Plants for zone 4

1181 plants hardy in USDA zone 4.

• Maltese Cross Lychnis chalcedonica Garden perennial
• Manchurian Lilac Syringa pubescens subsp. patula Flowering shrub
• Mapleleaf Viburnum Viburnum acerifolium Flowering shrub
• Marginal Wood Fern Dryopteris marginalis Fern
• Marionberry Rubus ursinus Berry
• Marsh Mallow Althaea officinalis Wildflower
• Marsh Marigold Caltha palustris Garden perennial
• Martagon Lily Lilium martagon Garden perennial
• Maryland Meadowbeauty Rhexia mariana Wildflower
• Maryland Senna Senna marilandica Wildflower
• Masterwort Astrantia major Garden perennial
• Mat Penstemon Penstemon caespitosus Creeping perennial
• Maximilian Sunflower Helianthus maximiliani Wildflower
• Mayapple Podophyllum peltatum Creeping perennial
• Meadow Blazing Star Liatris ligulistylis Wildflower
• Meadow Cranesbill Geranium pratense Garden perennial
• Meadow Phlox Phlox maculata Garden perennial
• Meadow Sage Salvia pratensis Wildflower
• Meadowsweet Filipendula ulmaria Wildflower
• Memorial Rose Rosa wichuraiana Flowering shrub
• Mexican Hat Ratibida columnifera Wildflower
• Meyer Lilac Syringa meyeri Flowering shrub
• Michael's Flower Fritillaria michailovskyi Bulb
• Michigan Lily Lilium michiganense Wildflower
• Miner's Lettuce Claytonia perfoliata Leafy
• Mint Mentha spicata Herb
• Miss Willmott's Ghost Eryngium giganteum Wildflower
• Missouri Evening Primrose Oenothera macrocarpa Creeping perennial
• Missouri Goldenrod Solidago missouriensis Wildflower
• Mizuna Brassica rapa var. japonica Leafy
• Mondo Grass Ophiopogon japonicus Creeping perennial
• Monkshood Aconitum napellus Garden perennial
• Moss Campion Silene acaulis Moss like
• Mossy Saxifrage Saxifraga × arendsii Creeping perennial
• Mottled Wild Ginger Hexastylis shuttleworthii Creeping perennial
• Mountain Alyssum Alyssum montanum Creeping perennial
• Mountain Avens Dryas octopetala Low shrub
• Mountain Everlasting Antennaria dioica Creeping perennial
• Mountain Fleece Persicaria amplexicaulis Garden perennial
• Mountain Goldenbanner Thermopsis montana Wildflower
• Mountain Laurel Kalmia latifolia Flowering shrub
• Mountain Pieris Pieris floribunda Flowering shrub
• Mountain Sandwort Arenaria montana Creeping perennial
• Mouse-Ear Tickseed Coreopsis auriculata Wildflower
• Mulberry Morus alba Tree fruit
• Mule Fat Baccharis salicifolia Flowering shrub
• Mule's Ears Wyethia amplexicaulis Wildflower
• Munro's Globemallow Sphaeralcea munroana Wildflower
• Musk Mallow Malva moschata Garden perennial
• Musk Rose Rosa moschata Flowering shrub
• Mustard Brassica juncea Brassica
• Naked Buckwheat Eriogonum nudum Wildflower
• Nannyberry Viburnum lentago Flowering shrub
• Napa Cabbage Brassica rapa subsp. pekinensis Brassica
• Naples Garlic Allium neapolitanum Allium
• Narrow-Leaved Coneflower Echinacea angustifolia Wildflower
• Narrowleaf Blazing Star Liatris punctata var. mucronata
• Narrowleaf Mountain Mint Pycnanthemum tenuifolium Wildflower
• Narrowleaf Willow Salix exigua Flowering shrub
• Needle Stonecrop Sedum lineare Creeping perennial
• Nemesia Nemesia strumosa Garden annual
• Nepal Cinquefoil Potentilla nepalensis Garden perennial
• Nettle-Leaved Mullein Verbascum chaixii Wildflower
• Nettleleaf Giant Hyssop Agastache urticifolia Wildflower
• New England Aster Symphyotrichum novae-angliae Wildflower
• New Jersey Tea Ceanothus americanus Flowering shrub
• New York Aster Symphyotrichum novi-belgii Garden perennial
• New York Fern Thelypteris noveboracensis Fern
• New York Ironweed Vernonia noveboracensis Wildflower
• New Zealand Bur Acaena microphylla Creeping perennial
• New Zealand Tea Tree Leptospermum scoparium Flowering shrub
• Night-Scented Stock Matthiola longipetala Garden annual
• Nineleaf Biscuitroot Lomatium triternatum Wildflower
• Nippon Daisy Nipponanthemum nipponicum Flowering shrub
• Nippon Spirea Spiraea nipponica Flowering shrub
• Nodding Ladies' Tresses Spiranthes cernua Wildflower
• Nodding Onion Allium cernuum Wildflower
• Nootka Lupine Lupinus nootkatensis Legume
• Nootka Rose Rosa nutkana Flowering shrub
• Northern Bush Honeysuckle Diervilla lonicera Flowering shrub
• Northern Catalpa Catalpa speciosa Flowering tree
• Northern Red Oak Quercus rubra Nut
• Northern Spicebush Lindera benzoin Herb
• Oak Fern Gymnocarpium dryopteris Fern
• Oat Avena sativa Grain
• Obedient Plant Physostegia virginiana Garden perennial
• Oca Oxalis tuberosa Root
• Oceanspray Holodiscus discolor Flowering shrub
• Ohio Buckeye Aesculus glabra Flowering tree
• Ohio Goldenrod Oligoneuron ohioense
• Ohio Spiderwort Tradescantia ohiensis Wildflower
• Oneflower Helianthella Helianthella uniflora Wildflower
• Oneleaf Onion Allium unifolium Allium
• Onion Allium cepa Allium
• Orach Atriplex hortensis Leafy
• Orange Coneflower Rudbeckia fulgida Wildflower
• Orange Honeysuckle Lonicera ciliosa Flowering shrub
• Orange Lily Lilium bulbiferum Garden perennial
• Oregano Origanum vulgare Herb
• Oregon Iris Iris tenax Wildflower
• Oriental Poppy Papaver orientale Garden perennial
• Orpine Hylotelephium telephium Succulent
• Ostrich Fern Matteuccia struthiopteris Leafy
• Oxeye Sunflower Heliopsis helianthoides Wildflower
• Pacific Bleeding Heart Dicentra formosa Wildflower
• Pacific Crabapple Malus fusca Flowering tree
• Pacific Ninebark Physocarpus capitatus Flowering shrub
• Pacific Silverweed Argentina egedii Creeping perennial
• Pagoda Dogwood Cornus alternifolia Flowering tree
• Painted Daisy Tanacetum coccineum Garden perennial
• Pale Beardtongue Penstemon pallidus Wildflower
• Pale Purple Coneflower Echinacea pallida Wildflower
• Paleleaf Sunflower Helianthus strumosus Wildflower
• Palm Sedge Carex muskingumensis Grass sedge
• Panicle Hydrangea Hydrangea paniculata Flowering shrub
• Pansy Viola × wittrockiana Garden annual
• Paper Birch Betula papyrifera
• Parsley Petroselinum crispum Herb
• Parsley Hawthorn Crataegus marshallii Flowering tree
• Parsnip Pastinaca sativa Root