Phedimus aizoon
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Phedimus aizoon

Aizoon Stonecrop · Orpin aizoon · Fei Cai

Tier 1 Difficulty: medium Water: low Light: full_sun
Water every
7 days
Temperature
5–35 °C
Soil pH
6–7
Hardiness
Zone 4–9
Click count
247
Observations
1,058

Description

Source: leafsnap

Phedimus aizoon, also known as stonecrop or Russian stonecrop, is a succulent plant belonging to the Crassulaceae family. Native to Asia and Europe, it commonly thrives in rocky areas, cliffs, and slopes. This plant features thick, fleshy leaves that are green-grey in color and adorned with small white hairs on the surface. The leaves are arranged in rosettes at the base of the stem. From late spring to early summer, Phedimus aizoon produces small yellow flowers on tall stems that rise above the foliage, attracting bees and other pollinators. Easy to grow and requiring minimal care, Phedimus aizoon prefers well-draining soil with moderate moisture levels, though it can tolerate drought conditions once established. While the plant thrives in full sun, it can also endure partial shade. Phedimus aizoon boasts several medicinal properties, including anti-inflammatory effects, wound-healing capabilities, and potential anti-cancer activity, making it valuable in traditional medicine practices. Overall, Phedimus aizoon is an attractive succulent plant with low maintenance requirements, making it an excellent choice for gardeners seeking easy-to-grow plants. It's perfect for adding greenery indoors or outdoors with minimal upkeep, all while offering medicinal benefits.

🌳 Aizoon stonecrop can surprisingly reveal the presence of certain metals in the soil, like zinc and copper. Its capacity to take up and concentrate these metals in visible ways makes it useful as a bioindicator, warning gardeners and ecologists about heavy metal levels in the soil without the need for complex testing equipment.

🎭 Perseverance and diligent work

Care Guide

💧 Water Every 7 days

Aizoon stonecrop, native to rocky slopes, is well-suited to dry areas because its succulent leaves can store water. This plant thrives in full sunlight and should be watered weekly. However, during its cooler, dormant months, it requires less watering.

Suggested frequency: Every 7 days
FAQ
How should I water my Aizoon stonecrop to keep it healthy?

When watering the Aizoon stonecrop, it is recommended to use filtered room temperature water. Tap water may contain harmful particles, so filtered water is better. The Aizoon stonecrop is used to a warm environment, so it is best to avoid using cold water as it can cause a shock to the plant. Instead of overhead watering, it is advised to directly water the soil until it is completely soaked. This method helps moisten the roots and allows them to spread through the soil and absorb the necessary nutrients.

What should I do if I give my Aizoon stonecrop too much or too little water?

Overwatering is a common issue that can harm your Aizoon stonecrop. When this happens, the stems and leaves may wilt and turn yellow. Overwatering for a long time can also lead to diseases like root rot, mold, and mildew, which can be fatal for your plant. On the other hand, underwatering is less common due to the plant's drought tolerance. However, it can still happen, resulting in brittle, brown leaves. It is important to notice signs of overwatering early to prevent irreversible damage. If you see these signs, reduce your watering schedule and check the soil's drainage. Replace poorly draining soil with a well-draining mix. If your plant shows signs of not getting enough water, simply water it more regularly until the signs disappear.

How many times a week should I water my Aizoon stonecrop?

If your Aizoon stonecrop is in a pot, the most precise way to determine if it needs water is to check the soil moisture by sticking your finger into it. If the top two to three inches of soil are dry, it's time to water. If you're growing your Aizoon stonecrop outdoors in the ground, you can use a similar method to test the soil. Again, if the top few inches of soil are dry, it's time to water. Typically, in the spring and early fall, watering once a week is sufficient. However, during extremely hot weather, you may need to water twice or more per week. It's worth noting that mature, well-established Aizoon stonecrop plants have a remarkable ability to withstand drought.

How does my Aizoon stonecrop need water?

When watering your Aizoon stonecrop, don't hold back on the amount of water you give. Make sure the top two to three inches of soil are dry before watering and then water thoroughly to saturate the soil. You should add enough water for excess to drain out of the pot through the drainage holes. If you don't see any excess water draining, you may have not watered enough. Avoid letting water accumulate in the soil as it can harm the plant. Poorly draining soils should also be avoided as they can be detrimental to the plant's health. If the plant is outside, receiving about 1 inch of rain per week should be enough.

How do I water my Aizoon stonecrop as it grows?

The water needs of the Aizoon stonecrop vary depending on its growth stages. In the initial few years or after transplanting, the plant requires extra water to support the development of new roots. These roots require more moisture to facilitate future growth. However, as the plant matures, it will require less water. Additionally, during the bloom period, the Aizoon stonecrop utilizes a significant amount of moisture for flower development, indicating the need for increased watering during this phase.

☀️ Light Full sun

Aizoon stonecrop does best when exposed to substantial amounts of daylight, which promotes vigorous growth. Its natural habitat is one with plentiful light. However, it can tolerate and remain healthy in moderately sunny conditions as well. Both excessive and insufficient light can negatively affect its growth.

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

Aizoon stonecrop thrives best in full sun or partial sun environments. Full sun exposure means the plant should receive above 6 hours of direct sunlight, whereas partial sun refers to about 3-6 hours of sunlight. It's crucial to observe the movement of sunlight in your garden and select spots that ensure a perfect balance of light and shade, promoting the well-being of your plants.

How should Aizoon stonecrop be cared for in terms of light exposure?

Aizoon stonecrop flourishes with ample daylight, enhancing its growth significantly. Its natural preference is for plentiful sunlight, but it can also adapt to moderate light conditions. Both excessive and insufficient light can harm its growth. If natural light is lacking, especially during winter or in less illuminated areas, artificial lighting becomes essential. Indoor plants benefit from artificial light, which supports their growth by providing vital light intensity. LED lights are recommended for their ability to offer specific light wavelengths needed by plants. Full sun plants require 30-50W/sq ft, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft of artificial light. The lights should be placed 12-36 inches above the plant and turned on for 8-12 hours a day to simulate natural daylight conditions.

What are the symptoms of improper light conditions in Aizoon stonecrop?

When Aizoon stonecrop is grown in inadequate lighting, it may not show immediate symptoms, but over time, signs of light deficiency can appear. These include smaller new leaves, leggy or sparse growth, faster leaf drop, slowed or halted new growth, lighter-colored new leaves, chlorosis (leaf yellowing), sunscald, leaf curling, wilting, and leaf scorching. These symptoms indicate that the plant is either receiving too much or too little light, affecting its health and growth.

How can light-related issues be resolved for Aizoon stonecrop?

To address light-related issues, for indoor plants, gradually increase sunlight exposure or use artificial lighting to ensure at least 6 hours of direct sunlight daily. Outdoor plants should be moved to sunnier spots gradually to prevent sunburn. For plants in the ground, reducing obstructions like pruning trees can help increase sunlight exposure. If a plant is small enough, consider transplanting it during its dormant period to a location with better sunlight and drainage. It's important to note that parts of the plant already affected by inadequate sunlight may not recover, but new growth should be healthy with improved light conditions.

🌡️ Temperature 5–35°C

Aizoon stonecrop is native to areas where temperatures range from 5 to 35 ℃ (41 to 95 ℉). It prefers well-drained soil and requires full sun. In spring and summer, temperatures should be kept within that preferred range. During fall and winter, maintaining 5 to 15 ℃ (41 to 59 ℉) is best for healthy growth.

Ideal temperature: 5–35°C
FAQ
What are the ideal growing conditions for Aizoon stonecrop?

Aizoon stonecrop, scientifically known as Phedimus aizoon, thrives in environments with temperatures ranging from 5 to 35°C (41 to 95°F). It requires well-drained soil and needs to be exposed to full sunlight. To maintain healthy growth, the temperature should be kept within the preferred range during spring and summer. In fall and winter, maintaining a temperature range of 5 to 15°C (41 to 59°F) is best. Aizoon stonecrop has a strong resistance to cold, so it usually does not require special frost protection measures during winter. However, if temperatures are expected to drop below -30°C, it's important to provide cold protection by covering the plant with materials such as soil or straw. Watering the plant abundantly before the first freeze in autumn helps ensure the soil remains moist and enters a frozen state, helping prevent drought and water scarcity during winter and early spring.

How does Aizoon stonecrop react to low temperatures?

Aizoon stonecrop is cold-tolerant and fares best when temperatures stay above 5°C. In winter, temperatures should be kept above -25°C. If temperatures fall below -30°C, the plant may not show noticeable changes during the winter but might exhibit a decrease in sprouting or even fail to sprout in spring. The solution for this is to remove any parts of the plant that have failed to sprout in spring.

What should I do if Aizoon stonecrop experiences high temperatures?

During summer, it's important to ensure that Aizoon stonecrop is kept below 35°C. If temperatures rise above 38°C, the plant's leaves may become lighter in color, curl, become prone to sunburn, and in severe cases, the entire plant might wilt and dry up. To combat this, trim away any sunburned and dried-up parts of the plant. Moving the plant to a shaded location or using a shade cloth to protect it from midday and afternoon sun can prevent further damage. Additionally, watering the plant in the morning and evening will help keep the soil moist and prevent drying.

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

Typically a single fertilizer application in spring is enough for Aizoon stonecrop, but several feedings can increase growth. Feed every month to every month and a half. Fertilizing improves leaf appearance and function, helping maintain uniform color and a healthy texture. It also promotes root development and nutrient uptake for the plant’s long-term health.

FAQ
Why should I add fertilizer to my Aizoon stonecrop plant?

The Aizoon stonecrop relies on its leaves for structure and function. Fertilization is crucial for maintaining healthy and visually appealing leaves. By fertilizing properly, you can ensure consistent color and a vibrant texture. Fertilization also benefits the roots by promoting new growth and maintaining the existing root system. This not only keeps the plant healthy in the present but also enhances its ability to absorb nutrients from the soil in the long run.

When should I fertilize my Aizoon stonecrop for the best results?

If you grow your Aizoon stonecrop outdoors, it will send out new growth in early spring. This is when you should start fertilizing it for the year. Usually, one application of fertilizer is enough for the plant to do well. However, if you want to maximize its growth, you can fertilize it multiple times from spring to early summer. In this case, you can feed it approximately once every month to a month and a half.

When is it not a good time to fertilize my Aizoon stonecrop?

During the late fall and winter, your Aizoon stonecrop will go into a dormant phase and stop growing. It's best to avoid fertilizing it during this time. In the spring and summer, if you choose to fertilize, start decreasing the amount as summer approaches because the growth rate of your Aizoon stonecrop will slow down. In general, it's not recommended to fertilize your Aizoon stonecrop during excessively hot weather or when the soil is very dry. Fertilizing in these conditions can stress your Aizoon stonecrop and lead to premature death.

What kind of fertilizer does my Aizoon stonecrop plant need?

Choosing the best fertilizer for an Aizoon stonecrop is actually quite simple. These plants do well with a general-purpose garden fertilizer that has equal amounts of nitrogen, phosphorus, and potassium, such as a 10-10-10 ratio. It's best to avoid fertilizers with excessive nitrogen. Granular fertilizers that are slow-release and easy to apply to the soil are commonly recommended for Aizoon stonecrops. Additionally, using organic soil amendments like compost can also be beneficial.

How should I fertilize my Aizoon stonecrop?

To ensure proper fertilization for your Aizoon stonecrop, wait until its first leaves emerge in early spring. Then, apply a granular slow-release fertilizer with a balanced formula around the base of the plant. You can repeat this process later in the season if desired. Remember to apply the fertilizer to the soil, not the plant itself, even if it means moving some leaves aside. It's also beneficial to water the stonecrop before and after fertilizing.

🪴 Pot & Repot 2-3 years

When repotting Aizoon stonecrop, pick a pot 1–2 inches (2.5–5 cm) larger with ample drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly lower than the rim of the flower pot. Water thoroughly after repotting and place it in a warm spot with indirect sunlight.

Suggested frequency: 2-3 years
✂️ Pruning

Aizoon stonecrop is a plant known for its succulent leaves and yellow flowers. Pruning is key to enhancing its growth and floral display. The best time to prune is from early to late spring, concentrating on trimming leggy stems and removing spent blooms. This process helps improve air circulation, reduces the risk of disease, and encourages the plant to grow fuller and more vibrant.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Phedimus
Family
Crassulaceae
Hardiness Zone
4-9
Mature Height
20 cm to 49 cm
Mature Spread
30 cm to 61 cm
Leaf Color
Green, Red
Leaf Type
Deciduous
Flower Color
Yellow
Flower Size
0.51 cm to 1.02 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring
Harvest Time
Mid summer
Native Area
Russia, Kazakhstan, Japan, Mongolia, Koppen, South Korea, China

Tags (5)

Common Names (3)

en Aizoon Stonecrop
en Orpin aizoon
en Fei Cai