The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Hidcote Superior English Lavender (Lavandula angustifolia 'Hidcote Giant') — commonly known as the Hidcote Superior English Lavender

Hidcote Superior English Lavender

Lavandula angustifolia 'Hidcote Giant'

Full · Zones 5–10

Himalayan Cobra Lily (Arisaema consanguineum) — Arisaema consanguineum, or the Himalayan Cobra Lily, is a striking perennial reaching 1-3 feet in height

Himalayan Cobra Lily

Arisaema consanguineum

Deep Shade · Zones 4–9

Hinahina, White Heliotrope (Heliotropium Anomalum Argenteum) — or White Heliotrope (Heliotropium anomalum argenteum)

Hinahina, White Heliotrope

Heliotropium Anomalum Argenteum

Full · Zones 11–11

Hoary Skullcap (Scutellaria Incana) — The Hoary Skullcap (Scutellaria incana) is a perennial native to North America, thriving in USDA zones 4-8

Hoary Skullcap

Scutellaria Incana

Full · Zones 4–9

Hollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals

Hollyhock

Alcea Rosea

Full · Zones 3–10

Holly's White Penstemon (Penstemon 'Holly's White') — boasts trumpet-shaped white blooms with a hint of pale pink

Holly's White Penstemon

Penstemon 'Holly's White'

Full · Zones 7–9

Holway Sage (Salvia Holwayi) — Holway Sage (Salvia holwayi) is a perennial shrub reaching up to 4ft in height

Holway Sage

Salvia Holwayi

Full · Zones 9–11

Honeymoon® French Kiss (Helleborus hybrid) — Thriving in USDA zones 4-9, it favors partial to full shade and well-drained soil

Honeymoon® French Kiss

Helleborus hybrid

Full · Zones 4–9

Honeymoon® New York Night (Helleborus hybrid) — Helleborus 'New York Night' is an elegant perennial known for its deep

Honeymoon® New York Night

Helleborus hybrid

Full · Zones 4–9

Honeymoon® Paris in Pink (Helleborus hybrid) — The Helleborus 'Paris in Pink' offers a delicate bloom from late winter to early spring

Honeymoon® Paris in Pink

Helleborus hybrid

Full · Zones 4–9

Honeymoon® Rio Carnival (Helleborus hybrid) — The Helleborus 'Rio Carnival' is a captivating perennial

Honeymoon® Rio Carnival

Helleborus hybrid

Full · Zones 4–9

Honeymoon® Romantic Getaway (Helleborus hybrid) — 2-3 inch creamy-white to soft pink blossoms accented by deep rose-pink flecks

Honeymoon® Romantic Getaway

Helleborus hybrid

Full · Zones 4–9

Honeymoon® Rome in Red (Helleborus hybrid) — The Helleborus 'Rome in Red'

Honeymoon® Rome in Red

Helleborus hybrid

Full · Zones 4–9

Honorine Jobert Japanese Anemone (Anemone X Hybrida 'Honorine Jobert') — This Japanese Anemone blooms profusely in late summer to fall

Honorine Jobert Japanese Anemone

Anemone X Hybrida 'Honorine Jobert'

Full · Zones 4–8

Hooker's Evening Primrose (Oenothera Elata Ssp. Hookeri) — Hooker's Evening Primrose (Oenothera elata ssp

Hooker's Evening Primrose

Oenothera Elata Ssp. Hookeri

Full · Zones 4–10

Hope Coneflower (Echinacea 'Hope') — The Echinacea 'Hope' is a perennial bearing soft pink flowers with a fragrance that lures pollinators

Hope Coneflower

Echinacea 'Hope'

Full · Zones 3–9

Horatio Goatsbeard (Aruncus 'Horatio') — Aruncus 'Horatio', commonly known as Horatio Goatsbeard, is a perennial valued for its plume-like flowers

Horatio Goatsbeard

Aruncus 'Horatio'

Half · Zones 4–7

Horned Spurge, Tintern Spurge (Euphorbia Ceratocarpa) — commonly known as Horned or Tintern Spurge

Horned Spurge, Tintern Spurge

Euphorbia Ceratocarpa

Full · Zones 5–9

Horsemint (Monarda Punctuata) — thrives in US hardiness zones 4 through 9

Horsemint

Monarda Punctuata

Full · Zones 4–9

Horsetail (Equisetum Hyemale) — also known as Scouring Rush

Horsetail

Equisetum Hyemale

Half · Zones 9–10

Horsetail Restio (Elegia Capensis) — The Horsetail Restio, Elegia capensis, is a striking, evergreen perennial native to South Africa

Horsetail Restio

Elegia Capensis

Half · Zones 10–11

Hosta (Hybrid) Assorted (Hosta Hybrids) — Hosta hybrids, robust perennials, thrive in Part Shade/Shade (4-6 hrs of light)

Hosta (Hybrid) Assorted

Hosta Hybrids

Deep Shade · Zones 6–9

Hosta Species (Hosta Sp.) — are herbaceous perennials prized for their lush foliage which varies from vibrant green to gold

Hosta Species

Hosta Sp.

Deep Shade · Zones 3–9

Hot Lips Sage (Salvia 'Hot Lips') — It thrives in full sun to partial shade and blooms from early summer to frost

Hot Lips Sage

Salvia 'Hot Lips'

Full · Zones 7–10