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Native plants · California

Native plants of Amador County

234 plant species are recorded as native to California in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Amador County by USDA PLANTS. 185 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Amador County, California

Native species
234 Typical California county: 333 (median of 58 counties)
Garden-ready natives
185 Typical California county: 239
Share by type (all 234 native species)
Percent of the 234 native species in each growth type
Tree 20% (46)
Shrub 17% (39)
Wildflower (forb) 44% (104)
Grass or grass-like 16% (37)
Vine <1% (2)
Fern 3% (6)

Wildflowers make up the largest share of the native list (44%), followed by trees (20%).

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 zones 9a to 9b (2023 map).

The native plant list

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

Garden-ready natives 185

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

Garden-ready native plants of Amador County, California
PlantType HeightLight Water useHardy to
alkali sacaton Sporobolus airoides Grass or grass-like 3 ft Sun Low Zone 3b
American bistort Polygonum bistortoides Wildflower (forb) 1.5 ft Sun High Zone 3b
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
American vetch Vicia americana Vine 1.3 ft Sun Low Zone 3b
annual hairgrass Deschampsia danthonioides Grass or grass-like 1.5 ft Sun–part shade Medium Zone 12b
arrowleaf balsamroot Balsamorhiza sagittata Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
arrowleaf ragwort Senecio triangularis Wildflower (forb) 4 ft Sun–part shade High Zone 4a
arumleaf arrowhead Sagittaria cuneata Wildflower (forb) 2.6 ft Sun Medium Zone 4a
awl-leaf lilaea Lilaea scilloides Grass or grass-like 10 in Shade-tolerant High Zone 12b
bastardsage Eriogonum wrightii Shrub 2 ft Sun–part shade Low Zone 6a
beaked hazelnut Corylus cornuta Tree 15 ft Shade-tolerant Medium Zone 2b
beardless wildrye Leymus triticoides Grass or grass-like 3 ft Sun High Zone 3a
big sagebrush Artemisia tridentata Tree 4 ft Sun Medium Zone 3a
bigflower agoseris Agoseris grandiflora Wildflower (forb) 1.8 ft Sun Medium Zone 6a
bigleaf maple Acer macrophyllum Tree 60 ft Sun–part shade Medium Zone 6a
bigseed biscuitroot Lomatium macrocarpum Wildflower (forb) 6 in Sun Low Zone 4b
bitter cherry Prunus emarginata Tree 80 ft Sun Medium Zone 5a
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
blue oak Quercus douglasii Tree 60 ft Sun Low Zone 8a
blue wildrye Elymus glaucus Grass or grass-like 3.3 ft Shade-tolerant Low Zone 3b
boreal sagebrush Artemisia arctica Shrub 1.5 ft — — Zone 1a
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
broadleaf lupine Lupinus latifolius Wildflower (forb) 25 ft Shade-tolerant High Zone 5b
buckbrush Ceanothus cuneatus Shrub 11 ft Sun Medium Zone 6a
bush chinquapin Chrysolepis sempervirens Shrub 7 ft Shade-tolerant Low Zone 6b
California black oak Quercus kelloggii Tree 85 ft Sun Medium Zone 7a
California brome Bromus carinatus Grass or grass-like 4 ft Sun Low Zone 9a
California buckeye Aesculus californica Tree 25 ft Sun–part shade Medium Zone 7b
California buckthorn Frangula californica Tree 5 ft Sun Medium Zone 8a
California damsonium Damasonium californicum Wildflower (forb) 1.5 ft Sun High Zone 5a
California false hellebore Veratrum californicum Wildflower (forb) 6 ft Shade-tolerant High Zone 3b
California flannelbush Fremontodendron californicum Tree 10 ft Sun Low Zone 9b
California foothill pine Pinus sabiniana Tree 80 ft Sun Low Zone 8b
California laurel Umbellularia californica Tree 80 ft Shade-tolerant High Zone 6a
California melicgrass Melica californica Grass or grass-like 4 ft Sun–part shade Low Zone 8a
California poppy Eschscholzia californica Wildflower (forb) 1.2 ft Sun–part shade Low Zone 8a
California red fir Abies magnifica Tree 150 ft Shade-tolerant Medium Zone 5a
California yerba santa Eriodictyon californicum Shrub 8 ft Sun Low Zone 7a
canyon live oak Quercus chrysolepis Tree 90 ft Shade-tolerant Medium Zone 8b
chamise Adenostoma fasciculatum Shrub 10 ft Sun Medium Zone 10b
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
Columbian monkshood Aconitum columbianum Wildflower (forb) 5 ft Sun–part shade High Zone 4b
common buttonbush Cephalanthus occidentalis Tree 15 ft Shade-tolerant High Zone 4a
common rush Juncus effusus Grass or grass-like 6.6 ft Sun Medium Zone 3b
common snowberry Symphoricarpos albus Shrub 3 ft Sun Medium Zone 3b
cows clover Trifolium wormskioldii Wildflower (forb) 3.5 ft Sun–part shade Medium Zone 4b
coyotebrush Baccharis pilularis Shrub 10 ft Sun Low Zone 9b
creeping barberry Mahonia repens Shrub 2 ft Shade-tolerant Medium Zone 5a
deerbrush Ceanothus integerrimus Shrub 13 ft Sun Low Zone 6a
deergrass Muhlenbergia rigens Grass or grass-like 4.5 ft Sun–part shade Low Zone 9b
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
doublehorn calicoflower Downingia bicornuta Wildflower (forb) 10 in Sun Medium Zone 12a
Douglas-fir Pseudotsuga menziesii Tree 200 ft Sun–part shade Medium Zone 4a
Douglas' dustymaiden Chaenactis douglasii Wildflower (forb) 1.6 ft Sun–part shade Low Zone 3b
dwarf bilberry Vaccinium cespitosum Shrub 1 ft Shade-tolerant High Zone 4a
dwarf purple monkeyflower Mimulus nanus Wildflower (forb) 6 in Sun Low Zone 10b
dwarf rose Rosa gymnocarpa Shrub 3 ft Shade-tolerant Medium Zone 5b
Eschscholtz's buttercup Ranunculus eschscholtzii Wildflower (forb) 1 ft Sun Medium Zone 4a
fernleaf biscuitroot Lomatium dissectum Wildflower (forb) 15 ft Sun–part shade Low Zone 8a
field horsetail Equisetum arvense Fern 11 in Sun–part shade High Zone 3a
fivespot Nemophila maculata Wildflower (forb) 6 in Shade-tolerant Medium Zone 12b
foothill needlegrass Nassella lepida Grass or grass-like 3 ft Sun Low Zone 9a
Fremont cottonwood Populus fremontii Tree 90 ft Sun High Zone 6a
Geyer willow Salix geyeriana Tree 15 ft Shade-tolerant High Zone 3b
gooseberry currant Ribes montigenum Shrub 1 ft Sun–part shade Medium Zone 7a
granite prickly phlox Linanthus pungens Wildflower (forb) 2 ft Shade-tolerant Low Zone 4a
gray alder Alnus incana Tree 25 ft Sun–part shade High Zone 4a
greater creeping spearwort Ranunculus flammula Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4a
greenleaf manzanita Arctostaphylos patula Shrub 6 ft Sun–part shade Medium Zone 4b
hairy arnica Arnica mollis Wildflower (forb) 2 ft Sun–part shade High Zone 4a
hollyleaved barberry Mahonia aquifolium Shrub 8 ft Shade-tolerant Low Zone 3a
Hooker's evening primrose Oenothera elata Wildflower (forb) 5 ft Sun High Zone 5a
huckleberry oak Quercus vacciniifolia Shrub 1.3 ft Shade-tolerant Low Zone 4b
Idaho bentgrass Agrostis idahoensis Grass or grass-like 1.4 ft Sun Medium Zone 3b
incense cedar Calocedrus decurrens Tree 100 ft Sun–part shade Low Zone 4b
Indian plum Oemleria cerasiformis Tree 5 ft Sun–part shade — Zone 10a
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Jeffrey pine Pinus jeffreyi Tree 180 ft Sun Medium Zone 3b
King's sandwort Arenaria kingii Wildflower (forb) 8 in Sun Low Zone 4b
Klamath plum Prunus subcordata Tree 25 ft Sun Low Zone 4b
lacy phacelia Phacelia tanacetifolia Wildflower (forb) 4 ft Sun Medium Zone 12b
lambstongue ragwort Senecio integerrimus Wildflower (forb) 1.1 ft Sun–part shade Medium Zone 3b
Lemmon's willow Salix lemmonii Shrub 14 ft Sun–part shade High Zone 4b
Lewis' mock orange Philadelphus lewisii Shrub 12 ft Sun Low Zone 8a
little sagebrush Artemisia arbuscula Shrub 2 ft Sun Low Zone 3a
little western bittercress Cardamine oligosperma Wildflower (forb) 1.7 ft Shade-tolerant Medium Zone 5a
lodgepole pine Pinus contorta Tree 99 ft Sun Medium Zone 1a
longstalk clover Trifolium longipes Wildflower (forb) 6 in Sun–part shade Medium Zone 8a
marumleaf buckwheat Eriogonum marifolium Wildflower (forb) 10 in Sun Low Zone 5b
Mexican rush Juncus mexicanus Grass or grass-like 10 in Sun Medium Zone 5b
miner's lettuce Claytonia perfoliata Wildflower (forb) 1 ft Shade-tolerant Medium Zone 12b
mountain blue penstemon Penstemon laetus Wildflower (forb) 2.5 ft Sun Medium Zone 8b
mountain hemlock Tsuga mertensiana Tree 125 ft Shade-tolerant High Zone 5b
narrowleaf willow Salix exigua Tree 10 ft Sun–part shade High Zone 3b
needle spikerush Eleocharis acicularis Grass or grass-like 8 in Sun Medium Zone 5a
nettleleaf giant hyssop Agastache urticifolia Wildflower (forb) 5 ft Sun–part shade Medium Zone 4a
nodding needlegrass Nassella cernua Grass or grass-like 2.6 ft Sun Low Zone 9a
oceanspray Holodiscus discolor Shrub 12 ft Sun High Zone 8a
old man's whiskers Geum triflorum Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
Oregon ash Fraxinus latifolia Tree 70 ft Sun–part shade Medium Zone 6b
Oregon white oak Quercus garryana Tree 80 ft Sun Low Zone 4a
Pacific dogwood Cornus nuttallii Tree 50 ft Shade-tolerant Medium Zone 4b
Pacific madrone Arbutus menziesii Tree 80 ft Sun–part shade Low Zone 8b
Pacific ninebark Physocarpus capitatus Shrub 8 ft Sun Low Zone 4a
Pacific onion Allium validum Wildflower (forb) 2 ft Sun–part shade High Zone 5b
Pacific yew Taxus brevifolia Tree 40 ft Shade-tolerant Low Zone 5b
panicled bulrush Scirpus microcarpus Grass or grass-like 5.5 ft Sun Medium Zone 3b
Parish's yampah Perideridia parishii Wildflower (forb) 2.5 ft Shade-tolerant High Zone 4a
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
pinemat manzanita Arctostaphylos nevadensis Shrub 2 ft Shade-tolerant Low Zone 6a
plantainleaf buttercup Ranunculus alismifolius Wildflower (forb) 2 ft Sun–part shade High Zone 4a
ponderosa pine Pinus ponderosa Tree 223 ft Sun Medium Zone 3b
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie wedgescale Sphenopholis obtusata Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3a
prostrate ceanothus Ceanothus prostratus Shrub 6 in Shade-tolerant Low Zone 5a
purple mountainheath Phyllodoce breweri Shrub 1 ft Sun–part shade High Zone 7a
purple needlegrass Nassella pulchra Grass or grass-like 3 ft Sun–part shade Medium Zone 8b
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
Rainier pleated gentian Gentiana calycosa Wildflower (forb) 7 in Shade-tolerant Medium Zone 8a
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
redosier dogwood Cornus sericea Tree 12 ft Sun High 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
royal penstemon Penstemon speciosus Wildflower (forb) 2.5 ft Sun Low Zone 4a
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
Sandberg bluegrass Poa secunda Grass or grass-like 1.4 ft Sun–part shade Low Zone 3b
Saskatoon serviceberry Amelanchier alnifolia Tree 15 ft Sun–part shade Medium Zone 1a
scabland penstemon Penstemon deustus Wildflower (forb) 2 ft Sun Low Zone 4a
scarlet gilia Ipomopsis aggregata Wildflower (forb) 3 ft Sun Low Zone 5b
scarlet monkeyflower Mimulus cardinalis Wildflower (forb) 2.5 ft Shade-tolerant High Zone 4b
Scouler's willow Salix scouleriana Tree 50 ft Sun–part shade High Zone 6a
seashore bentgrass Agrostis pallens Grass or grass-like 2 ft Sun–part shade High Zone 5a
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
sicklekeel lupine Lupinus albicaulis Wildflower (forb) 3 ft Sun Medium Zone 12a
Sierra currant Ribes nevadense Shrub 6 ft Sun–part shade High Zone 4b
Sierra gooseberry Ribes roezlii Shrub 5 ft Sun–part shade Low Zone 4b
Sierra larkspur Delphinium glaucum Wildflower (forb) 8 ft Shade-tolerant High Zone 4b
Sierra willow Salix orestera Shrub 10 ft Sun High Zone 5a
silverleaf phacelia Phacelia hastata Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
silvery lupine Lupinus argenteus Wildflower (forb) 1.5 ft Sun Low Zone 3a
slender cinquefoil Potentilla gracilis Wildflower (forb) 2.4 ft Sun Low Zone 3a
slender hairgrass Deschampsia elongata Grass or grass-like 3 ft Sun Low Zone 3b
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
small white violet Viola macloskeyi Wildflower (forb) 6 in Shade-tolerant High Zone 4b
smooth horsetail Equisetum laevigatum Fern 5 ft Sun Low Zone 3b
spike bentgrass Agrostis exarata Grass or grass-like 3 ft Sun Medium Zone 3b
spreading phlox Phlox diffusa Wildflower (forb) 6 in Shade-tolerant Low Zone 6a
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low Zone 3a
sticky cinquefoil Potentilla glandulosa Wildflower (forb) 1.5 ft Sun–part shade Low Zone 4a
sticky currant Ribes viscosissimum Shrub 3.5 ft Sun — Zone 3b
strawcolored flatsedge Cyperus strigosus Grass or grass-like 3.2 ft Sun Medium Zone 4a
sugar pine Pinus lambertiana Tree 229 ft Sun–part shade Medium Zone 4b
sulphur-flower buckwheat Eriogonum umbellatum Shrub 1 ft Sun Low Zone 8a
tall trisetum Trisetum canescens Grass or grass-like 3.5 ft Sun–part shade Medium Zone 4a
tapertip hawksbeard Crepis acuminata Wildflower (forb) 3 ft Sun–part shade Low Zone 3b
teal lovegrass Eragrostis hypnoides Grass or grass-like 4 in Sun High Zone 3b
thimbleberry Rubus parviflorus Shrub 4 ft Sun–part shade High Zone 4b
tinker's penny Hypericum anagalloides Wildflower (forb) 10 in Sun–part shade High Zone 12a
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
twinberry honeysuckle Lonicera involucrata Shrub 10 ft Shade-tolerant High Zone 3a
twoheaded water-starwort Callitriche heterophylla Wildflower (forb) — Sun High Zone 4a
Utah serviceberry Amelanchier utahensis Tree 15 ft Sun–part shade Medium Zone 4b
valley oak Quercus lobata Tree 100 ft Sun Medium Zone 8a
valley redstem Ammannia coccinea Wildflower (forb) 1.6 ft Sun Medium Zone 3b
wavyleaf Indian paintbrush Castilleja applegatei Wildflower (forb) 1.5 ft Sun Low Zone 4b
wax currant Ribes cereum Shrub 3 ft Sun Low Zone 5a
western azalea Rhododendron occidentale Shrub 10 ft Sun–part shade High Zone 8b
western columbine Aquilegia formosa Wildflower (forb) 3 ft Shade-tolerant Medium Zone 5a
western juniper Juniperus occidentalis Tree 33 ft Sun Low Zone 4a
western needlegrass Achnatherum occidentale Grass or grass-like 2 ft Sun–part shade Low Zone 4b
western pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
western sweetroot Osmorhiza occidentalis Wildflower (forb) 4 ft Shade-tolerant Medium Zone 3b
western white clematis Clematis ligusticifolia Vine 1 ft Sun–part shade Medium Zone 3b
western white pine Pinus monticola Tree 200 ft Sun–part shade Medium Zone 4a
white alder Alnus rhombifolia Tree 65 ft Shade-tolerant High Zone 5a
white hawkweed Hieracium albiflorum Wildflower (forb) 3 ft Sun–part shade Low Zone 4a
whitebark pine Pinus albicaulis Tree 65 ft Sun–part shade Medium Zone 1b
whiteleaf manzanita Arctostaphylos manzanita Shrub 8 ft Sun–part shade Low Zone 5a
whitestem gooseberry Ribes inerme Shrub 8 ft Shade-tolerant Medium Zone 4b
whitethorn ceanothus Ceanothus cordulatus Shrub 8 ft Sun Low Zone 5a
woolly mule-ears Wyethia mollis Wildflower (forb) 2.5 ft Shade-tolerant Low Zone 6a
woollypod milkvetch Astragalus purshii Wildflower (forb) 7 in Sun Low Zone 4a
yellow rabbitbrush Chrysothamnus viscidiflorus Shrub 3 ft Sun Low Zone 5a

Other native species recorded here 49

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.

  • Aleutian maidenhair Adiantum aleuticum
  • American bird's-foot trefoil Lotus unifoliolatus
  • American black nightshade Solanum americanum
  • American rockbrake Cryptogramma acrostichoides
  • American wild carrot Daucus pusillus
  • arroyo willow Salix lasiolepis
  • bastard toadflax Comandra umbellata
  • bearded flatsedge Cyperus squarrosus
  • beautiful sandwort Minuartia rubella
  • bigleaf lupine Lupinus polyphyllus
  • blite goosefoot Chenopodium capitatum
  • Canada lettuce Lactuca canadensis
  • Canada toadflax Nuttallanthus canadensis
  • cottonbatting plant Pseudognaphalium stramineum
  • curlytop knotweed Polygonum lapathifolium
  • ditch rabbitsfoot grass Polypogon interruptus
  • Douglas' knotweed Polygonum douglasii
  • elkweed Frasera speciosa
  • Elliott's bentgrass Agrostis elliottiana
  • feathery false lily of the valley Maianthemum racemosum
  • fringed willowherb Epilobium ciliatum
  • hairy waterclover Marsilea vestita
  • hooded coralroot Corallorhiza striata
  • hookedspur violet Viola adunca
  • leathery grapefern Botrychium multifidum
  • meadow deathcamas Zigadenus venenosus
  • Menzies' fiddleneck Amsinckia menziesii
  • Mexican lovegrass Eragrostis mexicana
  • mountain tarweed Madia glomerata
  • muskflower Mimulus moschatus
  • narrowleaf bur-reed Sparganium angustifolium
  • neckweed Veronica peregrina
  • needleleaf navarretia Navarretia intertexta
  • pale spikerush Eleocharis macrostachya
  • pullup muhly Muhlenbergia filiformis
  • Rocky Mountain fescue Festuca saximontana
  • scentbottle Platanthera dilatata
  • silverleaf nightshade Solanum elaeagnifolium
  • slender phlox Microsteris gracilis
  • slender-spire orchid Piperia unalascensis
  • spreading dogbane Apocynum androsaemifolium
  • summer coralroot Corallorhiza maculata
  • tall annual willowherb Epilobium brachycarpum
  • warty spurge Euphorbia spathulata
  • water pygmyweed Crassula aquatica
  • western marsh cudweed Gnaphalium palustre
  • willow dock Rumex salicifolius
  • witchgrass Panicum capillare
  • Wright's cudweed Pseudognaphalium canescens
Also listed as native and introduced here 2

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.

Compared with California

The typical county is the median of the 58 California 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, Amador County and California
MeasureAmador CountyTypical countyStatewide
Native species 234 333 1,108
Garden-ready natives 185 239 720
Tree 46 — 111
Shrub 39 — 140
Wildflower (forb) 104 — 559
Grass or grass-like 37 — 253
Vine 2 — 16
Fern 6 — 29

Neighboring counties

Counties that share a ZIP code with Amador 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
Amador County (county FIPS 06005), California. 234 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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