
  • button sedge Carex bullata
  • Carolina sedge Carex caroliniana
  • climbing dogbane Trachelospermum difforme
  • Clinton's woodfern Dryopteris clintoniana
  • clustered mille graines Oldenlandia uniflora
  • coastal plain blue-eyed grass Sisyrinchium fuscatum
  • Collins' sedge Carex collinsii
  • creeping burhead Echinodorus cordifolius
  • creeping mannagrass Glyceria acutiflora
  • creeping St. Johnswort Hypericum adpressum
  • dogtooth violet Erythronium americanum
  • downy goldenrod Solidago puberula
  • drumheads Polygala cruciata
  • early goldenrod Solidago juncea
  • eastern purple bladderwort Utricularia purpurea
  • eastern star sedge Carex radiata
  • Elliott's goldenrod Solidago latissimifolia
  • Engelmann's arrowhead Sagittaria engelmanniana
  • false hop sedge Carex lupuliformis
  • fescue sedge Carex festucacea
  • foxtail clubmoss Lycopodiella alopecuroides
  • fuzzy wuzzy sedge Carex hirsutella
  • giant sedge Carex gigantea
  • glomerate sedge Carex aggregata
  • Heller's rosette grass Dichanthelium oligosanthes
  • hirsute sedge Carex complanata
  • hyssopleaf hedgenettle Stachys aspera
  • Indian cucumber Medeola virginiana
  • Leavenworth's sedge Carex leavenworthii
  • lined sedge Carex striatula
  • Long's sedge Carex longii
  • longbeak beaksedge Rhynchospora scirpoides
  • Louisiana sedge Carex louisianica
  • lowland yellow loosestrife Lysimachia hybrida
  • midland sedge Carex mesochorea
  • mudbank crowngrass Paspalum dissectum
  • Muhlenberg's sedge Carex muehlenbergii
  • netted chainfern Woodwardia areolata
  • netted nutrush Scleria reticularis
  • northern long sedge Carex folliculata
  • Oklahoma sedge Carex oklahomensis
  • pale false mannagrass Torreyochloa pallida
  • parasol sedge Carex umbellata
  • Pennsylvania sedge Carex pensylvanica
  • pink sundew Drosera capillaris
  • prune-fruit sedge Carex corrugata
  • red milkweed Asclepias rubra
  • reflexed flatsedge Cyperus refractus
  • reflexed sedge Carex retroflexa
  • Reznicek's sedge Carex reznicekii
  • rosy sedge Carex rosea
  • rough dropseed Sporobolus clandestinus
  • shaved sedge Carex tonsa
  • showy goldenrod Solidago erecta
  • singlehead pussytoes Antennaria solitaria
  • slender blue iris Iris prismatica
  • slender woodland sedge Carex digitalis
  • small pondweed Potamogeton pusillus
  • Small's yelloweyed grass Xyris smalliana
  • smooth sawgrass Cladium mariscoides
  • smooth ticktrefoil Desmodium laevigatum
  • smoothsheath sedge Carex laevivaginata
  • southern bladderwort Utricularia juncea
  • southern bog clubmoss Lycopodiella appressa
  • spineless hornwort Ceratophyllum echinatum
  • spreading sedge Carex laxiculmis
  • spurred butterfly pea Centrosema virginianum
  • striped bladderwort Utricularia striata
  • striped gentian Gentiana villosa
  • sundial lupine Lupinus perennis
  • swamp wedgescale Sphenopholis pensylvanica
  • Swan's sedge Carex swanii
  • tall horned beaksedge Rhynchospora macrostachya
  • threadleaf false foxglove Agalinis setacea
  • three-angle spikerush Eleocharis tricostata
  • velvet sedge Carex vestita
  • Virginia chainfern Woodwardia virginica
  • Walter's sedge Carex striata
  • weak stellate sedge Carex seorsa
  • whip nutrush Scleria triglomerata
  • white colicroot Aletris farinosa
  • white fringed orchid Platanthera blephariglottis
  • whitetinge sedge Carex albicans
  • woolly sedge Carex pellita
  • yellowfruit sedge Carex annectens

Compared with Maryland

The typical county is the median of the 24 Maryland counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.

Native species counts, Caroline County and Maryland
MeasureCaroline CountyTypical countyStatewide
Native species 142 184 1,872
Garden-ready natives 47 61 635
Tree 4 — 174
Shrub 8 — 112
Wildflower (forb) 41 — 965
Grass or grass-like 78 — 463
Vine 5 — 72
Fern 6 — 86

Neighboring counties

Counties that share a ZIP code with Caroline County.

Look up another ZIP

Matches your ZIP to the county it mostly lies in, then lists the plants recorded as native to your state (Kew’s World Checklist and USDA PLANTS) and recorded in that county by USDA PLANTS.

Source & data date

Source
USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
Citation
USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
Data date
Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
Zones
USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
Scope
Caroline County (county FIPS 24011), Maryland. 142 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
Method
A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources

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