Rhodiola integrifolia
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Rhodiola integrifolia

King's-crown · Western roseroot · Entire-Leaf Rosewort · Ledge stonecrop · Entire-leaved rosewort

Tier 1 Difficulty: hard Water: high Light: full_sun
Water every
7 days
0
Soil pH
5–7
Hardiness
Zone 2–9
Click count
42
Observations
75

Description

Source: leafsnap

Rhodiola integrifolia, commonly known as Arctic root or Roseroot, is a perennial herbaceous plant belonging to the Crassulaceae family. Native to the Arctic and subarctic regions of North America and Eurasia, this plant can grow up to 30 cm tall and features succulent, lance-shaped or elliptical leaves. Traditionally, indigenous people have used Rhodiola integrifolia for its medicinal properties. The plant contains several bioactive compounds, such as salidroside, rosavin, rosin, flavonoids, and phenolic acids, which have demonstrated anti-inflammatory, antioxidant, adaptogenic (stress-reducing), and neuroprotective effects. Moreover, Rhodiola integrifolia is used as a natural remedy for various health conditions, including fatigue, mild-to-moderate depression and anxiety disorders, and cognitive impairment or memory loss due to aging or stress. The extract from this plant is available in multiple forms, such as capsules, tablets, powders, teas, and tinctures. Beyond its medicinal uses, Rhodiola integrifolia is also valued for its ornamental appeal. Its attractive yellow-green flowers bloom from June through August, forming clusters at the ends of stems. In summary, Rhodiola integrifolia is a fascinating plant with potential health benefits that warrants further scientific research.

Care Guide

💧 Water Every 7 days

Ledge Stonecrop is well-suited to rocky environments, exhibiting excellent drought tolerance and succulent characteristics that enable efficient water retention. It should be watered about once every three weeks, allowing the soil to dry completely in between. This plant thrives in outdoor rock gardens and needs minimal additional watering.

Suggested frequency: Every 7 days
FAQ
If I give my Ledge Stonecrop too much or too little water, what should I do?

Ledge Stonecrop, a type of succulent, is able to withstand periods without water. However, if you forget to water it for a month or more, you will likely notice signs of thirst or damage. Underwatered Ledge Stonecrop appears lackluster and wrinkled, with some plants drying up completely or turning brown. The soil will also be completely dried out. To rehydrate an underwatered plant, submerge the pot in water for 5-10 minutes until you feel moisture on the soil's surface. On the other hand, overwatering is dangerous for Ledge Stonecrop and can lead to root rot. This occurs when the roots can't absorb nutrients and water due to excess moisture, which allows fungi and bacteria to thrive. Symptoms of overwatering include yellow, swollen, translucent organs that may burst open. If left untreated, the plant may turn brown or black and the leaves may fall off. Check the soil to confirm overwatering as the cause. To save an overwatered plant, act quickly before extensive damage occurs. Remove the plant from its pot and examine the roots and soil. If root rot has developed, the roots will be dark brown or black, soft, mushy, or slimy. If most of the roots are affected, it may be impossible to save the plant. In this case, remove any healthy stems and use them to propagate a new plant. If only some roots are affected, remove the unhealthy-looking roots with a sterilized cutting tool and dip the remaining roots in fungicide. Repot the plant in fresh, well-draining soil. While this method doesn't always work, in most cases the plant will recover and produce new growth in the next growing season.

How frequently should I water my Ledge Stonecrop plant?

Determining how often to water Ledge Stonecrop does not have a set rule. The best approach is to check the soil and only water when it is completely dried out. You can use your finger or a moisture meter to assess the soil beneath the surface. For plants in deep pots, a stick or chopstick can be used instead. If the soil feels slightly damp, wait a few days and check again. During summer, most people will need to water Ledge Stonecrop every two weeks, while during winter, watering once a month is usually sufficient. However, there are several factors that can affect the frequency of watering. The following section provides considerations that can help determine how often to water.

What do I need to think about when watering my Ledge Stonecrop?

To properly water your Ledge Stonecrop, you need to consider various environmental factors. The size of the container and the type of soil will determine how often and how much water to use. Make sure the container has enough drainage holes so that excess water can escape. Smaller containers will hold less moisture, requiring more frequent watering, while larger pots will stay wet longer and need less watering. Avoid using an oversized pot as it can lead to overwatering. When repotting, move to a container just one size larger than the current one, preferably a shallow one since Ledge Stonecrop has shallow root systems. During winter, Ledge Stonecrop needs less frequent watering compared to the active growing seasons of spring and autumn. Growth slows down in winter, and the plant requires less energy and water. Additionally, evaporation is lower in cooler winter air, so the soil retains moisture for a longer time compared to summer. The specific climate of your location also plays a role. If you live in a humid area with frequent rain, you will need to water less often compared to a dry and arid climate. Remember that even within the same location, conditions can vary depending on the season and the use of indoor heating and air conditioning. If you have planted Ledge Stonecrop in the ground, it usually doesn't need additional water beyond what it receives from precipitation and dew once its root system is established. However, during extended dry periods, occasional watering may be necessary. In areas where Ledge Stonecrop can only be grown in containers, you can move the plant outside during the appropriate temperature conditions in spring and summer, and bring it back indoors as temperatures drop. A potted Ledge Stonecrop kept outside will generally require more water compared to one kept indoors, due to increased sun exposure even on a shaded porch.

How should Ledge Stonecrop be watered?

To effectively water Ledge Stonecrop, it's best to thoroughly soak it and then allow it to dry out before the next watering. This plant can withstand drought to some extent, so it's okay to let it get quite dry before watering again. It's always safer to give it too little water than too much. When watering, make sure the soil throughout the whole pot is thoroughly soaked. Instead of pouring the water in one spot, try to go around the whole rim of the planter to ensure all sides of the plant get wet. The right amount of water depends on the container size and how much the soil absorbs. Provide enough water so it drains out from the drainage holes, then ideally leave the drained water in the saucer for about 20-30 minutes to be absorbed into dry pockets of soil. Afterward, discard any excess water in the saucer to prevent waterlogging the soil. Another effective method for watering Ledge Stonecrop is bottom-watering. This involves placing the pot in a saucer of water and allowing the soil to absorb moisture through the drainage holes. You'll know the soil has absorbed enough when the top layer is moist. Although this method takes longer than top-watering, it ensures an even distribution of water throughout the pot. In its natural habitat, Ledge Stonecrop experiences dry conditions with occasional thorough rainfall. To mimic this, bottom-water your plant when the soil is completely dry. Instead of frequent light watering, it's better to give it a deep soil bath.

☀️ Light Full sun

Ledge Stonecrop thrives with strong sunlight for much of the day. It originates from a habitat where it is continually exposed to such conditions. Too little light can impede its growth, while excessive sunlight does not harm this species. Its vigorous growth is connected to greater photosynthesis thanks to its ability to take in maximum sun.

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

Ledge Stonecrop thrives best in full sun, necessitating more than 6 hours of sunlight daily for optimal growth. Its natural habitat conditions have evolved it to grow healthily under robust sun coverage, enhancing its photosynthesis capabilities. Although it can endure an excess of sunlight without adverse effects, insufficient light leads to growth hindrances. It's crucial to observe the movement of sunlight in your garden to ensure your plants receive a balanced exposure of light and shade, fostering their well-being.

How can artificial lighting be used for Ledge Stonecrop?

In scenarios where natural sunlight is lacking, especially during winter or in less sunny indoor spaces, artificial lighting serves as an essential growth enabler for Ledge Stonecrop. It's recommended to opt for LED lights that can provide specific light wavelengths needed by the plant. Full sun plants require 30-50W/sq ft of light, whereas partial and full shade plants have lower wattage needs. The artificial light source should be positioned 12-36 inches above the plant and kept on for 8-12 hours daily to mimic natural sunlight exposure effectively.

What are the symptoms of inadequate sunlight for Ledge Stonecrop?

When Ledge Stonecrop does not receive sufficient sunlight, it exhibits symptoms such as smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted growth, and lighter-colored or yellowing leaves (chlorosis). Extreme sunlight exposure can lead to sunscald, leaf curling, wilting, and leaf scorching. These symptoms reflect the plant's struggle with inadequate or excessive sunlight, impacting its coloration, structure, and overall health.

How can I address sunlight-related issues for Ledge Stonecrop?

To mitigate sunlight-related issues, indoor Ledge Stonecrops should be gradually moved to sunnier spots, aiming for at least 6 hours of direct sunlight daily, or supplemented with artificial light if relocation isn't feasible. For outdoor plants, it's essential to transition them to brighter locations gradually to prevent sunburn. Pruning nearby vegetation can reduce obstructions to sunlight, and for smaller plants, transplanting during dormancy to a sunnier location with good drainage can be beneficial. Note that while parts of the plant affected by poor light may not recover, new growth should be healthy with improved light conditions.

🌡️ Temperature 0–35°C

Ledge Stonecrop is a plant native to temperate habitats, growing well in temperatures from -18 to 95 °F (0 to 35 °C). To faithfully replicate its native conditions, keep the temperature within that preferred range year-round.

Ideal temperature: 0–35°C
FAQ
What is the ideal temperature range for growing Ledge Stonecrop?

Ledge Stonecrop thrives in temperate environments, preferring temperatures between -18 to 95 °F (0 to 35 °C). To ensure optimal growth, it's important to maintain the temperature within this range throughout the year. During winter, the plant enters a dormant state, and should be protected from extreme cold by moving it indoors if temperatures drop below -35°C. A location near a south-facing window is ideal for providing sufficient sunlight, and supplemental lighting can be used if there's not enough natural light.

How should I care for my Ledge Stonecrop during low temperatures?

Ledge Stonecrop is not tolerant of low temperatures and performs best when kept above 0°C. In winter, ensure the plant's environment remains above -35°C. Exposure to temperatures below -40°C can cause wilting, weakness, and increase the risk of root rot. If frost damage occurs, trim off affected areas and check for root rot. For damaged roots, propagation through cuttings may be necessary. Move the plant to a warm indoor location with ample sunlight near a south-facing window or provide supplemental lighting to support recovery.

What are the symptoms and solutions for Ledge Stonecrop exposed to high temperatures?

When temperatures soar above 35°C during summer, the growth of Ledge Stonecrop can halt. The plant may suffer from water loss, wilting, and become susceptible to sunburn if exposed to temperatures exceeding 38°C. To assist recovery, remove any sunburned or rotten parts and protect the plant from direct afternoon sunlight until it resumes growth. In cases of root rot from overwatering during high temperatures, cease watering until new roots have developed.

💨 Humidity
Humidity:
🪴 Soil 5-7
Soil pH: 5-7
🌱 Fertilizer

For Ledge Stonecrop, apply light doses of fertilizer one to two times a year during the growing season. Avoid fertilizing in winter or in summer when the plant is dormant. Reduce fertilizer for repotted plants and wait a couple of months after repotting before feeding. Fertilizing supports healthy growth and encourages blooms.

FAQ
Why should I put fertilizer on my Ledge Stonecrop?

Applying fertilizer to Ledge Stonecrop helps provide nutrients to the growing medium. While it does store water and nutrients, using plant food during the growing season promotes healthy growth. Fertilizing can also stimulate mature specimens to produce blooms in the same season.

When should I fertilize my Ledge Stonecrop?

Ledge Stonecrop is a plant that only requires a small amount of fertilizer during the growing season. It is recommended to fertilize them once or twice a year, in the spring and autumn, while avoiding winter and summer when the plant is dormant. If you have recently repotted your Ledge Stonecrop, it is important to be cautious with the amount of fertilizer used. It is advisable to wait a couple of months after repotting before beginning to apply fertilizer.

When is the best time to not fertilize my Ledge Stonecrop?

Ledge Stonecrop, like other plants, goes through a dormancy period. During this time, it is best to stop applying fertilizer. The plant stops growing in both summer and winter, so fertilizer should be withheld during these seasons as well. Additionally, it is recommended to avoid fertilizing for the first few months after repotting in the spring.

What kind of fertilizer does my Ledge Stonecrop require?

To properly fertilize Ledge Stonecrop, use a liquid plant food specifically made for succulents and cacti. Dilute the fertilizer by mixing it with water until it is half-strength. It is important to prevent the fertilizer from accumulating in the soil. Apply the diluted fertilizer to the plant's base and make sure to water it thoroughly. This will ensure that any excess moisture drains out of the container or is absorbed by the ground.

How do I add nutrients to my Ledge Stonecrop?

When fertilizing Ledge Stonecrop, it is easier to use liquid plant food. However, you can also use granules if you prefer. Regardless of your choice, follow the instructions on the packaging. If using liquid fertilizers, make sure to dilute them to half-strength. Always apply the plant food to the soil, whether it is granules or liquid. For granules, cover them with a thin layer of soil and water the plant.

🪴 Pot & Repot Every 2 years

For optimal growth, repot your ledge stonecrop every two years in the spring. Choose a shallow and wide pot, as this mimics its natural habitat and ensures good drainage. After repotting, place the plant in bright, indirect light and water it moderately to encourage healthy development.

Suggested frequency: Every 2 years
✂️ Pruning

To maintain the shape of your Ledge Stonecrop, prune the dense branches in both spring and autumn. Use tools such as scissors and apply sulfur powder for the best results. For propagation, cut stems that have 5-6 leaves, apply sulfur to the cut ends, and allow the wounds to heal before planting. During this process, keep the soil slightly moist.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Rhodiola
Family
Crassulaceae
Hardiness Zone
2-9
Mature Height
10 cm to 25 cm
Mature Spread
8 cm to 30 cm
Leaf Color
Dark Green, Forest Green
Leaf Type
Evergreen
Flower Color
Yellow, Pink
Flower Size
2.54 cm
Bloom Time
Mid spring, Late spring
Planting Time
Spring
Harvest Time
Early summer, Mid summer

Tags (5)

Common Names (6)

en King's-crown
en Western roseroot
en Entire-Leaf Rosewort
en Ledge stonecrop
en Entire-leaved rosewort
en Entire-leaved stonecrop