Skip to content

The database

Drought-tolerant plants

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

2,235 plants

Nu™eg Scented Geranium (Pelargonium Fragrans) — The Nu™eg Scented Geranium (Pelargonium fragrans) is a fragrant perennial

Nu™eg Scented Geranium

Pelargonium Fragrans

Full · Zones 9–10

Nuttall's Oak (Quercus Texana) — quickly grows to a robust height of 40-60 feet with a spread of 25-35 feet

Nuttall's Oak

Quercus Texana

Full · Zones 7–11

Obsidian Alum Root (Heuchera 'Obsidian') — Heuchera 'Obsidian', known as Obsidian Alum Root, is cherished for its stunning, nearly black, glossy foliage

Obsidian Alum Root

Heuchera 'Obsidian'

Half · Zones 4–9

Ocean Spray (Holodiscus Discolor) — a North American native shrub

Ocean Spray

Holodiscus Discolor

Full · Zones 4–7

Ocotillo, Coachman's Whip (Fouquieria Splendens) — The Ocotillo (Fouquieria splendens)

Ocotillo, Coachman's Whip

Fouquieria Splendens

Full · Zones 9–10

October Daphne (Sedum Sieboldii) — adds a splash of color with its pinkish-purple flowers and blue-green foliage

October Daphne

Sedum Sieboldii

Full · Zones 3–10

October Glory Red Maple (Acer Rubrum 'October Glory') — showcasing vibrant shades of red and orange

October Glory Red Maple

Acer Rubrum 'October Glory'

Full · Zones 3–10

Octopus Agave (Agave Vilmoriniana) — The Octopus Agave, Agave vilmoriniana, is a striking succulent that reaches up to 4-6 feet in height and width

Octopus Agave

Agave Vilmoriniana

Full · Zones 9–11

Old Man Cactus (Cephalocereus Senilis) — is an intriguing columnar cactus that brings a distinctive texture and height to any landscape design

Old Man Cactus

Cephalocereus Senilis

Full · Zones 9–10

Old Man Of The Andes (Oreocereus Celsianus) — Oreocereus celsianus, known as Old Man of the Andes, is a slow-growing columnar cactus

Old Man Of The Andes

Oreocereus Celsianus

Half · Zones 9–10

Old Man Prickly Pear (Opuntia Erinacea) — this plant typically reaches 2-3 feet in height

Old Man Prickly Pear

Opuntia Erinacea

Full · Zones 9–10

Old Man Saltbush, Chamisa (Atriplex Nummularia) — Old Man Saltbush (Atriplex nummularia)

Old Man Saltbush, Chamisa

Atriplex Nummularia

Full · Zones 8–11

Oleander (Nerium Oleander) — It showcases lance-shaped leaves and clusters of fragrant flowers in shades of pink, red, or white; additionally, image 45

Oleander

Nerium Oleander

Full · Zones 8–11

Olive (Olea Europaea) — is an iconic and versatile evergreen that can bring a Mediterranean essence to any landscape design

Olive

Olea Europaea

Full · Zones 9–10

Oo-La-La ™ Bougainvillea (Bougainvillea 'Oo-La-La') — The 'Oo-La-La' Bougainvillea

Oo-La-La ™ Bougainvillea

Bougainvillea 'Oo-La-La'

Full · Zones 10–11

Opal Alum Root Hybrid (Heuchera 'Opal') — commonly known as Opal Alum Root Hybrid

Opal Alum Root Hybrid

Heuchera 'Opal'

Half · Zones 6–10

Opuntia Cultivars (Opuntia Cvs.) — these drought-tolerant plants provide year-round interest with their unique form

Opuntia Cultivars

Opuntia Cvs.

Full · Zones 9–11

Orange African Daisy (Arctotis Hybrids 'Orange') — The Arctotis hybrid 'Orange'

Orange African Daisy

Arctotis Hybrids 'Orange'

Full · Zones 8–10

Orange Alstroemeria (Alstroemeria Hybrids Orange) — also known as Peruvian Lily

Orange Alstroemeria

Alstroemeria Hybrids Orange

Full · Zones 8–10

Orange Butterfly Bush (Buddleia Globosa) — Orange Butterfly Bush (Buddleia globosa) is a deciduous shrub captivating with dense clusters of aromatic

Orange Butterfly Bush

Buddleia Globosa

Full · Zones 5–10

Orange Clock Vine (Thunbergia Gregorii) — fast-growing perennial with striking orange flowers resembling open-faced clocks

Orange Clock Vine

Thunbergia Gregorii

Full · Zones 9–11

Orange Gazania (Gazania Orange) — The Orange Gazania (Gazania rigens)

Orange Gazania

Gazania Orange

Full · Zones 9–9

Orange Geiger Tree (Cordia Sebestena) — features bold orange blossoms and lush

Orange Geiger Tree

Cordia Sebestena

Full · Zones 8–11

Orange Groundsel (Senecio Fulgens) — The Orange Thistle, or Senecio fulgens, is a striking, low-maintenance perennial

Orange Groundsel

Senecio Fulgens

Full · Zones 9–10