Oxybasis glauca
Oxybasis glauca · Amaranthaceae
The gardener's calendar
Ideal time to plant oxybasis glauca: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Amaranthaceae
- Type
- Annual herbaceous plant
- Foliage
- Deciduous
- Adult size
- 30 to 60 cm in height
- Growth
- Fast
- Hardiness
- Low hardiness, frost-sensitive
- Origin
- Arid regions of Central Asia
- Flowering
- Summer to fall (small greenish flowers)
Care
Light
This glaucous goosefoot thrives in direct sunlight and tolerates bright, warm spots well. It can also adapt to partial shade, though intense light optimizes its growth. Place it in a well-ventilated location to encourage vigor.
Watering
Water moderately during the growing season, allowing the soil to dry out slightly between waterings. This herbaceous plant is adapted to dry environments and tolerates drought well once established. Avoid excessive moisture which could promote rot.
Soil
Well-drained soil, even poor or rocky, suits this species perfectly. It tolerates sandy, chalky, and infertile soils. Improve drainage if your soil retains too much water.
Fertilizing
This plant doesn't require regular fertilizer applications. A light soil enrichment in spring is more than enough. Avoid excess nitrogen which would encourage lush foliage at the expense of a compact form.
Pruning and maintenance
Pinch young shoots to promote a branched and compact shape. You can remove faded stems at the end of the season. This annual doesn't require drastic pruning.
Diseases and pests
Generally robust, it can be affected by powdery mildew in humid and enclosed conditions. Ensure good air circulation and avoid foliar watering. Aphids may occasionally visit; natural treatment should suffice.
Did you know?
Glaucous goosefoot owes its epithet 'glauca' to the fine bluish-white bloom covering its leaves, giving the plant a characteristic gray-silver hue. This natural waxy coating protects it from dehydration in its desert habitats of origin, a fascinating example of botanical adaptation to aridity.
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.