Dryland
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Botanical illustration of Red Oak (Quercus rubra) — a deciduous tree for USDA zones 3–7

Quercus rubra

Red Oak

TreeDeciduous
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Mature size
60–70 ft tall
60–70 ft wide
Sun
Full Sun
Water use
Low
USDA zones
3–7

Notable features

fire resistant

Companion plants for Red Oak

Six water-wise companions matched on water use, sun, USDA zone, and how they layer visually beside Red Oak.

Botanical illustration of Snow-in-Summer (Cerastium tomentosum) — a evergreen groundcover for USDA zones 3–7

Snow-in-Summer

Cerastium tomentosum

Groundcover0.5–1 ft tallZones 3–7
Botanical illustration of English Lavender (Lavandula angustifolia) — a evergreen perennial for USDA zones 5–9

English Lavender

Lavandula angustifolia

Perennial1–2 ft tallZones 5–9
Botanical illustration of Switchgrass (Panicum virgatum) — a deciduous grass for USDA zones 4–9

Switchgrass

Native

Panicum virgatum

Grass3–4 ft tallZones 4–9
Botanical illustration of Catmint (Nepeta x faassenii) — a deciduous perennial for USDA zones 3–8

Catmint

Nepeta x faassenii

Perennial1–2 ft tallZones 3–8
Botanical illustration of Rock Soapwort (Saponaria ocymoides) — a deciduous groundcover for USDA zones 3–8

Rock Soapwort

Saponaria ocymoides

Groundcover0.33–0.42 ft tallZones 3–8
Botanical illustration of Big Sagebrush (Artemisia tridentata) — a evergreen shrub for USDA zones 4–9

Big Sagebrush

Native

Artemisia tridentata

Shrub3–6 ft tallZones 4–9
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