Salvia sclarea
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Salvia sclarea

مریم گلی کبیر یا مرمرشک · Clary · Clary sage · Europe sage · European sage

Tier 1 Difficulty: medium Water: low Light: full_sun
Water every
7 days
Temperature
5–35 °C
Soil pH
6–7
Hardiness
Zone 5–9
Click count
911
Observations
3,466

Description

Source: leafsnap

Salvia sclarea, commonly known as clary sage, is a biennial or perennial herb that belongs to the Lamiaceae family. Native to the Mediterranean region, this plant has been used for medicinal and culinary purposes for centuries. Clary sage can grow up to 1 meter tall and features large, hairy leaves with a strong aroma. Its flowers, which are small and either white or pinkish-purple, are clustered on tall spikes that rise above the foliage. Clary sage is renowned for its therapeutic properties, including anti-inflammatory, antispasmodic, antiseptic, and sedative effects. Traditionally, it has been used to treat various ailments such as digestive disorders, menstrual cramps, respiratory problems, and skin conditions. In addition to its medicinal uses, clary sage oil, extracted from the plant's flowers, is also used in perfumes due to its pleasant aroma, which can be described as sweet with hints of musk. Overall, Salvia sclarea, or clary sage, offers both medicinal benefits and an aromatic fragrance, making it a popular choice among herbalists around the world.

Care Guide

💧 Water Every 7 days

Clary sage, native to the Mediterranean and Northern Africa, thrives in environments with moderate humidity and is tolerant of drought conditions. It needs balanced watering, ideally once a week. Maintaining proper moisture levels is especially important during the growing season to ensure healthy growth and flowering.

Suggested frequency: Every 7 days
FAQ
How should I water my Clary sage plant?

To ensure the well-being of your Clary sage plant, it's important to use filtered water at room temperature for watering. Tap water may contain harmful particles that can negatively affect its health. The reason for using room temperature water is that Clary sage is accustomed to warm environments, and cold water may be a shock to its system. Instead of watering from above, it's best to directly apply the filtered room temperature water to the soil until it's fully saturated. This helps to moisturize the roots and encourages their expansion into the soil for nutrient absorption.

What should I do if I give my Clary sage plant too much or too little water?

Overwatering is a common problem for Clary sage and can lead to wilting, yellowing leaves, and diseases like root rot, mold, and mildew. Underwatering is less common, but can still cause brittle, brown leaves. It's important to recognize signs of overwatering early and reduce watering. If the soil doesn't drain well, replace it with a well-draining mix. If underwatering is the issue, simply water more regularly until the signs improve.

How frequently should I water my Clary sage?

If your Clary sage plant is in a pot, the most accurate way to determine if it needs water is by checking the soil with your finger. If the top two to three inches of soil are dry, it's time to water it. If you're growing Clary sage outdoors in the ground, you can use a similar method to test the soil. When the top few inches of soil have dried out, it's time to water. Typically, during spring and early fall, you'll need to water this plant about once a week using this method. However, during extremely hot weather, you may need to water it twice or more per week. It's worth noting that mature, well-established Clary sage plants have an impressive ability to tolerate dry conditions.

How much water does my Clary sage plant require?

To water your Clary sage effectively, don't be afraid to give it a generous amount of water. Make sure the top two to three inches of soil are dry before watering. It's best to thoroughly saturate the soil, ensuring that the excess water flows out through the drainage holes in the pot. If you don't see any excess water draining, you might not have given enough water. However, be cautious not to let water accumulate in the soil, as this can harm the plant. Additionally, if you notice that water is not draining properly from the pot, it could mean that the soil doesn't drain well, which is not good for the plant. If the plant is outdoors, about 1 inch of rainfall per week should be enough.

How do I water my Clary sage at different growth stages?

The water requirements of Clary sage can vary depending on its growth stages. In the first few years or after transplanting, it requires more water due to the development of new roots that support future growth. These young roots need extra moisture compared to mature plants. As Clary sage matures, it will require less water. Additionally, during the bloom period, when the plant is producing flowers, it may require increased watering as flower development consumes significant moisture.

☀️ Light Full sun

Clary sage usually does best with plenty of sunlight, though it can tolerate periods of reduced light. Native to open, well-lit habitats, it requires a sun-rich environment to achieve its fullest growth. However, both excessive and insufficient sunlight can impede its development.

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

Clary sage thrives best when it receives full sun, which means it needs above 6 hours of sunlight daily. It can also tolerate partial sun conditions, approximately 3-6 hours of sunlight per day. It's important to observe the movement of sunlight through your garden to find the optimal spots that offer a good balance of light and shade. This ensures the plants receive the right amount of sunlight for healthy growth.

Can Clary sage grow in artificial lighting?

Yes, Clary sage can grow under artificial lighting, especially when natural sunlight is insufficient. Indoor plants require adequate lighting for optimal growth. LED lights are a popular choice because they can be customized to provide specific wavelengths of light needed by plants. For full sun plants, 30-50W/sq ft of artificial light is recommended, while partial sun plants need 20-30W/sq ft, and full shade plants require 10-20W/sq ft. The light source should be placed 12-36 inches above the plant, mimicking natural sunlight, and plants most often need 8-12 hours of light per day.

What are common symptoms of inadequate lighting in Clary sage?

Symptoms of inadequate lighting in Clary sage include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, lighter-colored new leaves, and symptoms of too much sunlight like chlorosis, sunscald, leaf curling, wilting, and leaf scorching. These signs indicate that the plant is either not receiving enough light or is being overexposed to sunlight, which can hinder its growth and overall health.

How can I mitigate lighting issues for indoor Clary sage plants?

To mitigate lighting issues for indoor Clary sage plants, gradually move the plants to sunnier locations each week until they receive at least 6 hours of direct sunlight daily. Use south-facing windows and keep curtains open during the day. If the plant is large or not easily movable, consider using artificial light. A desk or ceiling lamp turned on for at least 8 hours daily, or professional plant grow lights, can provide sufficient light.

How do I deal with lighting issues for outdoor Clary sage plants?

For outdoor Clary sage plants, it's important to adapt them gradually to sunlight by moving them to a sunnier location each week. This gradual adaptation helps avoid sunburn. Note that parts of the plant affected by insufficient sunlight might not recover, but new growth should be healthy once the plant receives adequate light exposure.

🌡️ Temperature 5–35°C

Clary sage originates from areas where temperatures typically range from 68 to 95 °F (20 to 35 ℃). It performs well in comparable climates and prefers that temperature span when cultivated in other locations. Due to seasonal shifts, temperature regulation may be needed to replicate these preferred conditions.

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

Clary sage thrives in environments where temperatures generally fluctuate between 68 to 95 °F (20 to 35 °C). It is native to climates within this temperature range and prefers similar conditions even when cultivated in different areas. Seasonal variations might necessitate temperature control efforts to maintain these ideal conditions. Remarkably, Clary sage exhibits strong resistance to cold, typically obviating the need for special frost protection measures during winter. However, it's crucial to ensure that winter temperatures do not fall below -25°C to avoid the need for cold protection strategies.

What special care does Clary sage require during winter?

While Clary sage is notably cold-resistant, special care might be needed during exceptionally cold winters where temperatures are expected to drop below -25°C. To protect the plant from extreme cold, you can cover it with insulating materials like soil or straw. Additionally, it is advisable to water the plant abundantly before the first freeze of autumn to ensure the soil remains moist and enters into a frozen state. This practice helps in preventing drought and water scarcity for the plant during the winter season and the onset of spring.

What are the symptoms of low temperature stress in Clary sage, and how can it be managed?

Clary sage is cold-tolerant and generally prefers temperatures above 20°C. During the winter, it's crucial to keep the temperature above 0°C. If the temperature falls below -25°C, you might not notice immediate changes; however, there could be reduced sprouting or even no sprouting at all during the spring. To manage this, in spring, it's recommended to remove any parts of the plant that have failed to sprout, promoting healthier growth for the remaining plant.

How does Clary sage respond to high temperatures, and what solutions help?

In the summer months, it's important to ensure that Clary sage is kept below 35°C to avoid stress from high temperatures. When the thermometer reads above 38°C, the leaves may begin to lighten in color, curl, become susceptible to sunburn, and, in severe cases, the entire plant could wilt and dry out. To address this, trim away the sunburned and dried-up parts of the plant. Moving the plant to a shaded location or using a shade cloth to protect it from the midday and afternoon sun can also help. Additionally, watering the plant in the morning and evening will help keep the soil moist, further mitigating the stress from high temperatures.

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

Early spring—when Clary sage is coming out of dormancy and starting active growth—is the optimal time to apply fertilizer. Fertilizing supplies essential nutrients for healthy development. Even though Clary sage has relatively low fertilizer requirements, an annual application can improve its survival and encourage better, longer-lasting flowers.

FAQ
Why should I put fertilizer on my Clary sage plant?

Fertilization is important for Clary sage because it provides essential nutrients for growth above and below the ground. While Clary sage doesn't require a lot of fertilization, it can benefit from annual fertilization to ensure its survival and promote the development of longer-lasting flowers. Therefore, those wanting their Clary sage to thrive should remember to fertilize it every year.

When should I fertilize my Clary sage?

To get the best results, it is recommended to fertilize your Clary sage in late winter to early spring. This is when the plant is transitioning from dormancy to active growth, so fertilization at this time helps promote healthy growth for the upcoming season. While early spring is the most opportune time to fertilize, you can also fertilize in the fall if desired. However, it is not recommended to fertilize during summer or winter.

When is it best to not add fertilizer to my Clary sage plant?

To ensure optimum growth for your Clary sage, it is recommended to fertilize the plant only in late winter and early spring. This is because Clary sage has low fertilization needs and can be adequately nourished with just one annual feeding. Fertilizing the plant during spring, summer, and fall can result in overfertilization and its accompanying complications. However, if you missed fertilizing in spring, it is permissible to fertilize in fall. On the other hand, it is unnecessary to fertilize Clary sage during the winter, as the plant enters a dormant growth phase, meaning it does not produce new growth. Therefore, it is not advisable to fertilize the plant during most of the winter.

What kind of fertilizer does my Clary sage plant need?

For Clary sage, a general-purpose fertilizer with balanced amounts of the three main plant nutrients will work well. However, there are specific nutrient blends that can be even more beneficial. Some gardeners believe that higher levels of phosphorus lead to stronger roots and better flowers, making a phosphorus-rich fertilizer the best choice for Clary sage, being a flowering plant. Granular or liquid fertilizer can be used as long as it is nutrient-rich. In addition to manufactured fertilizers, organic methods such as compost, manure, and similar materials can greatly enhance the soil for your Clary sage, allowing for healthier growth.

How should I fertilize my Clary sage?

To fertilize a Clary sage, the most common method is applying a granular or pellet fertilizer to the soil around the plant. It's important to remember that the best time to fertilize is when the plant is transitioning from its winter dormant growth phase to active growth. In early spring, you should wait until shoots start emerging from the soil before applying the fertilizer. Alternatively, some people prefer using liquid fertilizer. If you opt for this, make sure to dilute the fertilizer with water before applying it. Regardless of the type you use, it's always recommended to moisten the soil before, during, and after fertilization.

🪴 Pot & Repot 2-3 years

Clary sage is a medium-sized, bushy herb that benefits from being repotted every 2-3 years in the spring. When repotting, use a pot that is 2 inches larger than the current one. Choose well-draining soil and water the plant moderately. Regularly monitor the plant for any signs of stress to maintain healthy growth and aromatic foliage.

Suggested frequency: 2-3 years
✂️ Pruning

Clary sage is a biennial aromatic plant that features vibrant flowers ranging from pink to blue. To promote a healthier and more robust plant, prune it in early spring. Start by removing any dead stems and trimming the flower spikes. This process enhances growth, improves airflow, and boosts the plant's resistance to disease.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial, Biennial, Annual
Genus
Salvia
Family
Lamiaceae
Hardiness Zone
5-9
Mature Height
0.91 m to 1.22 m
Mature Spread
61 cm to 91 cm
Leaf Color
Green, Gray
Leaf Type
Deciduous
Flower Color
Pink, Lavender, White
Flower Size
2.54 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring, Autumn
Harvest Time
Mid summer
Native Area
Tajikistan, Turkey, Tunisia, Slovakia, Montenegro, Bulgaria, Armenia, Greece, Slovenia, Croatia, Ukraine, Lebanon, Uzbekistan, Russia, Serbia, Afghanistan, Hungary, Syria, Kyrgyzstan, Kazakhstan, Italy, Spain, France, Iran, Albania, Azerbaijan, Algeria, Romania, Turkmenistan, Portugal

Tags (9)

Common Names (11)

ar مریم گلی کبیر یا مرمرشک
en Clary
en Clary sage
en Europe sage
en European sage
en Salvia romana
en Clear-eye
en See-bright sage
en Common clary
en Garden clary
en Orvale