Can I grow this in a normal garden?

Yes, it grows well in most soils, though it prefers sunny spots.

It can be aggressive in disturbed coastal areas but is generally manageable.

Plant guide

Spear saltbush.

Atriplex prostrata

Pronounced AT-rih-pleks pros-TRAH-tuh

Also known as Fat-hen, Halberd-Leaved Orache, Halberd-leaf Orache, Hastate Orache, Hastate Orache,spear-leaved Orache, Hastate Saltplant, Spear-leaf Orache, Spear-leaved Orache

Creeping Saltbush — Photo by Yurii Basov (CC BY) via iNaturalist

The spear saltbush is a hardy, salt tolerant plant often found in coastal areas or disturbed soils. It features a sprawling growth habit that makes it a unique ground cover for challenging environments. You will find it thrives where other plants might struggle due to high salinity.

Another photo of Spear saltbush — Photo by Arnim Littek (CC BY) via gbif

At a glance

Care level: Easy
Plant type: Herbaceous annual or perennial
Light: Full sun
Indoor light: Direct sun
Water: Every 5 to 10 days
Mature size: 1 to 3 feet tall
Growth rate: Fast
Hardiness: USDA 4 to 9
Bloom time: Mid summer to early autumn

Care

Provide plenty of direct sunlight to keep this plant happy and compact. Watch for signs of wilting if the soil dries out completely during hot spells. It is quite resilient but prefers well drained soil to prevent root issues.

Watering: Keep the soil consistently moist but not waterlogged.
Feeding: Apply a balanced fertilizer during the active growing season.
Pruning: Trim back leggy stems to encourage a bushier shape.
Repotting: Repot only if the plant becomes root bound in its container.
Soil: Sandy or saline soils
Soil pH: Neutral to alkaline
Temperature: -15 to 35°C
Humidity: 40 to 80%
Drought tolerance: High
Lifespan: Annual, typically 1 year.
Deer and rabbits: Moderate

Signs it needs repotting

Roots circling the bottom of the pot
Stunted growth during the active season

Safety

People: The plant is generally considered safe but contains oxalates that can be problematic in large quantities.
Children: There are no specific risks to children beyond standard caution regarding plant ingestion.
Contact allergens: The foliage can cause mild skin irritation in sensitive individuals.
Airborne allergens: The wind-dispersed pollen may trigger seasonal allergies.
Edibility: While young leaves are edible, they contain oxalates and should be consumed in moderation.

How to identify it

Triangular or spear shaped leaves
Mealy or scurfy leaf texture
Small greenish flower clusters
Sprawling or prostrate growth habit

Height: 0.1 to 0.8m
Spread: 0.2 to 1m
Leaves: green, gray-green, deciduous
Flowers: green, 0.1 to 0.3cm
Fruit: brown, Autumn

Problems to watch for

Aphids · Small insects that cluster on new growth and suck plant sap.

By symptom

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Growing it

Propagation: seed
When to plant: spring, autumn
Overwintering: In colder climates, the plant will die back completely after the first hard frost. Collect seeds in late autumn to ensure new growth the following spring.
In containers: It grows well in containers at least 30 centimeters deep, provided they have excellent drainage.

Seed Sowing

1. Collect mature seeds in late autumn.
2. Store in a cool, dry place over winter.
3. Sow directly into the garden in early spring.
4. Keep the soil lightly moist until germination occurs.

Group this plant with other salt-tolerant species to create a resilient coastal border.

Grows well with

Sea Lavender · They share similar coastal habitat requirements.
Sea Aster · Both species thrive in brackish, salty soil conditions.

Similar species

Garden Orache · It is a close relative often grown as a leafy vegetable.

Science

Family: Amaranthaceae
Genus: Atriplex
Order: Caryophyllales
Class: Magnoliopsida
Native range: Europe, North Africa, and parts of Asia.
Conservation: It is a common and widespread species with no special conservation status.

It survives by accumulating salt in its tissues, allowing it to thrive in saline coastal marshes and disturbed ground.

Value to wildlife: larval host plant, seed source for birds
Pollinators: bees, beetles
Uses: coastal restoration, forage, edible greens

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 8/9
Soil reaction: 7/9
Light: 8/9
Temperature: 5/9
Moisture: 5/9
Nutrients: 6/9

Taxonomy resolved against GBIF.

Questions people ask

Can I grow this in a normal garden?: Yes, it grows well in most soils, though it prefers sunny spots.
Is it invasive?: It can be aggressive in disturbed coastal areas but is generally manageable.

Where the name comes from

The genus name Atriplex comes from the Latin name for a type of orache, while prostrata refers to its low-growing, spreading habit.

Good to know

It is commonly known as spear-leaved orache.
It thrives in salty soils that would kill most other garden plants.
The seeds are an important food source for many coastal bird species.

Also in

Drought-tolerant plants

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This guide was generated with AI on October 19, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.