Rumex conglomeratus
Rumex conglomeratus · Polygonaceae
The gardener's calendar
Ideal time to plant rumex conglomeratus: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Scientific name
- Rumex conglomeratus
- Family
- Polygonaceae
- Type
- Perennial herbaceous plant
- Foliage
- Deciduous
- Flowering
- June to August
- Mature size
- 30 to 60 cm tall
- Growth rate
- Fast
- Hardiness
- Very hardy (zones 4-9)
- Origin
- Western and central Europe
- Soil type
- Moist to cool, tolerates poor soils
Care
Watering
Clustered dock prefers moist and cool soils. Water regularly during the growing season, especially in dry summers. However, avoid prolonged waterlogging which can promote rot. The presence of natural water (ditches, damp banks) is ideal.
Light exposure
This plant enjoys sunny to partially shaded locations. In very hot climates, it will tolerate light afternoon shade. It is undemanding and adapts to most light conditions.
Pruning and cutting
Little pruning is necessary. Remove dead or damaged leaves and faded flowers to limit invasive self-seeding. In autumn, you can cut back the clump to tidy it before winter.
Fertilizing
This undemanding plant grows well without fertilizer. A moderate application of well-decomposed compost in spring is sufficient. Favor balanced fertilization rather than nitrogen-rich feeding.
Soil
Clustered dock adapts to many soil types. It prefers moist and slightly acidic soils, but also tolerates poor and compacted soils. Soil rich in organic matter promotes better growth.
Diseases and pests
This robust plant is rarely subject to serious diseases. Occasionally watch for slugs in the young growth phase. Powdery mildew can appear in stagnant humid conditions. Maintain good air circulation to prevent fungal problems.
Did you know?
Clustered dock is a pioneer plant known for rapidly colonizing degraded damp habitats and ditch banks. In traditional botany, various rumex (dock) species have long been used in herbal medicine, although their actual properties remain to be scientifically confirmed. Its winged seeds disperse easily by wind and water, making it an excellent natural colonizer of disturbed ecosystems.
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.
Add this plant to my garden →Plants from the same family
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Tips generated and checked by Viridia — adapt them to your local climate.