Skip to content
Log inStart trial

The database

Drought-tolerant plants

Low- and very-low-water plants for dry gardens, Mediterranean climates, and water-wise design.

2,235 plants

Drought-tolerant plants in the database

Honey Bush (Melianthus Major) — semi-evergreen shrub renowned for its unique ornamental features; blue-green pinnate leaves that add a striking, image 58

Shrub

Honey Bush

Melianthus Major

FullUSDA 9–11
Honey Locust (Gleditsia Triacanthos Inermis) — the tree requires minimal care; the tree reaches a mature height of 30 to 70 feet, image 73

Tree

Honey Locust

Gleditsia Triacanthos Inermis

FullUSDA 3–10
Honeymoon® French Kiss (Helleborus hybrid) — Thriving in USDA zones 4-9, it favors partial to full shade and well-drained soil

Perennial

Honeymoon® French Kiss

Helleborus hybrid

FullUSDA 4–9
Honeymoon® New York Night (Helleborus hybrid) — Helleborus 'New York Night' is an elegant perennial known for its deep

Perennial

Honeymoon® New York Night

Helleborus hybrid

FullUSDA 4–9
Honeymoon® Paris in Pink (Helleborus hybrid) — The Helleborus 'Paris in Pink' offers a delicate bloom from late winter to early spring

Perennial

Honeymoon® Paris in Pink

Helleborus hybrid

FullUSDA 4–9
Honeymoon® Rio Carnival (Helleborus hybrid) — The Helleborus 'Rio Carnival' is a captivating perennial

Perennial

Honeymoon® Rio Carnival

Helleborus hybrid

FullUSDA 4–9
Honeymoon® Romantic Getaway (Helleborus hybrid) — 2-3 inch creamy-white to soft pink blossoms accented by deep rose-pink flecks

Perennial

Honeymoon® Romantic Getaway

Helleborus hybrid

FullUSDA 4–9
Honeymoon® Rome in Red (Helleborus hybrid) — The Helleborus 'Rome in Red'

Perennial

Honeymoon® Rome in Red

Helleborus hybrid

FullUSDA 4–9
Hooker's Evening Primrose (Oenothera Elata Ssp. Hookeri) — Hooker's Evening Primrose creates a backdrop of mid-green foliage

Perennial

Hooker's Evening Primrose

Oenothera Elata Ssp. Hookeri

FullUSDA 4–10
Hoopsi Blue Spruce (Picea Pungens 'Hoopsii') — pyramidal tree reaches up to 50 feet in height and spreads 20 feet

Conifer

Hoopsi Blue Spruce

Picea Pungens 'Hoopsii'

FullUSDA 2–7
Hope Coneflower (Echinacea 'Hope') — Renowned for its larger-than-life flowers

Perennial

Hope Coneflower

Echinacea 'Hope'

FullUSDA 3–9
Horsetail Tree (Casuarina Equisetifolia) — It thrives in USDA Hardiness Zones 9 through 11, preferring full sun exposure and well-draining soils; it's able to

Tree

Horsetail Tree

Casuarina Equisetifolia

FullUSDA 9–10
Hosui Asian Pear (Pyrus Pyrifolia 'Hosui') — The 'Hosui' Asian Pear (Pyrus pyrifolia) is a prized cultivar known for its juicy, sweet fruit

Tree

Hosui Asian Pear

Pyrus Pyrifolia 'Hosui'

FullUSDA 4–8
Hot Lips Sage (Salvia 'Hot Lips') — Hot Lips Sage\'s aromatic foliage is deer-resistant

Perennial

Hot Lips Sage

Salvia 'Hot Lips'

FullUSDA 7–10
Hot Papaya Coneflower (Echinacea 'Hot Papaya') — double scarlet-orange blooms up to 3 inches across

Perennial

Hot Papaya Coneflower

Echinacea 'Hot Papaya'

FullUSDA 3–9
Hottentot Fig (Carpobrotus Edulis) — triangular leaves are a distinguishing characteristic

Ground cover

Hottentot Fig

Carpobrotus Edulis

FullUSDA 9–10
Humboldt Lily (Lilium Humboldtii) — loamy soils and are best situated in areas that receive ample sunlight

Bulb

Humboldt Lily

Lilium Humboldtii

FullUSDA 4–7
Hummingbird Sage (Salvia Spathacea) — ground cover / shrub with pink blooms

Ground cover

Hummingbird Sage

Salvia Spathacea

FullUSDA 9–10
Hungarian Oak (Quercus Frainetto) — turning to captivating shades of gold and brown in the fall; with a spread of 40-60 feet

Tree

Hungarian Oak

Quercus Frainetto

FullUSDA 6–8
Hybrid Halimiocistus (Halimiocistus Wintonensis) — low-growing shrub reaching around 12-18 inches tall and 24 inches wide

Perennial

Hybrid Halimiocistus

Halimiocistus Wintonensis

FullUSDA 7–9
Idaho Fescue (Festuca Idahoensis) — it performs optimally with full sun exposure but can endure partial shade

Grass

Idaho Fescue

Festuca Idahoensis

FullUSDA 6–10
Imbricata Echeveria (Echeveria 'Imbricata') — waiting until the soil is completely dry before thoroughly watering again

Succulent

Imbricata Echeveria

Echeveria 'Imbricata'

FullUSDA 9–11
Immortality Bearded Iris (Iris Bearded 'Immortality') — Reaching about 28-38 inches in height with a spread of 12-24 inches, it thrives in USDA zones 3-9

Perennial

Immortality Bearded Iris

Iris Bearded 'Immortality'

FullUSDA 3–10
Improved Lantana (Lantana Hybrids) — These hybrids are a crossbreeding triumph

Shrub

Improved Lantana

Lantana Hybrids

FullUSDA 9–10

Photographs are credited on each plant’s page.