Native plants · Mississippi

Native plants of Humphreys County

92 plant species are recorded as native to Mississippi in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Humphreys County by USDA PLANTS. 46 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 1 more species is listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Humphreys County, Mississippi

Native species: 92 Typical Mississippi county: 241 (median of 82 counties)
Garden-ready natives: 46 Typical Mississippi county: 116
Share by type (all 92 native species): Percent of the 92 native species in each growth type

Tree 9% (8)
Shrub 1% (1)
Wildflower (forb) 60% (55)
Grass or grass-like 23% (21)
Vine 8% (7)

Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (23%).

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 8b (2023 map).

The native plant list

Garden-ready natives 46

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

Garden-ready native plants of Humphreys County, Mississippi
Plant	Type	Height	Light	Water use	Hardy to
American beautyberry Callicarpa americana	Shrub	6 ft	Sun–part shade	Low	Zone 6b
American pokeweed Phytolacca americana	Wildflower (forb)	7.3 ft	Shade-tolerant	Medium	Zone 4a
American snowbell Styrax americanus	Tree	10 ft	Sun–part shade	—	Zone 5b
black willow Salix nigra	Tree	100 ft	Sun	High	Zone 1b
blue mistflower Conoclinium coelestinum	Wildflower (forb)	3.2 ft	Shade-tolerant	Medium	Zone 6a
bog rush Juncus biflorus	Grass or grass-like	3.5 ft	Shade-tolerant	High	Zone 5b
broadleaf signalgrass Urochloa platyphylla	Grass or grass-like	3 ft	Sun	Medium	Zone 9a
calico aster Symphyotrichum lateriflorum	Wildflower (forb)	4 ft	Sun	Medium	Zone 4a
Canada germander Teucrium canadense	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
Canada goldenrod Solidago canadensis	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 3a
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
catbird grape Vitis palmata	Vine	30 ft	Sun–part shade	Medium	Zone 6a
climbing hempvine Mikania scandens	Vine	1 ft	Shade-tolerant	Medium	Zone 3b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
crimsoneyed rosemallow Hibiscus moscheutos	Wildflower (forb)	6.6 ft	Sun	High	Zone 6a
dwarf palmetto Sabal minor	Tree	9 ft	Shade-tolerant	High	Zone 8a
eastern swampprivet Forestiera acuminata	Tree	33 ft	Shade-tolerant	High	Zone 5b
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
halberdleaf rosemallow Hibiscus laevis	Wildflower (forb)	8 ft	Sun–part shade	High	Zone 6a
little barley Hordeum pusillum	Grass or grass-like	1.2 ft	Sun	Medium	Zone 10b
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
pignut hickory Carya glabra	Tree	80 ft	Sun–part shade	Medium	Zone 4a
possumhaw Ilex decidua	Tree	33 ft	Shade-tolerant	Medium	Zone 5b
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
pumpkin ash Fraxinus profunda	Tree	120 ft	Sun–part shade	High	Zone 5a
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
redroot flatsedge Cyperus erythrorhizos	Grass or grass-like	2.5 ft	Sun	Medium	Zone 11a
redtop panicgrass Panicum rigidulum	Grass or grass-like	3.3 ft	Sun	High	Zone 4a
rice cutgrass Leersia oryzoides	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
sharpwing monkeyflower Mimulus alatus	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 5a
shortbristle horned beaksedge Rhynchospora corniculata	Grass or grass-like	6.6 ft	Sun	Medium	Zone 6a
smallspike false nettle Boehmeria cylindrica	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
squarrose sedge Carex squarrosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
stalkless yellowcress Rorippa sessiliflora	Wildflower (forb)	1.5 ft	Sun–part shade	High	Zone 12b
sugarcane plumegrass Saccharum giganteum	Grass or grass-like	9.8 ft	Sun	Medium	Zone 4b
swamp smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
valley redstem Ammannia coccinea	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 3b
Virginia dayflower Commelina virginica	Wildflower (forb)	3.5 ft	Shade-tolerant	Medium	Zone 5b
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
water hickory Carya aquatica	Tree	85 ft	Sun–part shade	Medium	Zone 5b
white doll's daisy Boltonia asteroides	Wildflower (forb)	8 ft	Sun–part shade	Medium	Zone 3b
white panicle aster Symphyotrichum lanceolatum	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 3b
wingleaf primrose-willow Ludwigia decurrens	Wildflower (forb)	4.5 ft	Shade-tolerant	High	Zone 8a
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a

Other native species recorded here 46

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.

Amazon sprangletop Leptochloa panicoides
American buckwheat vine Brunnichia ovata
annual marsh elder Iva annua
aquatic milkweed Asclepias perennis
beaked cornsalad Valerianella radiata
blue skullcap Scutellaria lateriflora
Canada toadflax Nuttallanthus canadensis
Carolina canarygrass Phalaris caroliniana
Carolina coralbead Cocculus carolinus
Carolina geranium Geranium carolinianum
climbing dogbane Trachelospermum difforme
common threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
creeping eryngo Eryngium prostratum
cutleaf evening primrose Oenothera laciniata
cylindricfruit primrose-willow Ludwigia glandulosa
floating marshpennywort Hydrocotyle ranunculoides
gaping grass Steinchisma hians
giant ironweed Vernonia gigantea
green carpetweed Mollugo verticillata
Guadeloupe cucumber Melothria pendula
hairyfruit chervil Chaerophyllum tainturieri
herbwilliam Ptilimnium capillaceum
hogwort Croton capitatus
lanceleaf fogfruit Phyla lanceolata
largebracted plantain Plantago aristata
lateflowering thoroughwort Eupatorium serotinum
lizard's tail Saururus cernuus
low spearwort Ranunculus pusillus
marsh bristlegrass Setaria parviflora
Maryland meadowbeauty Rhexia mariana
mucronate sprangletop Leptochloa panicea
purple passionflower Passiflora incarnata
rosemallow Hibiscus lasiocarpos
small Venus' looking-glass Triodanis biflora
smooth false buttonweed Spermacoce glabra
southern annual saltmarsh aster Symphyotrichum divaricatum
spotted sandmat Chamaesyce maculata
spreading sandmat Chamaesyce humistrata
stout rush Juncus nodatus
Vahl's fimbry Fimbristylis vahlii
Virginia buttonweed Diodia virginiana
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
winged lythrum Lythrum alatum
yellowseed false pimpernel Lindernia dubia

Also listed as native and introduced here 1

PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.

annual ragweedAmbrosia artemisiifolia

Compared with Mississippi

The typical county is the median of the 82 Mississippi 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, Humphreys County and Mississippi
Measure	Humphreys County	Typical county	Statewide
Native species	92	241	1,473
Garden-ready natives	46	116	528
Tree	8	—	164
Shrub	1	—	63
Wildflower (forb)	55	—	770
Grass or grass-like	21	—	358
Vine	7	—	72
Fern	0	—	46

Neighboring counties

Counties that share a ZIP code with Humphreys County.

Holmes County, MS 130 garden-ready
Leflore County, MS 132 garden-ready
Sunflower County, MS 38 garden-ready
Yazoo County, MS 100 garden-ready

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: Humphreys County (county FIPS 28053), Mississippi. 92 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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