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Oxybasis rubra

Oxybasis rubra · Amaranthaceae

The gardener's calendar

The right move for September

Ideal time to plant oxybasis rubra: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Family
Amaranthaceae
Type
Annual herbaceous plant
Foliage
Deciduous
Flowering
Summer to autumn
Mature size
30 to 60 cm tall
Hardiness
Frost-tender, annual
Growth
Fast
Origin
Temperate and Mediterranean regions

Care

Exposure

Choose a sunny location (at least 6 hours of direct sunlight) to encourage good growth and optimal foliage coloration. Red orache also tolerates partial shade, though vigor will be slightly reduced. Avoid overly windy areas that could weaken the plant.

Soil

This plant prefers well-drained soil, even moderately rich in organic matter. It adapts well to light soils and can tolerate relatively poor soil. Ensure good drainage to prevent water accumulation at the base.

Watering

Water regularly during growth, keeping the soil moist but without excess humidity. During dry periods, increase watering frequency. Once established, the plant shows some tolerance to drought, but regular watering promotes lusher foliage.

Fertilizing

Apply balanced fertilizer once or twice during the growing season if the soil is not very rich. For an annual, this is not essential if the soil was prepared with compost before planting.

Pruning and maintenance

No mandatory pruning. You can pinch young plants to encourage a more compact and bushy shape. Remove spent flowers if you wish to extend the foliage growth phase. At the end of the season, the plant can be pulled up once killed by the first frosts.

Diseases and pests

Red orache is generally robust and rarely subject to serious diseases. Watch for aphids or mites in case of excessive heat. Excess stagnant moisture could promote root rot; improve drainage if necessary.

Did you know?

Red orache (Oxybasis rubra) is a close relative of quinoa and shares the same Amaranthaceae family, rich in species cultivated since antiquity. Its red or purple foliage, particularly spectacular in autumn, made it popular in ornamental gardening for a long time, though it remains little known to contemporary gardeners.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.