Crassula cotyledonis aka Crassula Dubia

Taxonomy ID: 7906

Crassula cotyledonis belongs to the plant family Crassulaceae. It is a succulent subshrub, a small shrub that stores water. Kew gives its native range as southwestern Namibia to the Cape Provinces. The plant grows in desert or dry shrubland. These are the wild settings named in the supplied sources. The RHS says it is not native to Britain or Ireland. That statement concerns its native range, not its care needs.

The sources give few facts about the plant’s form. They call it a succulent subshrub but give no size. There are no figures for its height or spread. Nor do they describe its leaves, stems, flowers or fruit. The RHS gives a description of the genus as a whole. It does not give those details for this species. We therefore cannot use that account to describe this plant. The genus account does not establish what this species looks like.

The sources do not agree on the name’s status. LLIFLE accepts the name Crassula cotyledonis for this species. The RHS lists its status as unresolved instead. Thus, the two sources treat the name in different ways. LLIFLE also lists several synonyms on the species page. Synonyms are other names listed for the same plant. The names it lists include Globulea cotyledonis and Purgosea cotyledonis. These names form part of LLIFLE’s account of the species.

Its dry wild home gives some context for the plant. It does not, on its own, provide a tested care guide. The sources give no light advice for this species. They do not state how to water it either. Nor do they say what soil this species needs. They give no hardiness limits to show what cold it withstands. They also give no dates for when it flowers.

The gaps extend to its uses and possible risks. The sources do not establish uses for it in gardens. They do not establish which pests may pose a risk. They also do not establish whether any part is edible. Nor do they establish whether the plant is toxic. The supplied facts therefore leave both food use and safety unsettled.

Common names

Crassula Dubia, Fat Stonecrop

More information about Crassula Dubia

What is the region of origin of Crassula Dubia

Crassula Dubia’s native range is South Africa.

What are the water needs for Crassula Dubia

Crassula Dubia does best in dry soil and should only be watered sparingly.

What is the right soil for Crassula Dubia

To keep your Crassula Dubia healthy, it's important to use a potting soil that won't retain too much moisture. A soil that drains well and contains perlite or vermiculite for drainage and some organic matter for nutrition is ideal. Adding a few handfuls of perlite to regular cactus soil from the store is an easy way to create this type of soil mix.

What is the sunlight requirement for Crassula Dubia

Crassula Dubia requires abundant, bright, and direct light to thrive. The best placement for this plant is within one foot of a window to ensure it receives enough light. If you live in an area with more extreme weather, such as hot summers or cold winters, you may need to adjust the placement of the plant accordingly. During hot summer months, it is important to place the plant away from full sun, as this can cause the leaves to yellow or burn. During cold winter months, it is best to move the plant closer to the window to take advantage of the extra light that can help it survive. By keeping an eye on the current weather in your area, you can make sure your Fat Stonecrop is always in the right place to thrive.

What's the right humidity for Crassula Dubia

Crassula Dubia thrives in dry environments, but if you provide extra humidity or mist your plant, the lingering water on its leaves could create an ideal environment for certain fungal diseases.

How to fertilize Crassula Dubia

The Crassula Dubia is characterized by its slow growth and doesn't need fertilization in addition to its potting soil. By renewing the soil in its pot once a year, it should have enough nutrition. Remember, plants get their energy from sunlight, not from any fertilizers.

Is Crassula Dubia toxic to humans/pets?

There is no verified data on the toxicity of this plant in the records of Ploi. If any person, including yourself, a family member, or a pet, consume plant material with an uncertain toxicity level, it is advisable to seek the advice of a healthcare expert.

More info:
Wikipedia • GBIF

Sources

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