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Krysna crassula
Crassula lactea
The flowers of this trailing succulent are milk-white and sweetly scented, and they may last for up to a month on the plant. Young leaves have an unusual outline of white freckles. Krysna crassula was introduced to plant cultivators in 1774 by Mr. Masson, from the Cape of Good Hope in South Africa, which is the plant's native region.

Hardiness Zones
10 to 13


More Info

Plant Type
Succulent
Scientific Classification

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported


Questions About Krysna crassula




What should I do if I water my Krysna crassula too much or too little?
Underwatered Krysna crassula
Krysna crassula and other succulents can endure long periods without water, so it’s unusual to find one of these suffering from underwatering. But, if you somehow forgot about your plant and neglected to water it for a month or more, you’ll probably find your Krysna crassula looking thirsty or with some damage from lack of watering.
It is very easy to identify an underwatered Krysna crassula. Plant look lacklustre and wrinkled. Some may have dried up completely, turned brown and crispy, or dropped off the plant. And of course, the soil will be completely dried out.
If your Krysna crassula is thirsty and underwatered, give it plenty of water as soon as possible. Submerging the pot entirely in water for about 5-10 minutes is a good way to make sure the soil and plant are rehydrated properly. When you feel a sense of moisture on the surface of the soil with your finger, it means the watering is done properly.
Overwatered Krysna crassula
Overwatering is dangerous to Krysna crassula and can be fatal to your plant if you don’t remedy the situation. Too much moisture over time leads to root rot, which prevents the roots from being able to absorb nutrients and water from the soil. Root rot occurs when wet conditions allow fungi and bacteria to flourish in the soil and feed on roots. When you find that it's overwatered, you'd better change the growing conditions, place it somewhere with more air ventilation and adjust water frequency, for example.
The symptoms of overwatering are yellow, swollen, and translucent organs that may even burst open from being over-full with water. If the problem continues without being treated, plant might turn brown or black, and fall off the plant at the slightest touch. Be sure to check the soil to determine if overwatering is the culprit, as some other issues can cause similar symptoms.
It’s a bit difficult (but not impossible) to save an overwatered plant. The key is catching it early before a lot of damage has occurred. If the roots become rotten, it is likely to kill the entire plant. If you suspect you have overwatered your Krysna crassula, the first step is to remove it from its pot and check the roots and soil.
After removing the plant from its pot, gently remove wet soil from around the roots and then rinse them clean in room-temperature water. This helps with removing fungus that might be lurking in the soil and allows you to get a better sense of how healthy the roots are. If your plant has already developed root rot, you will see roots that are dark brown or black, soft, mushy, or slimy.
If the majority of the roots are already affected by root rot, it may not be possible to save the plant. In this case, it is best to remove any healthy stem and try to use these to propagate a new Krysna crassula. If, on the other hand, only a portion of the roots have succumbed to rot and other healthy roots still remain, there is a chance it can be saved.
Use a sterilized cutting tool to remove any unhealthy-looking roots. Once you're left with only the firm, pale roots, it’s a good idea to dip them in a fungicide to kill off any remaining spores. After that you can repot your Krysna crassula in fresh, free-draining potting soil. While this does not always work to save a succulent with root rot, in most cases this plant will be able to make a full recovery and will put out new growth starting in the next growing season.
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How often should I water my Krysna crassula?
There’s not a hard-and-fast rule for how often to water Krysna crassula. The best way to determine this is to check the soil and only water when it’s bone dry. You can either stick your finger in the pot or use a moisture meter to check the soil below the surface. When you plant it in a deep pot, you can do this with a stick or chopstick. If it feels even a little bit moist, wait a few days and check it again.
Most people will need to water Krysna crassula about every two weeks in summer and once a month in winter, but there are several factors that can change the frequency. The section below lists some considerations that can help you to determine how often to water.
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What should I consider when watering my Krysna crassula?
There are several environmental conditions that will affect how your Krysna crassula needs to be watered, including the container size, soil type, temperature, and humidity.
First off, the container and soil you use will determine how often to water and how much water to use each time. Be sure you use a container with plenty of drainage holes in the bottom so extra water can escape the pot. A small container has less room for soil, meaning it won’t hold as much moisture, while a larger pot will stay wet longer and need to be watered less often. It’s important not to keep your Krysna crassula in an oversized pot as this can easily lead to overwatering. When repotting, move to just one size larger than the current container. A shallow container works better than a deep one, since Krysna crassula has shallow root systems.
Krysna crassula will need to be watered less often in winter and more often in the active growing season in spring and autumn. During the winter, growth slows down considerably and the plant isn’t using much energy or water. There is less water lost to evaporation in cooler winter air, meaning that soil stays wet for much longer than it would in the summer.
This also applies to the general climate around your home. If you live in a humid location with a lot of rain, you will need to water less often than if you live in a dry, arid climate. Remember that conditions at the same geographic location can vary significantly with the season and the use of indoor heating and air conditioning.
Outdoor Planting
If Krysna crassula is planted in the ground, after establishing a root system, it shouldn’t need supplemental water beyond what it receives through precipitation and dew. But if there is a long dry period, you may want to water occasionally. In other areas where Krysna crassula can only be grown in a container, this plant can be moved outside in the spring and summer when the temperature is proper and then brought back inside when temperatures start to drop. A potted Krysna crassula kept outside usually needs more water than the same plant kept indoors, because there is a lot more sun exposure even on a shaded porch.
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How to water Krysna crassula?
The best way to water Krysna crassula is to soak it thoroughly and then allow it to dry out before it gets watered again. Since this plant is somewhat drought tolerant, you can let it get quite dry before watering again. It is always better to give this type of plant too little water over too much.
When you water, make sure the soil gets thoroughly soaked throughout the whole pot. Don’t pour the water in just one spot, but rather try to go around the whole rim of the planter to be sure that it has a chance to get wet on all sides of the plant. The correct amount of water will depend on the size of your container and how much water your soil absorbs. Give your Krysna crassula enough water that it drains out from the drainage holes and then (ideally) leave the drained water in the saucer for about 20-30 minutes to absorb into dry pockets of soil. After that, discard any excess water that’s still in the saucer to avoid the soil getting waterlogged.
Bottom-watering is also an excellent method for Krysna crassula, as you can be sure that the soil gets thoroughly moistened. This process involves placing the pot into a saucer of water and allowing the soil to absorb moisture through the drainage holes. You will know that the soil has absorbed enough water when the top layer is moist. This takes a bit more time than top-watering, but is almost foolproof in getting an even distribution of water throughout the pot.
The original habitat of Krysna crassula is relatively dry with little rain, but when it rains, the soil will be thoroughly moistened. So you can mimic this situation by bottom-watering your plant when the soil is totally dry. Deep soil bathing is better than frequent light watering for Krysna crassula.
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More About How-Tos

Water
Every 3 weeks

Lighting
Full sun

Temperature
5 45 ℃
Krysna crassula thrives in warm environments and requires higher temperatures during the growing season to promote growth and metabolism. It enjoys ample sunlight, appropriate moisture levels, and good ventilation. However, it is susceptible to damage from excessively low temperatures and overwatering. It's important to strike a balance and avoid excessively high temperatures and overly dry conditions as well.
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More Info
Distribution
Care FAQ
More About How-Tos
Related Articles




Krysna crassula
Crassula lactea
The flowers of this trailing succulent are milk-white and sweetly scented, and they may last for up to a month on the plant. Young leaves have an unusual outline of white freckles. Krysna crassula was introduced to plant cultivators in 1774 by Mr. Masson, from the Cape of Good Hope in South Africa, which is the plant's native region.

Hardiness Zones
10 to 13


More Info

Plant Type
Succulent
Scientific Classification

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Plan your green oasis based on your criteria: plant type, pet safety, skill level, sites, and more.
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Distribution Map
Map

Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported

Questions About Krysna crassula




What should I do if I water my Krysna crassula too much or too little?

How often should I water my Krysna crassula?

What should I consider when watering my Krysna crassula?

How to water Krysna crassula?


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Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.
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Water

How Often Should I Water Krysna Crassula?

Every 3 weeks
Watering Frequency

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Important Symptoms
Overwatering
Overwatering can easily lead to disease symptoms in Krysna crassula, as it has evolved mechanisms to survive drought conditions. For instance, the plant stores water in its tissues, closes its stomata, and reduces water loss. Symptoms of overwatering include yellowing leaves, brown or black spots, leaf rot...
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(Symptom details and solutions)
Brown or black spots

Excessive watering can damage the plant's root system, making it vulnerable to fungal infections. The plant may develop dark brown to black spots that spread upwards from the lower leaves which are usually the first to be affected.
Leaf rot

Overwatering can cause the leaves to become waterlogged, leading to rotting when the environment is humid.
Soft or mushy stems

Excess water can cause stems to become soft and mushy, as the cells become waterlogged and lose their structural integrity.
Root rot

Excess water in the soil can lead to the growth of harmful fungi and bacteria, causing the roots to rot and eventually kill the plant.
Increased susceptibility diseases

Overwatering plants may become more susceptible and diseases as their overall health declines, weakening their natural defenses.
Solutions
1. Adjust watering frequency based on seasons and soil dryness. Wait for soil to dry before watering.2. Increase soil aeration by loosening surface and gently stirring with a wooden stick or chopstick.3. Optimize environment with good ventilation and warmth to enhance water evaporation and prevent overwatering.
Underwatering
For Krysna crassula, it is not prone to experiencing plant health issues due to lack of watering. However, it is possible to suffer from dehydration if watering is consistently forgotten for an extended period. Symptoms of dehydration include wilting, yellowing leaves, root damage...
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(Symptom details and solutions)
Wilting

Due to the dry soil and insufficient water absorption by the roots, the leaves of the plant will appear limp, droopy, and lose vitality.
Yellowing leaves

The leaves may begin to yellow or develop dry tips as a result of water stress and reduced nutrient uptake.
Root damage

Prolonged underwatering can cause root damage, making it difficult for the plant to absorb water even when it is available.
Loss of turgor pressure

When plants are underwatered, their cells lose water, causing a loss of turgor pressure. This can result in the plant appearing limp or deflated.
Slow growth

The plant may exhibit delayed development or slow growth due to not receiving enough water to support its growth.
Solutions
1. Thoroughly saturate soil with slow ring watering to ensure uniform and sufficient moisture for plants. 2. Increase air humidity with water trays or misting to slow leaf water evaporation. 3. Watering according to the recommended frequency.Adjust watering frequency based on seasons and soil dryness.

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Lighting


Indoor

Indoor

Outdoor



Requirements

Full sun
Ideal
Above 6 hours sunlight

Partial sun
Tolerance
About 3-6 hours sunlight


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Temperature


Indoor

Indoor

Outdoor



Requirements

Ideal
Tolerable
Unsuitable

Essentials
Krysna crassula thrives in warm environments and requires higher temperatures during the growing season to promote growth and metabolism. It enjoys ample sunlight, appropriate moisture levels, and good ventilation. However, it is susceptible to damage from excessively low temperatures and overwatering. It's important to strike a balance and avoid excessively high temperatures and overly dry conditions as well.
Krysna crassula is a heat-loving plant that gradually stops growing and enters a dormant state during the winter. When the outdoor temperature drops below {Tolerable_growing_temperature_min}, it should be moved indoors for cultivation. Choose a location near a south-facing window to provide as much sunlight as possible. If there is insufficient natural light, supplemental lighting can be used. When the temperature falls below {Suitable_growth_temperature_min}, the plant's growth slows down, and watering should be reduced or stopped to prevent root rot. For Krysna crassula grown outdoors, watering should be completely halted during low temperatures. If feasible, you can set up a temporary greenhouse for insulation or use materials such as plastic film or fabric to wrap the plant during cold temperatures.
Important Symptoms
Low Temperature
Krysna crassula thrives in high temperatures and is not tolerant of low temperatures. It grows best when the temperature is above {Suitable_growth_temperature_min}. During winter, it should be kept above {Tolerable_growing_temperature_min}. When the temperature falls below {Limit_growth_temperature}, the plant may become weak, wilt, and be prone to root rot. In cases of mild frost damage, there may not be any initial symptoms, but after a week, the plant will gradually wither.
Solutions
Trim off the frostbitten areas, paying attention to whether the roots have rotted. If the roots have rotted, they need to be cut off, and the plant can be propagated through cuttings. Immediately move indoors to a warm environment and place the plant near a south-facing window to ensure ample sunlight. If there is insufficient light, you can use supplemental lighting.
High Temperature
During summer, Krysna crassula should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the plant's growth will cease, it will experience water loss, wilting, and becomes more susceptible to sunburn.
Solutions
Remove the sunburned and rotten parts. Shield the plant from afternoon sunlight until it recovers and starts growing again. For plants with root rot, stop watering until new roots begin to emerge.

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