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The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Merlin Hellebore (Helleborus 'Merlin') — The enchanting Merlin Hellebore

Perennial

Merlin Hellebore

Helleborus 'Merlin'

FullUSDA 5–9
Merlot Coneflower (Echinacea 'Merlot') — raspberry-pink flowers with a striking reddish-brown central cone

Perennial

Merlot Coneflower

Echinacea 'Merlot'

FullUSDA 3–9
Meteor Shower® Verbena (Verbena bonariensis) — It grows 20-30 inches tall and 8-12 inches wide, bringing pollinator-friendly height to containers and borders

Perennial

Meteor Shower® Verbena

Verbena bonariensis

FullUSDA 7–11
Mexican Bluebell (Ruellia Simplex) — The flowers can range in hue from deep blue to purples and even to white; is a vibrant and versatile perennial, image 87

Perennial

Mexican Bluebell

Ruellia Simplex

FullUSDA 8–11
Mexican Cigar Plant (Cuphea Ignea 'Matchless') — orange-red flowers mimicking lit cigars

Perennial

Mexican Cigar Plant

Cuphea Ignea 'Matchless'

FullUSDA 9–10
Mexican Evening Primrose (Oenothera Speciosa) — this plant is also a favorite among pollinators

Ground cover

Mexican Evening Primrose

Oenothera Speciosa

FullUSDA 9–10
Mexican Hat (Ratibida Columnifera) — or perennial borders.<br><br>Preferring full sun and well-drained soil

Perennial

Mexican Hat

Ratibida Columnifera

FullUSDA 3–10
Mexican Marigold (Tagetes Lemmonii) — It's essential to note that while hardy

Perennial

Mexican Marigold

Tagetes Lemmonii

FullUSDA 8–10
Mexican Ruellia (Ruellia Brittoniana) — purple flowers in the garden

Perennial

Mexican Ruellia

Ruellia Brittoniana

FullUSDA 8–11
Mexican Tarragon (Tagetes Lucida) — requiring minimal care while delivering continuous interest and utility

Perennial

Mexican Tarragon

Tagetes Lucida

FullUSDA 9–11
Mexican Tulip Poppy (Hunnemannia Fumariifolia) — dissected foliage that elegantly contrasts its cup-shaped

Perennial

Mexican Tulip Poppy

Hunnemannia Fumariifolia

FullUSDA 9–10
Midnight Rose Alum Root (Heuchera 'Midnight Rose') — reaches 10-12 inches in height with up to an 18-inch spread

Perennial

Midnight Rose Alum Root

Heuchera 'Midnight Rose'

HalfUSDA 3–10
Milkshake Coneflower (Echinacea 'Milkshake') — Resilient in zones 3-9, it thrives in full sun to partial shade and requires well-drained soil

Perennial

Milkshake Coneflower

Echinacea 'Milkshake'

FullUSDA 3–9
Miniature Annual Daisy (Chrysanthemum Paludosum) — It boasts daisy-like white blooms with sunny yellow centers, spanning about 1-2 inches across

Annual

Miniature Annual Daisy

Chrysanthemum Paludosum

FullUSDA 5–10
Miniature Variegated Sedge (Carex Conica 'Snowline') — a captivating dwarf sedge

Grass

Miniature Variegated Sedge

Carex Conica 'Snowline'

HalfUSDA 7–9
Minuteman Hosta (Hosta 'Minuteman') — It features deep green leaves with bold, pure white margins, creating a dramatic contrast

Perennial

Minuteman Hosta

Hosta 'Minuteman'

HalfUSDA 3–9
Miss Manners Obedient Plant (Physostegia Vir. 'Miss Manners') — is a clump-forming perennial boasting pure white

Perennial

Miss Manners Obedient Plant

Physostegia Vir. 'Miss Manners'

FullUSDA 4–8
Missouri Primrose (Oenothera Missourensis) — Blooms from late spring to early fall, attracting pollinators; yellow flowers up to 5 inches wide, image 52

Ground cover

Missouri Primrose

Oenothera Missourensis

FullUSDA 4–10
Monkey Flower (Mimulus X Hybridus) — Typically grows 1-2 feet tall with a 1-foot spread; to keep the soil consistently moist but not waterlogged, image 81

Perennial

Monkey Flower

Mimulus X Hybridus

FullUSDA 8–10
Monkshood (Aconitum Napellus) — thus it should be placed with caution; exercise caution: all parts are highly toxic if ingested, image 94

Perennial

Monkshood

Aconitum Napellus

FullUSDA 3–7
Montbretia (Crocosmia X `Emily Mckenzie`) — can ensure this Crocosmia remains a beloved and enduring component of their garden; boasting vibrant, image 75

Bulb

Montbretia

Crocosmia X `Emily Mckenzie`

FullUSDA 5–9
Moonbeam Threadleaf Coreopsis (Coreopsis Verticillata 'Moonbeam') — perennial for full; offering a harmonious color contrast and texture variation that can

Perennial

Moonbeam Threadleaf Coreopsis

Coreopsis Verticillata 'Moonbeam'

FullUSDA 6–10
Moonraker Cape Fuchsia (Phygelius X Rectus 'Moonraker') — It boasts tubular, creamy-yellow blooms atop lush, lance-shaped foliage

Perennial

Moonraker Cape Fuchsia

Phygelius X Rectus 'Moonraker'

FullUSDA 6–9
Moonshine Lungwort (Pulmonaria 'Moonshine') — presents a marvelous display of silver foliage beneath clusters of cobalt blue

Ground cover

Moonshine Lungwort

Pulmonaria 'Moonshine'

Deep ShadeUSDA 3–9

Photographs are credited on each plant’s page.