The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

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

Hardy Elephant Ears

Alocasia Wentii

Deep Shade · Zones 9–11

Hardy Fuchsia (Fuchsia Magellanica) — with deep purple corollas and red sepals

Hardy Fuchsia

Fuchsia Magellanica

Half · Zones 7–9

Hardy Gloxinia (Incarvillea Delavayi) — The Hardy Gloxinia, Incarvillea delavayi, thrives in USDA Zones 5-9, favoring full sun to partial shade

Hardy Gloxinia

Incarvillea Delavayi

Full · Zones 5–10

Hardy Pampas Grass, Ravenna Grass (Erianthus Ravennae) — is a robust perennial reaching 9-12 feet tall

Hardy Pampas Grass, Ravenna Grass

Erianthus Ravennae

Full · Zones 5–10

Harebell (Campanula Rotundifolia) — Botanical Name: Campanula rotundifolia<br><br>Common Name: Harebell<br><br>The Harebell

Harebell

Campanula Rotundifolia

Half · Zones 3–7

Hartweg's Sundrops (Calylophus Hartwegii Var. Fendleri) — Sundrops (Calylophus Hartwegii var

Hartweg's Sundrops

Calylophus Hartwegii Var. Fendleri

Full · Zones 10–10

Hartwegs Sundrops (Calylophus Hartwegii) — commonly known as Hartweg's Sundrops

Hartwegs Sundrops

Calylophus Hartwegii

Full · Zones 10–10

Hawaiian Ti Plant (Cordyline Terminalis) — consider placing it as a focal point or in groups to achieve a lush

Hawaiian Ti Plant

Cordyline Terminalis

Full · Zones 8–11

Heartleaf Bergenia (Bergenia Cordifolia) — Bergenia cordifolia, commonly known as Heartleaf Bergenia, is an evergreen perennial

Heartleaf Bergenia

Bergenia Cordifolia

Half · Zones 3–10

Heartleaf Brunnera (Brunnera 'Jack Frost') — Heartleaf Brunnera 'Jack Frost' is an herbaceous perennial

Heartleaf Brunnera

Brunnera 'Jack Frost'

Deep Shade · Zones 3–8

Heart-Leaf Milkweed (Asclepias Cordiflolia) — blooming late spring to early summer

Heart-Leaf Milkweed

Asclepias Cordiflolia

Full · Zones 7–10

Heartleaf Pelargonium (Pelargonium Cordifolium) — features velvety heart-shaped leaves with an enchanting citrus scent

Heartleaf Pelargonium

Pelargonium Cordifolium

Full · Zones 9–11

Heartleaf Seakale, Colewort (Crambe Cordifolia) — Heartleaf Seakale, or Crambe cordifolia, is a striking perennial boasting large, heart-shaped leaves

Heartleaf Seakale, Colewort

Crambe Cordifolia

Full · Zones 5–9

Hearts And Flowers (Aptenia Cordifolia) — commonly known as Hearts and Flowers

Hearts And Flowers

Aptenia Cordifolia

Full · Zones 9–11

Heavenly Blue Bluebeard (Caryopteris x clandonensis 'Heavenly Blue') — is a compact deciduous shrub reaching 2-3 feet in height and width

Heavenly Blue Bluebeard

Caryopteris x clandonensis 'Heavenly Blue'

Full · Zones 5–9

Heavenly Blue Lithodora (Lithodora Diffusa 'Heavenly Blue') — The Lithodora diffusa 'Heavenly Blue', commonly known as Heavenly Blue Lithodora, is a vibrant

Heavenly Blue Lithodora

Lithodora Diffusa 'Heavenly Blue'

Full · Zones 5–11

Heavy Metal Switch Grass (Panicum Virgatum 'Heavy Metal') — is a North American native perennial grass known for its metallic blue-green foliage

Heavy Metal Switch Grass

Panicum Virgatum 'Heavy Metal'

Full · Zones 5–9

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

Heidi Yarrow

Achillea 'Heidi'

Full · Zones 2–10

Helene Von Stein Big Lamb's Ear (Stachys Byzantina 'Helene Von Stein') — The Helene von Stein Big Lamb's Ear (Stachys byzantina 'Helene von Stein') is a robust

Helene Von Stein Big Lamb's Ear

Stachys Byzantina 'Helene Von Stein'

Full · Zones 3–9

Heliotrope (Heliotropium Arborescens 'Alba') — a charming perennial widely known as the White Heliotrope

Heliotrope

Heliotropium Arborescens 'Alba'

Full · Zones 10–11

Herrenhausen Purple Oregano (Origanum laevigatum 'Herrenhausen') — is a perennial herb boasting aromatic foliage and striking purple-pink blooms

Herrenhausen Purple Oregano

Origanum laevigatum 'Herrenhausen'

Full · Zones 5–9

Heuchera Coral Bells (Heuchera 'Gotham') — a striking Coral Bells cultivar

Heuchera Coral Bells

Heuchera 'Gotham'

Half · Zones 3–10

Hidcote English Lavender (Lavandula angustifolia 'Hidcote') — The Hidcote English Lavender (Lavandula angustifolia 'Hidcote') is a compact evergreen shrub

Hidcote English Lavender

Lavandula angustifolia 'Hidcote'

Full · Zones 9–11

Hidcote Pink Penstemon (Penstemon 'Hidcote Pink') — The Penstemon 'Hidcote Pink', a striking perennial, showcases tubular pink blooms atop slender, 2-3 foot

Hidcote Pink Penstemon

Penstemon 'Hidcote Pink'

Full · Zones 7–9