Lepidium didymum
Lepidium didymum · Brassicaceae
The gardener's calendar
Ideal time to plant lepidium didymum: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous, small lobed leaves
- Flowering
- Spring to summer (April-July)
- Adult size
- 20-40 cm tall, spreading habit
- Growth
- Fast
- Hardiness
- Moderate, prefers temperate to mild climates
- Origin
- South America (Chile, Argentina)
- Soil type
- Well-drained, light, poor to moderately fertile
Care
Light
Choose a location in full sun or partial shade for optimal flowering. Stag's horn didyme tolerates bright conditions but will flower more abundantly with a minimum of 6 hours of direct sunlight. In warm climates, some afternoon shade can be beneficial.
Watering
Water moderately, allowing the soil to dry slightly between waterings. This plant dislikes excess moisture and waterlogged soils. During active growth, keep the substrate moist but not soggy.
Soil
Use well-drained soil, poor to moderately rich in organic matter. A light mix with sand or gravel is ideal to prevent water retention. Neutral pH suits it perfectly.
Fertilizer
A light application of balanced fertilizer in spring is sufficient. This plant doesn't require heavy feeding; too much fertilizer would promote foliage at the expense of flowering. Avoid excessive nitrogen applications.
Pruning and cleanup
Prune lightly after flowering to maintain a compact habit and encourage branching. Remove spent flowers to extend flowering. In late winter, simply cleaning up dead parts is generally enough.
Diseases and pests
Watch for excessive moisture that can promote rot. In case of aphid or whitefly attack, mild or natural treatment is usually sufficient. Good air circulation around the foliage prevents most fungal problems.
Did you know?
The name "stag's horn" refers to the characteristic silique of this plant, which oddly resembles a small curved horn. Belonging to the Brassicaceae family (the same family as cabbage and mustard), this small South American herb conquered Western gardens in the 19th century as an original ornamental plant, often appreciated for its compact qualities and delicate spring flowering.
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.