Overview

Atriplex hortensis var. rubra is a columnar upright annual biennial in the genus Atriplex, part of the Amaranthaceae family, with deciduous foliage. It typically grows around 1-1.5 metres tall and 0.1-0.5 metres wide, reaching full size in around 1-2 years. Atriplex hortensis var. rubra grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H2. Suggested uses include cottage and informal garden, architectural, flower borders and beds and cut flowers.

About

Atriplex hortensis var. rubra, commonly known as red mountain spinach or red orach, is a deciduous annual or biennial plant in the Amaranthaceae family. It grows with a columnar upright habit, reaching heights of 1 to 1.5 metres and spreading between 0.1 and 0.5 metres over one to two years. This cultivar thrives in full sun and can be grown in both exposed and sheltered locations, preferring well-drained loam or sandy soils with a pH ranging from acid to alkaline. It is particularly notable during the summer season.

About the genus

Atriplex is a plant genus of about 250 species, known by the common names of saltbush and orache. It belongs to the subfamily Chenopodioideae of the family Amaranthaceae s.l.. The genus is quite variable and widely distributed.

Wikipedia contributors, "Atriplex", CC BY-SA 4.0Atriplex

Growing conditions

Best soil and position for Atriplex

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
West-facing, South-facing
Exposure
Exposed, Sheltered
UK hardiness
H2

Plant details

Atriplex hortensis var. rubra size, habit and characteristics

Plant type
Annual Biennial
Habit
Columnar upright
Foliage
Deciduous
Height
1-1.5 metres
Spread
0.1-0.5 metres
Time to full height
1-2 years
Suggested uses
Cottage and informal garden, Architectural, Flower borders and beds, Cut flowers

Care notes

Pruning and caring for Atriplex hortensis var. rubra

Propagation
Seed
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Atriplex hortensis var. rubra?

Atriplex hortensis var. rubra prefers full sun. It suits exposed and sheltered positions.

What soil does Atriplex hortensis var. rubra need?

Atriplex hortensis var. rubra grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.

How big does Atriplex hortensis var. rubra grow?

Atriplex hortensis var. rubra reaches a height of 1-1.5 metres and a spread of 0.1-0.5 metres. It takes around 1-2 years to reach full size.

Is Atriplex hortensis var. rubra hardy in the UK?

Atriplex hortensis var. rubra has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.

How do I propagate Atriplex hortensis var. rubra?

Seed.

More in the Atriplex genus

Browse all Atriplex

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