Explore / Hardiness & climate / Cold-hardy (zone 4a or colder)
Hardiness & climate
Cold-hardy (zone 4a or colder)
Taxa whose minimum survivable temperature is −30 °F or lower — suitable for hardiness zone 4a and colder. The Upper Plains, northern New England, the Mountain West interior.
- Matching taxa
- 856
- Page
- 16 / 18
- Filter
- max_temperature_f=-30
Showing 751–800 of 856.
-
Smilax rotundifolia L. SMROroundleaf greenbrier · Smilacaceae -
Solidago canadensis L. SOCA6Canada goldenrod · Asteraceae -
Solidago gigantea Aiton SOGIgiant goldenrod · Asteraceae -
Solidago missouriensis Nutt. SOMI2Missouri goldenrod · Asteraceae -
Solidago multiradiata Aiton SOMURocky Mountain goldenrod · Asteraceae -
Solidago nemoralis Aiton SONEgray goldenrod · Asteraceae -
Solidago patula Muhl. ex Willd. SOPA2roundleaf goldenrod · Asteraceae -
Solidago rugosa Mill. SORU2wrinkleleaf goldenrod · Asteraceae -
Sorbus americana Marshall SOAM3American mountain ash · Rosaceae -
Sorbus aucuparia L. SOAUEuropean mountain ash · Rosaceae -
Sorbus decora (Sarg.) C.K. Schneid. SODE3northern mountain ash · Rosaceae -
Sorghastrum nutans (L.) Nash SONU2Indiangrass · Poaceae -
Sparganium americanum Nutt. SPAMAmerican bur-reed · Sparganiaceae -
Sparganium eurycarpum Engelm. SPEUbroadfruit bur-reed · Sparganiaceae -
Spartina gracilis Trin. SPGRalkali cordgrass · Poaceae -
Spartina pectinata Bosc ex Link SPPEprairie cordgrass · Poaceae -
Sphenopholis obtusata (Michx.) Scribn. SPOBprairie wedgescale · Poaceae -
Spiraea alba Du Roi SPAL2white meadowsweet · Rosaceae -
Spiraea tomentosa L. SPTO2steeplebush · Rosaceae -
Spiranthes cernua (L.) Rich. SPCEnodding lady's tresses · Orchidaceae -
Spiranthes romanzoffiana Cham. SPROhooded lady's tresses · Orchidaceae -
Spirodela polyrrhiza (L.) Schleid. SPPOcommon duckmeat · Lemnaceae -
Sporobolus airoides (Torr.) Torr. SPAIalkali sacaton · Poaceae -
Sporobolus compositus (Poir.) Merr. var. compositus SPCOC2composite dropseed · Poaceae -
Sporobolus cryptandrus (Torr.) A. Gray SPCRsand dropseed · Poaceae -
Sporobolus heterolepis (A. Gray) A. Gray SPHEprairie dropseed · Poaceae -
Stachys palustris L. STPAmarsh hedgenettle · Lamiaceae -
Stachys tenuifolia Willd. STTEsmooth hedgenettle · Lamiaceae -
Stellaria longifolia Muhl. ex Willd. STLOlongleaf starwort · Caryophyllaceae -
Stellaria longipes Goldie STLO2longstalk starwort · Caryophyllaceae -
Stuckenia filiformis (Pers.) Börner ssp. filiformis STFIFfineleaf pondweed · Potamogetonaceae -
Stuckenia pectinata (L.) Börner STPE15sago pondweed · Potamogetonaceae -
Symphoricarpos albus (L.) S.F. Blake SYALcommon snowberry · Caprifoliaceae -
Symphoricarpos occidentalis Hook. SYOCwestern snowberry · Caprifoliaceae -
Symphoricarpos oreophilus A. Gray SYOR2mountain snowberry · Caprifoliaceae -
Symphyotrichum chilense (Nees) G.L. Nesom var. invenustum (Greene) G.L. Nesom SYCHIPacific aster · Asteraceae -
Symphyotrichum cordifolium (L.) G.L. Nesom SYCO4common blue wood aster · Asteraceae -
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. foliaceum SYFOFalpine leafybract aster · Asteraceae -
Symphyotrichum laeve (L.) Á. Löve & D. Löve var. laeve SYLAL3smooth blue aster · Asteraceae -
Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. hesperium (A. Gray) G.L. Nesom var. hesperium SYLAH6white panicle aster · Asteraceae -
Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. lateriflorum SYLAL7calico aster · Asteraceae -
Symphyotrichum novi-belgii (L.) G.L. Nesom var. novi-belgii SYNONNew York aster · Asteraceae -
Symphyotrichum patens (Aiton) G.L. Nesom var. patens SYPAP2late purple aster · Asteraceae -
Symphyotrichum pilosum (Willd.) G.L. Nesom var. pilosum SYPIP3hairy white oldfield aster · Asteraceae -
Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L. Nesom SYPR6crookedstem aster · Asteraceae -
Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum SYPUPpurplestem aster · Asteraceae -
Symplocarpus foetidus (L.) Salisb. ex W.P.C. Barton SYFOskunk cabbage · Araceae -
Syringa vulgaris L. SYVUcommon lilac · Oleaceae -
Taraxacum officinale F.H. Wigg. TAOFcommon dandelion · Asteraceae -
Teucrium canadense L. TECA3Canada germander · Lamiaceae