Native plants · New Mexico

Native plants of Los Alamos County

335 plant species are recorded as native to New Mexico in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Los Alamos County by USDA PLANTS. 190 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 4 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Los Alamos County, New Mexico

Native species
335 Typical New Mexico county: 258 (median of 33 counties)
Garden-ready natives
190 Typical New Mexico county: 160
Share by type (all 335 native species)
Percent of the 335 native species in each growth type
Tree 9% (31)
Shrub 13% (45)
Wildflower (forb) 55% (183)
Grass or grass-like 21% (69)
Vine <1% (2)
Fern 1% (5)

Wildflowers make up the largest share of the native list (55%), followed by grasses and grass-like plants (21%).

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 190

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

Garden-ready native plants of Los Alamos County, New Mexico
PlantType HeightLight Water useHardy to
alderleaf mountain mahogany Cercocarpus montanus Tree 15 ft Sun–part shade Low Zone 3a
alkali buttercup Ranunculus cymbalaria Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
alpine timothy Phleum alpinum Grass or grass-like 1.4 ft Sun–part shade Medium Zone 3a
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
American red raspberry Rubus idaeus Shrub 6 ft Shade-tolerant — Zone 1a
American speedwell Veronica americana Wildflower (forb) 10 in Shade-tolerant High Zone 3b
American vetch Vicia americana Vine 1.3 ft Sun Low Zone 3b
American water horehound Lycopus americanus Wildflower (forb) 1.8 ft Shade-tolerant High Zone 3b
Apache plume Fallugia paradoxa Shrub 6 ft Sun Low Zone 5a
Arizona fescue Festuca arizonica Grass or grass-like 2 ft Sun Low Zone 5a
Arizona threeawn Aristida arizonica Grass or grass-like 2 ft Sun Low Zone 7a
Bigelow's tansyaster Machaeranthera bigelovii Wildflower (forb) 4 ft Sun Low Zone 10b
black grama Bouteloua eriopoda Grass or grass-like 2 ft Sun Low Zone 5a
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
blue grama Bouteloua gracilis Grass or grass-like 1 ft Sun Medium Zone 3a
blue wildrye Elymus glaucus Grass or grass-like 3.3 ft Shade-tolerant Low Zone 3b
bluejoint Calamagrostis canadensis Grass or grass-like 4.9 ft Sun Medium Zone 4a
bluntseed sweetroot Osmorhiza depauperata Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
broom snakeweed Gutierrezia sarothrae Shrub 1.5 ft Sun Medium Zone 3b
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low Zone 4a
California false hellebore Veratrum californicum Wildflower (forb) 6 ft Shade-tolerant High Zone 3b
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Canada wildrye Elymus canadensis Grass or grass-like 3 ft Shade-tolerant Medium Zone 3a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
cardinalflower Lobelia cardinalis Wildflower (forb) 5.9 ft Shade-tolerant Low Zone 4a
cerro hawthorn Crataegus erythropoda Tree 16 ft Sun Low Zone 2a
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
cliff fendlerbush Fendlera rupicola Shrub 6 ft Sun Low Zone 6a
Colorado barberry Berberis fendleri Shrub 6 ft Sun Low Zone 5b
Colorado blue columbine Aquilegia coerulea Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4b
Colorado four o'clock Mirabilis multiflora Wildflower (forb) 2 ft Sun Low Zone 5b
Colorado rush Juncus confusus Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
Columbian monkshood Aconitum columbianum Wildflower (forb) 5 ft Sun–part shade High Zone 4b
common duckweed Lemna minor Wildflower (forb) — Sun High Zone 3b
common hoptree Ptelea trifoliata Tree 25 ft Sun–part shade High Zone 4a
common juniper Juniperus communis Tree 10 ft Sun Low Zone 3a
common reed Phragmites australis Shrub 13 ft Sun Medium Zone 3b
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
common sneezeweed Helenium autumnale Wildflower (forb) 4.9 ft Sun Medium Zone 3a
common spikerush Eleocharis palustris Grass or grass-like 1.3 ft Sun High Zone 3b
common threesquare Schoenoplectus pungens Grass or grass-like 4.9 ft Sun High Zone 3b
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
creeping barberry Mahonia repens Shrub 2 ft Shade-tolerant Medium Zone 5a
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
cutleaf coneflower Rudbeckia laciniata Wildflower (forb) 8.2 ft Shade-tolerant Low Zone 3b
deergrass Muhlenbergia rigens Grass or grass-like 4.5 ft Sun–part shade Low Zone 9b
Dewey sedge Carex deweyana Grass or grass-like 3.8 ft Shade-tolerant Medium Zone 4a
dewystem willow Salix irrorata Shrub 6 ft — — Zone 2a
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
Douglas-fir Pseudotsuga menziesii Tree 200 ft Sun–part shade Medium Zone 4a
Douglas' sedge Carex douglasii Grass or grass-like 1.5 ft Sun Medium Zone 4a
Drummond's willow Salix drummondiana Shrub 12 ft Sun–part shade High Zone 4b
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
Engelmann spruce Picea engelmannii Tree 120 ft Shade-tolerant Medium Zone 2a
false indigo bush Amorpha fruticosa Shrub 15 ft Sun Low Zone 3b
featherplume Dalea formosa Shrub 3 ft Sun Low Zone 6a
field horsetail Equisetum arvense Fern 11 in Sun–part shade High Zone 3a
fireweed Chamerion angustifolium Wildflower (forb) 5.5 ft Sun–part shade High Zone 3b
fivepetal cliffbush Jamesia americana Shrub 6 ft Sun Medium Zone 5a
fourwing saltbush Atriplex canescens Shrub 4 ft Sun Medium Zone 3a
fowl mannagrass Glyceria striata Grass or grass-like 5.7 ft Shade-tolerant Medium Zone 3b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
freckled milkvetch Astragalus lentiginosus Shrub 1.4 ft Sun Low Zone 4b
fringed brome Bromus ciliatus Grass or grass-like 4 ft Shade-tolerant Medium Zone 7a
Gambel oak Quercus gambelii Tree 40 ft Sun Low Zone 3a
golden crownbeard Verbesina encelioides Wildflower (forb) 2 ft Sun Medium Zone 5a
Goodding's willow Salix gooddingii Tree 40 ft Sun High Zone 5a
gooseberry currant Ribes montigenum Shrub 1 ft Sun–part shade Medium Zone 7a
gray alder Alnus incana Tree 25 ft Sun–part shade High Zone 4a
green prairie coneflower Ratibida tagetes Wildflower (forb) 1 ft Sun Low Zone 4b
green sprangletop Leptochloa dubia Grass or grass-like 3 ft Sun Medium Zone 6a
grouse whortleberry Vaccinium scoparium Shrub 2 ft Shade-tolerant Medium Zone 6a
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
Hooker's evening primrose Oenothera elata Wildflower (forb) 5 ft Sun High Zone 5a
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
Indian ricegrass Achnatherum hymenoides Grass or grass-like 2 ft Sun Low Zone 3a
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
inland rush Juncus interior Grass or grass-like 3 ft Sun–part shade Medium Zone 3b
James' galleta Pleuraphis jamesii Grass or grass-like 2 ft Sun Low Zone 5a
kinnikinnick Arctostaphylos uva-ursi Shrub 6 in Sun–part shade Low Zone 4a
largeleaf avens Geum macrophyllum Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
limber pine Pinus flexilis Tree 66 ft Sun Low Zone 3a
little bluestem Schizachyrium scoparium Grass or grass-like 3 ft Sun Low Zone 3b
littleleaf mock orange Philadelphus microphyllus Shrub 15 ft Sun Low Zone 5a
longleaf jointfir Ephedra trifurca Shrub 15 ft Sun Low Zone 6a
lyreleaf greeneyes Berlandiera lyrata Wildflower (forb) 4 ft Sun Low Zone 5a
Macoun's buttercup Ranunculus macounii Wildflower (forb) 1 ft Sun — Zone 1a
marsh muhly Muhlenbergia racemosa Grass or grass-like 3 ft Shade-tolerant Medium Zone 3b
Missouri goldenrod Solidago missouriensis Wildflower (forb) 3 ft Sun–part shade Low Zone 3b
mountain muhly Muhlenbergia montana Grass or grass-like 1.5 ft Sun Medium Zone 3b
mountain snowberry Symphoricarpos oreophilus Shrub 5 ft Sun–part shade Low Zone 4a
muttongrass Poa fendleriana Grass or grass-like 2 ft Sun Low Zone 3b
narrowleaf cottonwood Populus angustifolia Tree 60 ft Sun High Zone 4b
narrowleaf willow Salix exigua Tree 10 ft Sun–part shade High Zone 3b
Nebraska sedge Carex nebrascensis Grass or grass-like 3 ft Sun High Zone 3b
New Mexico locust Robinia neomexicana Tree 25 ft Sun Medium Zone 5a
nodding beggartick Bidens cernua Wildflower (forb) 3.2 ft Sun–part shade High Zone 12a
nodding brome Bromus anomalus Grass or grass-like 2 ft Shade-tolerant Low Zone 4a
northern bedstraw Galium boreale Wildflower (forb) 3 ft Sun–part shade Medium Zone 4a
Northwest Territory sedge Carex utriculata Grass or grass-like 3.5 ft Sun High Zone 3a
old man's whiskers Geum triflorum Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
orange agoseris Agoseris aurantiaca Wildflower (forb) 1 ft Sun Medium Zone 4a
pale agoseris Agoseris glauca Shrub 1 ft Sun Medium Zone 4a
pale desert-thorn Lycium pallidum Shrub 6 ft Sun Medium Zone 6a
pale evening primrose Oenothera pallida Wildflower (forb) 2 ft Sun Low Zone 3b
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
pine dropseed Blepharoneuron tricholepis Grass or grass-like 3 ft Sun–part shade Low Zone 5a
pipsissewa Chimaphila umbellata Shrub 1.5 ft Shade-tolerant Low Zone 3b
plains pricklypear Opuntia polyacantha Shrub 2 ft Sun Low Zone 4b
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie Junegrass Koeleria macrantha Grass or grass-like 1.5 ft Shade-tolerant High Zone 3b
prairie sagewort Artemisia frigida Shrub 2 ft Sun–part shade Low Zone 3a
prickly rose Rosa acicularis Shrub 4 ft Shade-tolerant High Zone 3b
purple avens Geum rivale Wildflower (forb) 3 ft Sun High Zone 4a
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low Zone 3b
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
rattlesnake fern Botrychium virginianum Fern 1.4 ft Shade-tolerant Medium Zone 3b
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
rice cutgrass Leersia oryzoides Grass or grass-like 4.9 ft Sun High Zone 4a
Richardson's geranium Geranium richardsonii Wildflower (forb) 3 ft Sun–part shade High Zone 3b
roadside agrimony Agrimonia striata Wildflower (forb) 6 ft Shade-tolerant Medium Zone 3a
Rocky Mountain beeplant Cleome serrulata Wildflower (forb) 3 ft Sun–part shade Medium Zone 12b
Rocky Mountain goldenrod Solidago multiradiata Wildflower (forb) 1 ft Sun — Zone 1a
Rocky Mountain iris Iris missouriensis Wildflower (forb) 1 ft Sun–part shade High Zone 4b
Rocky Mountain juniper Juniperus scopulorum Tree 50 ft Sun Low Zone 3b
Rocky Mountain maple Acer glabrum Tree 30 ft Sun–part shade Low Zone 3a
rough bentgrass Agrostis scabra Grass or grass-like 2.5 ft Sun Medium Zone 3b
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
russet buffaloberry Shepherdia canadensis Shrub 6 ft Sun–part shade Medium Zone 1a
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
sanddune wallflower Erysimum capitatum Wildflower (forb) 2.5 ft Sun Medium Zone 4b
Saskatoon serviceberry Amelanchier alnifolia Tree 15 ft Sun–part shade Medium Zone 1a
sawsepal penstemon Penstemon glaber Wildflower (forb) 2 ft Sun Medium Zone 3b
scarlet gilia Ipomopsis aggregata Wildflower (forb) 3 ft Sun Low Zone 5b
scarlet globemallow Sphaeralcea coccinea Wildflower (forb) 1.5 ft Sun Low Zone 5a
Scouler's willow Salix scouleriana Tree 50 ft Sun–part shade High Zone 6a
seep monkeyflower Mimulus guttatus Wildflower (forb) 2.5 ft Shade-tolerant High Zone 3b
showy milkweed Asclepias speciosa Wildflower (forb) 6 ft Sun Medium Zone 4a
shrubby cinquefoil Dasiphora fruticosa Shrub 2.5 ft Sun–part shade Low Zone 4b
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
silverweed cinquefoil Argentina anserina Wildflower (forb) 6 in Shade-tolerant High Zone 5a
silvery lupine Lupinus argenteus Wildflower (forb) 1.5 ft Sun Low Zone 3a
silvery sedge Carex canescens Grass or grass-like 2 ft Sun–part shade High Zone 4a
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
slender wheatgrass Elymus trachycaulus Grass or grass-like 3 ft Sun Medium Zone 3b
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
smallflowered woodrush Luzula parviflora Grass or grass-like 2 ft Shade-tolerant High Zone 4a
smallwing sedge Carex microptera Grass or grass-like 2 ft Sun High Zone 4a
smooth blue aster Symphyotrichum laeve Wildflower (forb) 4 ft Sun Medium Zone 3a
smooth horsetail Equisetum laevigatum Fern 5 ft Sun Low Zone 3b
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
softleaf sedge Carex disperma Grass or grass-like 2 ft Sun–part shade High Zone 3b
spike muhly Muhlenbergia wrightii Grass or grass-like 2 ft Sun Medium Zone 5b
spike trisetum Trisetum spicatum Grass or grass-like 1.9 ft Sun–part shade Medium Zone 3b
spineless horsebrush Tetradymia canescens Shrub 4 ft Sun Low Zone 9a
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low Zone 3a
subalpine fir Abies lasiocarpa Tree 90 ft Shade-tolerant Medium Zone 2a
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
switchgrass Panicum virgatum Grass or grass-like 5 ft Sun Medium Zone 3a
tailcup lupine Lupinus caudatus Wildflower (forb) 5 ft Sun Low Zone 4b
tanseyleaf tansyaster Machaeranthera tanacetifolia Wildflower (forb) 2 ft Sun Medium Zone 4a
textile onion Allium textile Wildflower (forb) 1 ft Sun–part shade Medium Zone 3b
thickspike wheatgrass Elymus lanceolatus Grass or grass-like 2.3 ft Sun Low Zone 3b
thimbleberry Rubus parviflorus Shrub 4 ft Sun–part shade High Zone 4b
Thurber's fescue Festuca thurberi Grass or grass-like 2 ft Sun Low Zone 4a
tufted hairgrass Deschampsia cespitosa Grass or grass-like 3.4 ft Sun Low Zone 3b
twinberry honeysuckle Lonicera involucrata Shrub 10 ft Shade-tolerant High Zone 3a
twoneedle pinyon Pinus edulis Tree 50 ft Sun Low Zone 4a
Utah serviceberry Amelanchier utahensis Tree 15 ft Sun–part shade Medium Zone 4b
water birch Betula occidentalis Tree 25 ft Sun–part shade High Zone 1a
wax currant Ribes cereum Shrub 3 ft Sun Low Zone 5a
western pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
Whipple's penstemon Penstemon whippleanus Wildflower (forb) 3 ft Sun–part shade Medium Zone 4a
white fir Abies concolor Tree 120 ft Sun–part shade Medium Zone 3b
white panicle aster Symphyotrichum lanceolatum Wildflower (forb) 6 ft Sun–part shade High Zone 3b
white prairie clover Dalea candida Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
white sagebrush Artemisia ludoviciana Wildflower (forb) 3 ft Sun Low Zone 4a
whitestem gooseberry Ribes inerme Shrub 8 ft Shade-tolerant Medium Zone 4b
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
winterfat Krascheninnikovia lanata Shrub 2 ft Sun Low Zone 2a
Woods' rose Rosa woodsii Shrub 3 ft Sun–part shade Medium Zone 3a
woolly plantain Plantago patagonica Wildflower (forb) 6 in Sun Low Zone 12b
Wright's deervetch Lotus wrightii Wildflower (forb) 1 ft Sun–part shade Low Zone 7a
yellow owl's-clover Orthocarpus luteus Wildflower (forb) 1.5 ft Sun Low Zone 12b

Other native species recorded here 145

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 mannagrass Glyceria grandis
  • American sloughgrass Beckmannia syzigachne
  • annual buckwheat Eriogonum annuum
  • autumn dwarf gentian Gentianella amarella
  • bastard toadflax Comandra umbellata
  • beautiful cinquefoil Potentilla pulcherrima
  • Bebb willow Salix bebbiana
  • bigbract verbena Verbena bracteata
  • bottlebrush sedge Carex hystericina
  • brittle bladderfern Cystopteris fragilis
  • brook cinquefoil Potentilla rivalis
  • buffalobur nightshade Solanum rostratum
  • Canada lettuce Lactuca canadensis
  • carelessweed Cyclachaena xanthiifolia
  • Carruth's sagewort Artemisia carruthii
  • clasping Venus' looking-glass Triodanis perfoliata
  • cottonbatting plant Pseudognaphalium stramineum
  • curlycup gumweed Grindelia squarrosa
  • curlytop knotweed Polygonum lapathifolium
  • Dakota mock vervain Glandularia bipinnatifida
  • desert goosefoot Chenopodium pratericola
  • Douglas' knotweed Polygonum douglasii
  • Dudley's rush Juncus dudleyi
  • elkweed Frasera speciosa
  • Emory's sedge Carex emoryi
  • false buffalograss Munroa squarrosa
  • false melic Schizachne purpurascens
  • falsegold groundsel Packera pseudaurea
  • feathery false lily of the valley Maianthemum racemosum
  • fetid marigold Dyssodia papposa
  • fineleaf hymenopappus Hymenopappus filifolius
  • flatspine bur ragweed Ambrosia acanthicarpa
  • flatspine stickseed Lappula occidentalis
  • foxtail barley Hordeum jubatum
  • foxtail prairie clover Dalea leporina
  • Fremont's goosefoot Chenopodium fremontii
  • fringed willowherb Epilobium ciliatum
  • Geyer's sandmat Chamaesyce geyeri
  • giant red Indian paintbrush Castilleja miniata
  • grassleaf lettuce Lactuca graminifolia
  • green comet milkweed Asclepias viridiflora
  • greenflowered wintergreen Pyrola chlorantha
  • hairy evening primrose Oenothera villosa
  • hedge false bindweed Calystegia sepium
  • hoary tansyaster Machaeranthera canescens
  • hooded coralroot Corallorhiza striata
  • hookedspur violet Viola adunca
  • Hopi tea greenthread Thelesperma megapotamicum
  • horned pondweed Zannichellia palustris
  • James' cryptantha Cryptantha cinerea
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf sage Salvia reflexa
  • largeleaf sandwort Moehringia macrophylla
  • lemon beebalm Monarda citriodora
  • lemon scurfpea Psoralidium lanceolatum
  • lesser rattlesnake plantain Goodyera repens
  • lesser wirelettuce Stephanomeria minor
  • lesser yellow lady's slipper Cypripedium parviflorum
  • liverleaf wintergreen Pyrola asarifolia
  • longleaf groundcherry Physalis longifolia
  • Louisiana broomrape Orobanche ludoviciana
  • male fern Dryopteris filix-mas
  • manyflower stickseed Hackelia floribunda
  • Maryland sanicle Sanicula marilandica
  • mealy goosefoot Chenopodium incanum
  • mountain deathcamas Zigadenus elegans
  • mountain tansymustard Descurainia incana
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf goosefoot Chenopodium leptophyllum
  • narrowleaf stoneseed Lithospermum incisum
  • neckweed Veronica peregrina
  • nodding onion Allium cernuum
  • northern bog violet Viola nephrophylla
  • Norwegian cinquefoil Potentilla norvegica
  • pale false mannagrass Torreyochloa pallida
  • Pennsylvania cinquefoil Potentilla pensylvanica
  • pinesap Monotropa hypopitys
  • pleated gentian Gentiana affinis
  • pony beebalm Monarda pectinata
  • Porter brome Bromus porteri
  • poverty oatgrass Danthonia spicata
  • prairie sunflower Helianthus petiolaris
  • prairie violet Viola pedatifida
  • pygmyflower rockjasmine Androsace septentrionalis
  • red baneberry Actaea rubra
  • redwhisker clammyweed Polanisia dodecandra
  • Rocky Mountain rush Juncus saximontanus
  • rosy pussytoes Antennaria rosea
  • roughleaf ricegrass Oryzopsis asperifolia
  • rusty lupine Lupinus pusillus
  • sacred thorn-apple Datura wrightii
  • sand sagebrush Artemisia filifolia
  • sanddune cryptantha Cryptantha fendleri
  • scarlet beeblossom Oenothera suffrutescens
  • scrambled eggs Corydalis aurea
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • shortbeak sedge Carex brevior
  • sidebells wintergreen Orthilia secunda
  • silverleaf nightshade Solanum elaeagnifolium
  • sixweeks fescue Vulpia octoflora
  • sixweeks threeawn Aristida adscensionis
  • slimflower scurfpea Psoralidium tenuiflorum
  • small-leaf pussytoes Antennaria parvifolia
  • snowline wintergreen Pyrola minor
  • spiny milkvetch Astragalus kentrophyta
  • spinystar Escobaria vivipara
  • spotted water hemlock Cicuta maculata
  • spreading dogbane Apocynum androsaemifolium
  • spreading fleabane Erigeron divergens
  • spreading sandwort Arenaria lanuginosa
  • starry false lily of the valley Maianthemum stellatum
  • stemless Townsend daisy Townsendia exscapa
  • stream orchid Epipactis gigantea
  • stretchberry Forestiera pubescens
  • strict blue-eyed grass Sisyrinchium montanum
  • summer coralroot Corallorhiza maculata
  • swamp verbena Verbena hastata
  • tall blue lettuce Lactuca biennis
  • tarragon Artemisia dracunculus
  • tasselflower brickellbush Brickellia grandiflora
  • Texas croton Croton texensis
  • threenerve goldenrod Solidago velutina
  • tower rockcress Arabis glabra
  • trailing fleabane Erigeron flagellaris
  • tumblegrass Schedonnardus paniculatus
  • twinflower Linnaea borealis
  • twoflower dwarfdandelion Krigia biflora
  • velvetweed Oenothera curtiflora
  • Virginia pepperweed Lepidium virginicum
  • Virginia strawberry Fragaria virginiana
  • warty spurge Euphorbia spathulata
  • wavyleaf thistle Cirsium undulatum
  • western rattlesnake plantain Goodyera oblongifolia
  • western tansymustard Descurainia pinnata
  • white heath aster Symphyotrichum ericoides
  • white prairie aster Symphyotrichum falcatum
  • whitest evening primrose Oenothera albicaulis
  • whitestem blazingstar Mentzelia albicaulis
  • witchgrass Panicum capillare
  • wood lily Lilium philadelphicum
  • woodland pinedrops Pterospora andromedea
  • woodland strawberry Fragaria vesca
  • woolly cinquefoil Potentilla hippiana
  • woolly sedge Carex pellita
  • yellow avens Geum aleppicum
Also listed as native and introduced here 4

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
  • claspleaf twistedstalkStreptopus amplexifolius
  • common pepperweedLepidium densiflorum
  • Kentucky bluegrassPoa pratensis

Compared with New Mexico

The typical county is the median of the 33 New Mexico 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, Los Alamos County and New Mexico
MeasureLos Alamos CountyTypical countyStatewide
Native species 335 258 1,103
Garden-ready natives 190 160 570
Tree 31 — 81
Shrub 45 — 95
Wildflower (forb) 183 — 602
Grass or grass-like 69 — 275
Vine 2 — 22
Fern 5 — 28

Neighboring counties

Counties that share a ZIP code with Los Alamos 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
Los Alamos County (county FIPS 35028), New Mexico. 335 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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