Rumex arifolius — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Rumex arifolius

Rumex Arifolius

Updated · 404 observations
ON THIS PLANT

Rumex arifolius, commonly known as arrowleaf dock, is a perennial herbaceous plant belonging to the family Polygonaceae. Native to Europe and western Asia, it has also been introduced to North America. The plant can grow up to 1 meter tall and features distinctive arrow-shaped leaves that are green with slightly wavy margins. These leaves are alternately arranged along the stem, each measuring up to 30 cm in length. Arrowleaf dock produces small greenish flowers that bloom from June through August. These flowers are grouped in clusters on tall spikes that rise above the plant's foliage. Following the flowering period, the plant develops small fruits, each containing a single seed. Preferring moist soils, arrowleaf dock is commonly found along riverbanks, wetlands, and other high-moisture areas such as ditches and marshes. While it can tolerate dry soils, it thrives best in partial shade rather than full sun. In traditional medicine, various parts of Rumex arifolius have been used for their medicinal properties, particularly in treating skin conditions like eczema and psoriasis due to their anti-inflammatory effects. Overall, Rumex arifolius is a fascinating herbaceous perennial known for its unique foliage, making it an attractive addition to gardens and landscapes. Its medicinal properties further enhance its value in traditional medicine practices worldwide.

A note from PlantMom

Mountain dock has moderate resistance to disease but can be prone to issues like leaf spot. Its vulnerability to insect pests varies with the variety, though most types are relatively less resistant to pests. For care, Mountain dock needs regular watering and feeding, and yellow leaves should be removed frequently. It’s important to address pests and diseases as they appear and to harvest the plant promptly. Mountain dock is appropriate for people who can dedicate some time and effort to routine care.

— PlantMom
CARE GUIDE

How to keep Rumex Arifolius.

Light

Mountain dock comes from habitats like forest understories or rocky sites with natural shade. It prefers partial sunlight but can tolerate full sun when necessary. This flexibility lets it thrive under a range of sunlight conditions.

Temperature

Mountain dock prefers moderate temperatures, about what most people find comfortable. It performs best in conditions that are neither overly hot nor excessively cold. The main problem with high heat is the risk of sunburn, so offering some shade in summer is recommended to avoid too much heat. When temperatures decline, Mountain dock goes dormant. If you want it to grow continuously, you must keep temperatures higher through the winter. Frost can injure the plant and should be avoided.

Fertilizer

To maximize the yield and flavor of Mountain dock, maintain ample nitrogen throughout the growth cycle, from pre-planting to harvest. Well-watered and fertilized plants produce abundant, healthy leaves and minimize bitterness. Before planting, enrich the soil with organic matter such as compost or manure, ideally 2 to 8 weeks beforehand.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Rumex
Family
Polygonaceae
Hardiness Zone
4-8
Mature Height
30 cm to 91 cm
Mature Spread
20 cm to 40 cm
Leaf Color
Forest Green, Dark Green
Leaf Type
Deciduous
Flower Color
Green
Flower Size
0.20 cm to 0.25 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring, Autumn
Harvest Time
Late summer, Early fall
Native Area
Austria, Czech Republic, Slovakia, Montenegro, Bulgaria, Armenia, Poland, Greece, Croatia, Slovenia, Ukraine, Serbia, Russia, Germany, Italy, Kazakhstan, Spain, Switzerland, Iceland, Japan, Koppen, Azerbaijan, Romania, France
ALSO KNOWN AS

Other names.

en Mountain dock
PLATES
Rumex arifolius leaf
PLATE 01 · leaf
Rumex arifolius leaf
PLATE 02 · leaf
Rumex arifolius flower
PLATE 03 · flower
Rumex arifolius flower
PLATE 04 · flower
Rumex arifolius fruit
PLATE 05 · fruit
Rumex arifolius fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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