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Perennials

Herbaceous perennials that return year after year.

1,429 plants

Perennials in the database

Hardy Elephant Ears (Alocasia Wentii) — metallic green leaves with purple undersides

Perennial

Hardy Elephant Ears

Alocasia Wentii

Deep ShadeUSDA 9–11
Hardy Fuchsia (Fuchsia Magellanica) — Ideal for borders or as an accent plant

Perennial

Hardy Fuchsia

Fuchsia Magellanica

HalfUSDA 7–9
Hardy Gloxinia (Incarvillea Delavayi) — pink flowers in the garden; flourishing in USDA zones 5 through 8

Perennial

Hardy Gloxinia

Incarvillea Delavayi

FullUSDA 5–10
Hardy Pampas Grass, Ravenna Grass (Erianthus Ravennae) — requiring minimal maintenance while offering dramatic height and movement

Grass

Hardy Pampas Grass, Ravenna Grass

Erianthus Ravennae

FullUSDA 5–10
Harebell (Campanula Rotundifolia) — it requires well-drained soil

Perennial

Harebell

Campanula Rotundifolia

HalfUSDA 3–7
Hartweg's Sundrops (Calylophus Hartwegii Var. Fendleri) — yellow flowers in the garden; clumping form typically reaching heights of 12 to 18 inches

Ground cover

Hartweg's Sundrops

Calylophus Hartwegii Var. Fendleri

FullUSDA 10–10
Hartwegs Sundrops (Calylophus Hartwegii) — Calylophus hartwegii, or Hartweg's Sundrops, is a vibrant perennial native to the Southwest

Ground cover

Hartwegs Sundrops

Calylophus Hartwegii

FullUSDA 10–10
Hawaiian Ti Plant (Cordyline Terminalis) — Seasonal blooms, purple or white, appear atop 1 ft stalks; vibrant leaves arching 1-2 ft long, image 155

Perennial

Hawaiian Ti Plant

Cordyline Terminalis

FullUSDA 8–11
Heartleaf Bergenia (Bergenia Cordifolia) — heart-shaped leaves that can reach up to 6 to 8 inches in width and a similar length; allowing them to form a dense

Ground cover

Heartleaf Bergenia

Bergenia Cordifolia

HalfUSDA 3–10
Heartleaf Brunnera (Brunnera 'Jack Frost') — it provides a substantial ground cover without overpowering companion plantings

Ground cover

Heartleaf Brunnera

Brunnera 'Jack Frost'

Deep ShadeUSDA 3–8
Heart-Leaf Milkweed (Asclepias Cordiflolia) — blooming late spring to early summer

Perennial

Heart-Leaf Milkweed

Asclepias Cordiflolia

FullUSDA 7–10
Heartleaf Pelargonium (Pelargonium Cordifolium) — Boasting a compact growth habit

Perennial

Heartleaf Pelargonium

Pelargonium Cordifolium

FullUSDA 9–11
Heartleaf Seakale, Colewort (Crambe Cordifolia) — In early summer, airy clusters of tiny white blossoms form a frothy cloud above its foliage

Perennial

Heartleaf Seakale, Colewort

Crambe Cordifolia

FullUSDA 5–9
Hearts And Flowers (Aptenia Cordifolia) — the Hearts and Flowers plant flourishes in full sun to partial shade and prefers well-draining soil; in the warmer

Ground cover

Hearts And Flowers

Aptenia Cordifolia

FullUSDA 9–11
Heavenly Blue Bluebeard (Caryopteris x clandonensis 'Heavenly Blue') — deep blue flowers that bloom from late summer to fall

Perennial

Heavenly Blue Bluebeard

Caryopteris x clandonensis 'Heavenly Blue'

FullUSDA 5–9
Heavenly Blue Lithodora (Lithodora Diffusa 'Heavenly Blue') — offering an eye-catching display.<br><br>For optimal growth

Ground cover

Heavenly Blue Lithodora

Lithodora Diffusa 'Heavenly Blue'

FullUSDA 5–11
Heavy Metal Switch Grass (Panicum Virgatum 'Heavy Metal') — Reaching 4 to 5 feet in height with a 2 to 3 feet spread

Grass

Heavy Metal Switch Grass

Panicum Virgatum 'Heavy Metal'

FullUSDA 5–9
Heidi Yarrow (Achillea 'Heidi') — Achillea 'Heidi', known as Heidi Yarrow, is a hardy perennial offering summer-long blooms

Perennial

Heidi Yarrow

Achillea 'Heidi'

FullUSDA 2–10
Helene Von Stein Big Lamb's Ear (Stachys Byzantina 'Helene Von Stein') — scientifically termed Stachys byzantina 'Helene von Stein'

Ground cover

Helene Von Stein Big Lamb's Ear

Stachys Byzantina 'Helene Von Stein'

FullUSDA 3–9
Heliotrope (Heliotropium Arborescens 'Alba') — However, in regions with intense heat, partial afternoon shade will help protect it

Perennial

Heliotrope

Heliotropium Arborescens 'Alba'

FullUSDA 10–11
Herrenhausen Purple Oregano (Origanum laevigatum 'Herrenhausen') — flourishing in full sun to light shade

Herb

Herrenhausen Purple Oregano

Origanum laevigatum 'Herrenhausen'

FullUSDA 5–9
Heuchera Coral Bells (Heuchera 'Gotham') — a striking Coral Bells cultivar

Ground cover

Heuchera Coral Bells

Heuchera 'Gotham'

HalfUSDA 3–10
Hidcote English Lavender (Lavandula angustifolia 'Hidcote') — The Hidcote English Lavender (Lavandula angustifolia 'Hidcote') is a compact evergreen shrub

Herb

Hidcote English Lavender

Lavandula angustifolia 'Hidcote'

FullUSDA 9–11
Hidcote Pink Penstemon (Penstemon 'Hidcote Pink') — Ideal in USDA zones 3-8, it thrives in full sun to partial shade, in well-drained soil

Perennial

Hidcote Pink Penstemon

Penstemon 'Hidcote Pink'

FullUSDA 7–9

Photographs are credited on each plant’s page.