Plants for zone 6
1469 plants hardy in USDA zone 6.
- Cherry Prunus avium Tree fruit
- Chervil Anthriscus cerefolium Herb
- Chestnut Castanea mollissima Nut
- Chia Salvia columbariae Garden annual
- Chickasaw Plum Prunus angustifolia Tree fruit
- Chickpea Milkvetch Astragalus cicer Legume
- Chicory Cichorium intybus Leafy
- Chimney Bellflower Campanula pyramidalis Garden perennial
- China Pink Dianthus chinensis Garden perennial
- Chinese Astilbe Astilbe chinensis Garden perennial
- Chinese Azalea Rhododendron molle Flowering shrub
- Chinese Delphinium Delphinium grandiflorum Garden perennial
- Chinese Fringe Flower Loropetalum chinense Flowering shrub
- Chinese Fringe Tree Chionanthus retusus Flowering tree
- Chinese Globeflower Trollius chinensis Garden perennial
- Chinese Ground Orchid Bletilla striata Garden perennial
- Chinese Juniper Juniperus chinensis Low shrub
- Chinese Lantern Physalis alkekengi Wildflower
- Chinese Snowball Viburnum macrocephalum Flowering shrub
- Chinese Stonecrop Sedum tetractinum Creeping perennial
- Chinquapin Castanea pumila Nut
- Chives Allium schoenoprasum Allium
- Chocolate Cosmos Cosmos atrosanguineus Garden annual
- Chocolate Flower Berlandiera lyrata Wildflower
- Chokecherry Prunus virginiana Berry
- Christmas Fern Polystichum acrostichoides Fern
- Christmas Rose Helleborus niger Garden perennial
- Clary Sage Salvia sclarea Herb
- Clasping Coneflower Dracopis amplexicaulis Wildflower
- Clasping Milkweed Asclepias amplexicaulis Wildflower
- Cliff Stonecrop Sedum glaucophyllum Creeping perennial
- Climbing Hydrangea Hydrangea anomala subsp. petiolaris Vine
- Cloth of Gold Crocus Crocus angustifolius Garden perennial
- Clustered Bellflower Campanula glomerata Garden perennial
- Clustered Field Sedge Carex praegracilis Grass sedge
- Clustered Mountain Mint Pycnanthemum muticum Wildflower
- Coastal Azalea Rhododendron atlanticum Flowering shrub
- Coastal Plain Joe Pye Weed Eutrochium dubium Wildflower
- Cobweb Houseleek Sempervivum arachnoideum Creeping perennial
- Cockspur Hawthorn Crataegus crus-galli Flowering tree
- Collard Greens Brassica oleracea var. viridis Brassica
- Colonial Bentgrass Agrostis capillaris Creeping perennial
- Colorado Four O'Clock Mirabilis multiflora Wildflower
- Columbia Lily Lilium columbianum Wildflower
- Columbine Meadow Rue Thalictrum aquilegifolium Garden perennial
- Comfrey Symphytum officinale Garden perennial
- Common Blanketflower Gaillardia aristata Wildflower
- Common Blue Violet Viola sororia Creeping perennial
- Common Evening Primrose Oenothera biennis Wildflower
- Common Grape Hyacinth Muscari botryoides Bulb
- Common Hackberry Celtis occidentalis Tree fruit
- Common Lilac Syringa vulgaris Flowering shrub
- Common Madia Madia elegans Wildflower
- Common Milkweed Asclepias syriaca Wildflower
- Common Ninebark Physocarpus opulifolius Flowering shrub
- Common Peony Paeonia officinalis Garden perennial
- Common Periwinkle Vinca minor Creeping perennial
- Common Pricklyash Zanthoxylum americanum Flowering shrub
- Common Selfheal Prunella vulgaris Creeping perennial
- Common Vetch Vicia sativa Legume
- Common Witch Hazel Hamamelis virginiana Flowering shrub
- Common Yarrow Achillea millefolium Wildflower
- Compass Plant Silphium laciniatum Wildflower
- Concord Grape Vitis labrusca Berry
- Coral Bells Heuchera sanguinea Garden perennial
- Coral Honeysuckle Lonicera sempervirens Vine
- Coralberry Symphoricarpos orbiculatus Flowering shrub
- Coriander Coriandrum sativum Herb
- Corn Zea mays Grain
- Cornelian Cherry Cornus mas Tree fruit
- Corsican Hellebore Helleborus argutifolius Garden perennial
- Corsican Sandwort Arenaria balearica Moss like
- Corsican Stonecrop Sedum dasyphyllum Creeping perennial
- Cottage Pink Dianthus plumarius Wildflower
- Cowslip Primula veris Wildflower
- Cranberry Vaccinium macrocarpon Berry
- Cranberry Cotoneaster Cotoneaster apiculatus Low shrub
- Crape Myrtle Lagerstroemia indica Flowering tree
- Creeping Baby's Breath Gypsophila repens Creeping perennial
- Creeping Bentgrass Agrostis stolonifera Creeping perennial
- Creeping Broadleaf Sedge Carex siderosticta Grass sedge
- Creeping Comfrey Symphytum grandiflorum Creeping perennial
- Creeping Cotoneaster Cotoneaster adpressus Creeping perennial
- Creeping Jacob's Ladder Polemonium reptans Creeping perennial
- Creeping Juniper Juniperus horizontalis Creeping perennial
- Creeping Lilyturf Liriope spicata Creeping perennial
- Creeping Mahonia Mahonia repens Creeping perennial
- Creeping Mazus Mazus miquelii Creeping perennial
- Creeping Phlox Phlox subulata Creeping perennial
- Creeping Raspberry Rubus hayata-koidzumii Creeping perennial
- Creeping Thyme Thymus praecox Creeping perennial
- Creeping Wire Vine Muehlenbeckia axillaris Creeping perennial
- Creeping Woodland Phlox Phlox stolonifera Creeping perennial
- Crested Iris Iris cristata Creeping perennial
- Cretan Tulip Tulipa saxatilis Bulb
- Crimson Clover Trifolium incarnatum Legume
- Crocus Tulip Tulipa humilis
- Crookedstem Aster Symphyotrichum prenanthoides Wildflower
- Crossvine Bignonia capreolata Vine
- Crown Imperial Fritillaria imperialis Bulb
- Culver's Root Veronicastrum virginicum Wildflower
- Cup Plant Silphium perfoliatum Wildflower
- Cupid's Dart Catananche caerulea Garden perennial
- Curlycup Gumweed Grindelia squarrosa Wildflower
- Cushion Buckwheat Eriogonum ovalifolium Creeping perennial
- Cushion Spurge Euphorbia epithymoides Garden perennial
- Cutleaf Balsamroot Balsamorhiza macrophylla Wildflower
- Cutleaf Coneflower Rudbeckia laciniata Wildflower
- Cyclamineus Daffodil Narcissus cyclamineus Bulb
- Cylindrical Blazing Star Liatris cylindracea
- Daffodil Narcissus pseudonarcissus
- Dahurian Rhododendron Rhododendron dauricum Flowering shrub
- Daikon Raphanus sativus var. longipinnatus Root
- Dalmatian Bellflower Campanula portenschlagiana Creeping perennial
- Damask Rose Rosa × damascena Flowering shrub
- Damianita Chrysactinia mexicana Flowering shrub
- Damson Plum Prunus domestica subsp. insititia Tree fruit
- Dandelion Taraxacum officinale Leafy
- Darley Dale Heath Erica × darleyensis Low shrub
- Davidson's Penstemon Penstemon davidsonii Creeping perennial