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Crassula ‘Ivory Tower’: A Guide to this Unique Succulent Plant

Crassula ‘Ivory Tower’ is a unique and low-maintenance succulent plant that is perfect for adding interest and texture to indoor or outdoor gardens. With its stacked leaf arrangement and compact growth habit, Crassula ‘Ivory Tower’ is an ideal choice for succulent gardens, rock gardens, or as a stand-alone specimen plant. In this blog post, we will discuss the appearance, characteristics, care and cultivation of Crassula ‘Ivory Tower’ and how to incorporate it into your indoor or outdoor garden.

Appearance and Characteristics of Crassula ‘Ivory Tower’

Crassula ‘Ivory Tower’ is a succulent plant native to South Africa, known for its unique, stacked leaf arrangement and compact growth habit. The leaves of Crassula ‘Ivory Tower’ are thick, triangular and glossy green in color, stacked closely together along the stem, creating a spiral pattern. The stem of the plant can grow up to 20cm (8 inches) tall, and the leaves can grow up to 3cm (1 inch) long. This plant does not produce flowers, it’s grown mainly for its foliage. It can grow to be around 15-20 cm (6-8 inches) tall and 20-25 cm (8-10 inches) wide when fully mature.

Care and Cultivation of Crassula ‘Ivory Tower’

Light and Temperature

Crassula ‘Ivory Tower’ prefers bright, indirect light, but can tolerate some shade. It can be grown indoors or outdoors, and can tolerate a wide range of temperatures, from 40 to 90 degrees Fahrenheit.

Watering and Fertilizing

Crassula ‘Ivory Tower’ is drought-tolerant and should be watered sparingly, allowing the soil to dry out completely before watering again. In winter, it’s best to water even less to prevent rotting. Fertilizing is not necessary, but if you choose to do so, use a balanced, water-soluble fertilizer during the growing season.

Pests and Diseases

Crassula ‘Ivory Tower’ is not susceptible to many pests or diseases, but mealybugs and spider mites can be a problem. Regularly inspecting the plant and removing any pests by hand is the best way to prevent infestations.

Incorporating Crassula ‘Ivory Tower’ into Your Garden

Crassula ‘Ivory Tower’ is a versatile plant that can be incorporated into a variety of garden styles. Its stacked leaf arrangement and compact growth habit make it an ideal choice for succulent gardens, rock gardens, or as a stand-alone specimen plant. It can also be grown in a container, making it a great choice for indoor gardening.

In conclusion, Crassula ‘Ivory Tower’ is a unique and low-maintenance succulent plant that is perfect for adding interest and texture to indoor or outdoor gardens. With proper care and cultivation, Crassula ‘Ivory Tower’ can thrive for many years, making it a great addition to any collection of succulent plants. If you’re looking for a new addition to your garden, consider Crassula ‘Ivory Tower’ for its unique appearance and easy care requirements.

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About Crassula 'Ivory Tower'

Crassula ‘Ivory Tower’ is a really interesting hybrid succulent between C. ‘Moonglow’ and C. perfoliata var. minor (Propeller Plant) by Myron Kimnach. 

Crassula ‘Ivory Tower’ has thick, stacked leaves with an unmistakeable notch at the base of the velvety green leaves. 

To propagate Crassula ‘Ivory Tower’ stem cuttings will work the easiest. Snip the stem between sets of leaves, let it callus for a few days and place in dry succulent soil. Since the leaves are stacked so closely together, I recommend using a piece of dental floss or fishing line to make your cut. 

General Guide to Crassula Care

Most of the 200 or so succulent species in the genus Crassula make nice low succulent shrubs in your garden, do well as container plants, and do ok as houseplants. Many are widely grown and not very hard to cultivate. Crassula species thrive in bright light and good ventilation.

Crassula plants originate all over the world, but most of the varieties in cultivation almost always come from the Eastern Cape of South Africa. Their natural habitat is in semi-arid deserts in rocky or gravelly soil.

Crassula Succulents: The Ultimate Guide

Succulents are a popular choice for indoor and outdoor gardening, due to their minimal care requirements and unique appearance. One of the most diverse and popular types of succulents is the crassula.

Crassula, also known as Jade Plants, are a type of succulent that is native to South Africa. They have been formally described by Carl Linnaeus in 1753 with 10 species. The name crassula comes from the Latin adjective “crassus”, meaning thick, referring to the thickening of the succulent leaves.

Crassula are popular for their great diversity of forms and colors. They are a truly no-fuss plant, and can grow well indoors and require minimal water. They are a fantastic choice for beginning succulent growers and anyone who wants to grow succulents indoors.


Physical Characteristics

Crassula come in a variety of shapes and sizes. The two main forms are the shrubby Jades with round, glossy leaves and the long-stemmed, trailing varieties with thin, symmetrically stacked leaves. Potted and pruned, Crassula can stay under 3 inches, but outdoors, Jade Plants can grow into large shrubs up to 6 feet tall.

Crassula also come in many shades of green, some with color accents on their leaf tips. Red, orange, and yellow accents can flush brighter with periods of stress from direct sun, cold temperatures, or restricted water.

The foliage of crassula is also diverse, with a variety of fleshy leaf shapes, including those resembling paddles, pagodas, straws, and propellers.

Crassula also have small, white to pink bloom clusters that are generally considered unremarkable. Some “stacked” Crassula species are monocarpic and will only bloom at the end of their lives after many years of growth.

Environmental Preferences

Crassula prefer indirect sunlight, which can be found in most rooms. However, if you have colorful varieties, they need to be near a sunny window or under a grow light to show vibrant red and yellow pigments. For outdoor plantings, pick partial sun locations with shade protection on hot afternoons.

Crassula also need well-draining soil like a cactus/succulent potting mix. To make your own, mix 1 part potting soil, 1 part perlite, and 1 part coarse sand. Fertilizer is not required, but 2-3 applications of balanced fertilizer in the spring and summer can encourage growth.

Crassula require minimal water, only water when soil is fully dry, then drench thoroughly. Depending on soil type, container size, and climate, watering frequency can vary from 2-8 times a month.

Most Crassula only tolerate a brief, light frost; outdoor planting is restricted to zones 9 and 10.

Types of Crassula Succulents

There are many different types of crassula succulents, including common and less common varieties.

Common Types

  • Crassula ovata (Jade Plant)

  • Crassula arborescens (Silver Dollar Plant)

  • Crassula tetragona (Mini Pine Tree)

Less Common Types

  • Crassula rupestris (String of Buttons)

  • Crassula perforata (String of Nickels)

  • Crassula falcata (Propeller Plant)

Care and Maintenance


Crassula are easy to propagate through leaf and stem cuttings, as well as offsets and division. Simply take a cutting from the stem or remove offsets from the base of the plant, let dry for a few days, and plant in well-draining soil.


Repotting should be done when the plant has outgrown its current container or when the soil has broken down and is no longer providing proper drainage. Gently remove the plant from its current container and loosen any tangled roots. Use a well-draining potting mix, such as cactus/succulent mix, and plant the crassula at the same level it was previously planted. Water thoroughly after repotting.

Pest and Disease Control

Common pests that can affect crassula plants include mealybugs, spider mites, and scale insects. Regularly inspecting the plant for pests and treating them immediately with an appropriate pesticide can prevent infestations. Avoid over-watering and providing proper drainage can also prevent issues with pests and diseases.


Crassula succulents are a versatile and easy-to-care-for addition to any collection. With a wide variety of forms and colors, they can be used in a variety of ways, such as indoor bonsai plants or outdoor landscaping plants.

Crassula plants are very forgiving growers, but they will rot if left in standing water. Always err on the side of heavier and less frequent watering and enjoy watching the plants shrink as they dry and swell when re-hydrated.

Remember to provide proper light, well-draining soil, and minimal watering. Regular inspection and treatment for pests can also help ensure healthy growth.


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