The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Praying Hands Hosta (Hosta 'Praying Hands') — The Hosta 'Praying Hands' showcases uniquely upright

Praying Hands Hosta

Hosta 'Praying Hands'

Half · Zones 3–8

Pretoria Canna Lily (Canna 'Pretoria') — the flower stalks can reach an impressive height of about 4 to 6 feet

Pretoria Canna Lily

Canna 'Pretoria'

Full · Zones 7–11

Pretty Face, Golden Brodiaea (Triteleia Ixioides) — Triteleia ixioides, commonly known as Pretty Face or Golden Brodiaea, is a charming bulbous perennial

Pretty Face, Golden Brodiaea

Triteleia Ixioides

Full · Zones 7–11

Prickly Phlox (Linanthus Californicus) — Prickly Phlox (Linanthus californicus) is an evergreen shrub native to California

Prickly Phlox

Linanthus Californicus

Full · Zones 9–11

Prickly Poppy (Argemone Munita) — Prickly Poppy (Argemone munita) is a striking perennial with a bold presence

Prickly Poppy

Argemone Munita

Full · Zones 3–10

Primadonna White Coneflower (Echinacea 'Primadonna White') — The Echinacea 'Primadonna White,' commonly known as the Primadonna White Coneflower

Primadonna White Coneflower

Echinacea 'Primadonna White'

Full · Zones 3–9

Prince's Plume (Stanleya Pinnata) — Prince's Plume (Stanleya pinnata) is an eye-catching perennial reaching heights of 3-6 ft

Prince's Plume

Stanleya Pinnata

Full · Zones 9–10

Princess Louise Oriental Poppy (Papaver Orientale 'Princess Louise') — This perennial reaches 2-3 feet in height and spreads up to 1 foot, flourishing in full

Princess Louise Oriental Poppy

Papaver Orientale 'Princess Louise'

Full · Zones 3–8

Puget Sound Gumweed (Grindelia Integrifolia) — The Puget Sound Gumweed, or Grindelia integrifolia, is a hardy perennial native to the Pacific Northwest

Puget Sound Gumweed

Grindelia Integrifolia

Full · Zones 5–10

Punch Geranium (Pelargonium 'Punch') — Pelargonium 'Punch', a vibrant Punch Geranium, flaunts lush foliage and vivid blooms

Punch Geranium

Pelargonium 'Punch'

Full · Zones 9–10

Purity Evergreen Candytuft (Iberis Sempervirens 'Snowflake') — is a compact perennial ground cover reaching 6-12 inches high with a 12-18 inch spread

Purity Evergreen Candytuft

Iberis Sempervirens 'Snowflake'

Full · Zones 3–9

Purity Evergreen Candytuft (Iberis Sempervirens 'Purity') — This groundcover reaches up to 12 inches in height and spreads up to 18 inches

Purity Evergreen Candytuft

Iberis Sempervirens 'Purity'

Full · Zones 3–10

Purple Beauty Phlox (Phlox Subulata 'Purple Beauty') — Phlox subulata 'Emerald Pink'

Purple Beauty Phlox

Phlox Subulata 'Purple Beauty'

Full · Zones 3–10

Purple Candles False Spirea (Astilbe Chinensis 'Purple Candles') — thrives in partial shade to full shade and moist conditions

Purple Candles False Spirea

Astilbe Chinensis 'Purple Candles'

Full · Zones 4–9

Purple Coneflower (Echinacea Purpurea) — The Purple Coneflower, Echinacea purpurea, is a hardy perennial that thrives in zones 3-9

Purple Coneflower

Echinacea Purpurea

Full · Zones 3–9

Purple Dog Violet (Viola Riviniana 'Purpurea') — The Purple Dog Violet, Viola riviniana 'Purpurea', dazzles with modest, purple blooms in the spring

Purple Dog Violet

Viola Riviniana 'Purpurea'

Half · Zones 6–10

Purple Dome New England Aster (Aster Novae-Angliae 'Purple Dome') — It boasts a prolific display of vibrant purple, daisy-like flowers with yellow centers each

Purple Dome New England Aster

Aster Novae-Angliae 'Purple Dome'

Full · Zones 3–8

Purple Dragon Dead Nettle (Lamium Maculatum 'Purple Dragon') — Lamium maculatum 'Purple Dragon' is an attractive, low-growing perennial

Purple Dragon Dead Nettle

Lamium Maculatum 'Purple Dragon'

Deep Shade · Zones 3–10

Purple Fan Flower (Scaevola 'Purple Fan') — evergreen groundcover boasting unique fan-shaped

Purple Fan Flower

Scaevola 'Purple Fan'

Full · Zones 9–10

Purple Flame Phlox (Phlox Flame‚Ñ¢ Series Purple) — known for its vivid purple blossoms with a lighter center

Purple Flame Phlox

Phlox Flame‚Ñ¢ Series Purple

Full · Zones 3–8

Purple Garden Sage (Salvia Officinalis 'Purpurascens') — Prefers well-drained soil and is drought tolerant once established

Purple Garden Sage

Salvia Officinalis 'Purpurascens'

Full · Zones 8–10

Purple Haze Hummingbird Mint (Agastache 'Purple Haze') — commonly known as Purple Haze Hummingbird Mint

Purple Haze Hummingbird Mint

Agastache 'Purple Haze'

Full · Zones 5–10

Purple Heart Plantain Lily (Hosta 'Purple Heart') — The Hosta 'Purple Heart' is a perennial displaying lush green leaves accented by striking, deep purple stems

Purple Heart Plantain Lily

Hosta 'Purple Heart'

Shade · Zones 3–9

Purple Heart, Purple Queen (Tradescantia Pallida 'Purpurea') — Tradescantia pallida 'Purpurea,' commonly called Purple Heart or Purple Queen

Purple Heart, Purple Queen

Tradescantia Pallida 'Purpurea'

Full · Zones 9–10