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The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Regal Splendor Hosta (Hosta 'Regal Splendor') — a cultivar of the extensive Hosta family

Perennial

Regal Splendor Hosta

Hosta 'Regal Splendor'

HalfUSDA 3–9
Remember Me Hosta (Hosta 'Remember Me') — The Hosta 'Remember Me' is a striking perennial showcasing a dynamic color transformation

Perennial

Remember Me Hosta

Hosta 'Remember Me'

HalfUSDA 3–9
Reticulated Iris (Iris Reticulata) — The Reticulated Iris (Iris reticulata) is a spring-blooming bulbous perennial

Perennial

Reticulated Iris

Iris Reticulata

FullUSDA 5–9
Revolution Hosta (Hosta 'Revolution') — The 'Revolution' Hosta is a striking perennial

Perennial

Revolution Hosta

Hosta 'Revolution'

HalfUSDA 3–9
Rex Begonia (Begonia 'Rex') — it will re-emerge with vigor in the spring; perennial for full or half or shade

Perennial

Rex Begonia

Begonia 'Rex'

FullUSDA 3–10
Rheinland False Spirea (Astilbe 'Rheinland') — it thrives in part to full shade with moist

Perennial

Rheinland False Spirea

Astilbe 'Rheinland'

FullUSDA 4–9
Richard's Red Monkey Flower (Mimulus 'Richard's Red') — Mimulus 'Richard's Red', a vibrant perennial, features striking crimson blooms with a luscious velvety

Perennial

Richard's Red Monkey Flower

Mimulus 'Richard's Red'

FullUSDA 9–10
Richmond Begonia (Begonia 'Richmondensis') — this begonia is a low-maintenance option for adding soft color and texture to the landscape

Perennial

Richmond Begonia

Begonia 'Richmondensis'

HalfUSDA 3–10
Rio Coral Bells (Heuchera 'Rio') — commonly known as Rio Coral Bells

Ground cover

Rio Coral Bells

Heuchera 'Rio'

HalfUSDA 3–10
Rockfoil (Saxifraga X Arendsii) — Saxifraga x arendsii, commonly known as Rockfoil, is a resilient perennial ideal for rock gardens; moist soil and, image 43

Ground cover

Rockfoil

Saxifraga X Arendsii

Deep ShadeUSDA 5–7
Rock Purslane (Calandrinia Grandiflora) — bluish-green foliage and produces vivid magenta blossoms; each blossom spans approximately 2 to 3 inches, image 42

Ground cover

Rock Purslane

Calandrinia Grandiflora

FullUSDA 3–10
Rockrose (Cistus 'Mickie') — and it's also deer-resistant; growing up to 3 feet in height and 5 feet wide, its wavy, gray-green foliage is dense and sticky

Perennial

Rockrose

Cistus 'Mickie'

FullUSDA 8–10
Rocky Point Ice Plant (Malephora Lutea) — scientifically known as Malephora lutea

Ground cover

Rocky Point Ice Plant

Malephora Lutea

FullUSDA 8–11
Rodgersia (Rodgersia 'Bronze Peacock') — Distinguished by its robust; a striking herbaceous perennial

Perennial

Rodgersia

Rodgersia 'Bronze Peacock'

HalfUSDA 5–8
Roemer's Sage (Salvia Roemeriana) — Cedar Sage (Salvia roemeriana) is a vibrant, shade-loving perennial

Perennial

Roemer's Sage

Salvia Roemeriana

FullUSDA 3–8
Rosea Yarrow (Achillea Millefolium 'Rosea') — This foliage is aromatic when crushed

Perennial

Rosea Yarrow

Achillea Millefolium 'Rosea'

FullUSDA 3–10
Rose Campion (Lychnis Coronaria) — perennial with red blooms; such as Echinacea or Salvia, image 154

Perennial

Rose Campion

Lychnis Coronaria

FullUSDA 4–10
Rose Meadow Salvia (Salvia Nemorosa 'Rose Marvel') — commonly referred to as Rose Meadow Salvia

Perennial

Rose Meadow Salvia

Salvia Nemorosa 'Rose Marvel'

FullUSDA 4–9
Rose Muhly (Muhlenbergia Reverchonii) — Esteemed for its feathery pink to rose-red inflorescences that bloom in late summer to fall

Grass

Rose Muhly

Muhlenbergia Reverchonii

FullUSDA 5–10
Rose Verbena (Verbena Canadensis) — Sweet William offers delightful fragrance and attracts pollinators while being deer-resistant; showcasing an, image 51

Ground cover

Rose Verbena

Verbena Canadensis

HalfUSDA 8–10
Rosy Returns Daylily (Hemerocallis 'Rosy Returns') — This cultivar is part of the ever-popular daylily family and is distinguished by its vibrant rosy-pink

Perennial

Rosy Returns Daylily

Hemerocallis 'Rosy Returns'

FullUSDA 5–11
Rough Blazingstar (Liatris Aspera) — it's drought-resistant once established

Perennial

Rough Blazingstar

Liatris Aspera

FullUSDA 3–9
Roundleaf Alumroot (Heuchera Cylindrica) — Ideal for border fronts and woodland settings

Ground cover

Roundleaf Alumroot

Heuchera Cylindrica

HalfUSDA 4–9
Royal Beard Tongue (Penstemon Spectabilis) — Thriving in full sun to part shade, it‚Äôs ideal in US hardiness zones 7-10

Perennial

Royal Beard Tongue

Penstemon Spectabilis

FullUSDA 8–11

Photographs are credited on each plant’s page.