Rumex acetosa
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Rumex acetosa

Common Sorrel · Garden sorrel · Sorrel · Sorrel dock · Sour dock

Tier 1 Difficulty: medium Water: moderate Light: full_sun Toxicity: high
Water every
3 days
Temperature
5–35 °C
Soil pH
6–7
Hardiness
Zone 4–9
Click count
769
Observations
5,628

Description

Source: leafsnap

Sorrel (Rumex acetosa), also called common sorrel or garden sorrel, is a perennial herbaceous plant in the family Polygonaceae. Other names for sorrel include spinach dock and narrow-leaved dock ('dock' being a common name for the genus Rumex).Sorrel is native to Eurasia and a common plant in grassland habitats. It is often cultivated as a leaf vegetable or herb.

🌳 Aside from its usual role as a leafy green, sorrel is valued for its pronounced sourness from oxalic acid, which lends a lemon-like flavor to numerous dishes. Beyond its culinary applications, sorrel also has uses in other fields. Its leaves have historically been employed to curdle milk during cheese making because of their acidity. In addition, areas such as extractive metallurgy can take advantage of sorrel’s ability to indicate soil metal levels, notably its function as a bioindicator for zinc and nitrogen. This can be utilized in environmental monitoring and potentially in phytoremediation.

🎭 Thoughtful

Care Guide

💧 Water 1-2 times a week

Sorrel grows best in temperate regions where the soil is consistently moist. It benefits from being watered weekly. Although sorrel can be grown both indoors and outdoors, it tends to thrive more when grown outdoors. This is because outdoor conditions better simulate natural water cycles, which helps the plant develop lush foliage during its active growing season.

Suggested frequency: 1-2 times a week
FAQ
How should I water my Sorrel plant?

The Sorrel has specific water preferences, and the way you provide water is important. Improper watering techniques can harm your tomatoes. The best way to water Sorrel is to apply water directly to the soil in a slow and gentle manner. Avoid pouring all the water at once or doing overhead watering. Water slowly but deeply to ensure all the soil around your Sorrel is moist enough.

What can I do if I give my Sorrel plant too much or too little water?

If you have overwatered your Sorrel and are worried about disease, it's important to take action right away. The best approach for an overwatered Sorrel is to remove it from its current location and let the roots dry a bit before replanting it in an area with good soil drainage. If you're growing in pots, you might consider moving the plant to a pot with better drainage. On the other hand, if you've been underwatering your Sorrel, simply increase the frequency of watering.

How frequently should I water my Sorrel?

Sorrel needs a lot of water during the growing season. To meet this high water requirement, you should water it frequently in the spring and summer. In the early stages of the growing season, water your Sorrel once or twice a week. As the season continues, increase the frequency of watering. In summer, depending on the weather, you may need to water it twice a day or more. Once your Sorrel has completed its major growth phases, you can water it once a week until the end of the growing season.

How much water does my Sorrel plant need?

Sorrel plants are quite popular among both professional and amateur gardeners, so caring for them is well understood. Specifically, we know that an average Sorrel plant needs about 1 - 1.5 inches of water per week. It's important to evenly distribute this amount during your weekly watering. As the weather gets warmer, you may need to increase the water supply, but in general, a baseline of two inches per week should suffice.

How do I know if I'm giving enough water to my Sorrel plant?

Both underwatering and overwatering can be problematic for your Sorrel. These issues can present similar symptoms, such as foliage discoloration and wilting. When your Sorrel is underwatered, its leaves will begin to curl and droop. You will also observe a reduction in the vigor of the leaves. Underwatering can stunt growth and hinder overall development, as this plant requires ample water for both its flowers and overall health. On the other hand, overwatering is more likely to result in diseases, including rot, and may cause unpleasant odors to arise from the soil. Symptoms of underwatering will appear more quickly compared to overwatering. Additionally, if you notice an excessive amount of standing water or waterlogged soils, it is likely that overwatering is occurring.

☀️ Light Full sun

Sorrel does best in locations with plentiful sunlight throughout the day, though it can tolerate lower light levels. Ample sun encourages the plant's vigor and growth. Still, both too little and too much light can harm its health.

Ideal: Full sun
FAQ
What are the sunlight requirements for Sorrel?

Sorrel requires a significant amount of sunlight to thrive, with the ideal condition being full sun, which is above 6 hours of sunlight per day. However, it can also grow under partial sun conditions, defined as about 3-6 hours of sunlight daily. It's important to observe the movement of sunlight through your garden carefully, selecting spots that provide a balance of light and shade to ensure the optimal growth and happiness of your plants.

How essential is sunlight for the growth of Sorrel?

Sunlight is crucial for the growth and vitality of Sorrel. This plant thrives best with an abundance of solar exposure throughout the day but can also manage with less exposure. Ample sunlight is vital for the plant's health, and insufficient or excessive light can have adverse effects. For indoor plants, when natural sunlight is not enough, especially during winter or in less sunny areas, artificial lights such as LED lights that mimic natural sunlight conditions are recommended. The appropriate amount of artificial light varies depending on the plant's specific sunlight needs, ranging from 10-20W/sq ft for full shade plants to 30-50W/sq ft for full sun plants.

What are the symptoms of light deficiency in Sorrel?

When grown indoors or under insufficient light, Sorrel may display several symptoms indicating light deficiency. These include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted growth, and new leaves that are lighter in color or show signs of chlorosis, indicating a lack of chlorophyll. Excessive sunlight exposure can also harm Sorrel, leading to symptoms such as sunscald, leaf curling, wilting, and leaf scorching.

What solutions are available for light-related issues in Sorrel?

For indoor Sorrel plants struggling with light deficiency, a gradual move to a sunnier location, such as near a south-facing window, is recommended to ensure at least 6 hours of direct sunlight daily. If moving the plant isn't feasible, artificial plant grow lights can be used to provide adequate light. For outdoor plants, it's essential to move them gradually to avoid sunburn, ensuring they adapt to changes in light intensity safely. Removing obstructions that block sunlight and, for smaller plants, transplanting them during their dormant period to a sunnier location can significantly improve their access to sunlight. It's important to note that parts of the plant affected by insufficient sunlight may not recover, but new growth should be healthy with improved light conditions.

🌡️ Temperature 5–35°C

Sorrel comes from temperate regions. It prefers temperatures between 68 and 95 °F (20 to 35 °C). Adjustments may be necessary to maintain this temperature range, especially during extreme seasons.

Ideal temperature: 5–35°C
FAQ
What is the ideal temperature range for growing Sorrel?

Sorrel thrives best in a temperate environment with a preferred temperature range of 68 to 95°F (20 to 35°C). It is important to make adjustments to maintain this temperature range, especially during extreme weather conditions. In winter, keeping temperatures above 20°C is beneficial for the plant's growth and it is crucial to ensure the temperature does not drop below the freezing point to prevent freezing damage. When outdoor temperatures approach -5°C (25°F) in winter, it is advisable to bring Sorrel indoors or protect it by setting up a temporary greenhouse or using materials like plastic film or fabric to wrap the plant.

How does Sorrel react to low temperatures and what can be done about it?

Sorrel has moderate tolerance to low temperatures, thriving best between 20°C and 35°C, and should be kept above 0°C during the winter. When temperatures drop below -30°C, the leaves may darken, and in severe cases, water-soaked necrosis, wilting, and drooping can occur, with the leaves gradually turning brown. To mitigate frost damage, trim away frost-damaged parts and move the plant to a warm environment or set up a makeshift greenhouse for cold protection. Placing the plant near a south-facing window ensures ample sunlight, and if there is insufficient light, supplemental lighting can be used.

How does high temperature affect Sorrel and what measures should be taken?

During the summer, it's important to keep Sorrel's ambient temperature below 35°C. Exposure to temperatures above 38°C can slow down the plant's growth, lighten the color of its leaves, and increase susceptibility to sunburn. To address heat stress, trim away sunburned and dried-up parts of the plant, move it to a shaded location away from the afternoon sun, and ensure the soil remains moist by watering the plant in the morning and evening.

💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

To maximize the yield and flavor of Sorrel, provide ample nitrogen throughout the growth cycle, including pre-planting and harvest. Plants that are well-watered and fertilized develop abundant, healthy leaves and have reduced bitterness. Before planting, enrich the soil with organic matter such as compost or manure, ideally 2 to 8 weeks in advance.

🪴 Pot & Repot Every 12 months
Suggested frequency: Every 12 months
✂️ Pruning

You can prune your Sorrel year-round. Trim back flower stalks as they sprout to redirect the plant’s energy toward better foliage and harvest. If you want your Sorrel to self-seed, you may opt to leave the seed heads.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial, Annual
Genus
Rumex
Family
Polygonaceae
Hardiness Zone
4-9
Mature Height
40 cm to 91 cm
Mature Spread
46 cm to 61 cm
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
Green
Flower Size
0.25 cm to 0.51 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring
Harvest Time
Early summer, Mid summer
Native Area
Sweden, Austria, Pakistan, Morocco, Belarus, Uzbekistan, Russia, Germany, Iceland, Romania, Belgium, Netherlands, Nepal, Portugal, France, Bulgaria, Poland, Ukraine, China, Norway, Afghanistan, Italy, Kazakhstan, Spain, Switzerland, Denmark, Japan, Mongolia, Finland, Iran, Albania, Ireland, United Kingdom, Hungary

Tags (21)

Common Names (19)

en Common Sorrel
en Garden sorrel
en Sorrel
en Sorrel dock
en Sour dock
en Cuckoo's Meat
en Green Sauce
en Sour Leaves
en Sälttisyeini
en Säʹlttsueiʹnn
en Garden Dock
en Green Sorrel
en Meadow Sorrel
en Common dock
en Sauerampfer
en చుక్కకూర
en Dilipsarkar
en Măcriș (Romanian)
en Szczaw Zwyczajny