Haworthia Mirabilis

Haworthia Mirabilis Image

It is a unique succulent with beautiful, thick, fleshy leaves. It is slow growing and remains solitary for some time before it offsets, which may or may not happen. The plant is a native of the West Cape Province of South Africa.

Scientific Name:Haworthia Mirabilis
Other Names:Aloe mirabilis, Catevala mirabilis, Apicra mirabilis and Haworthia refusa var. mirabilis.
Growth Season:Spring and summer
Preferred Temperature:It does best in temperatures between 15 and 20oC (59-68oF). It is frost hardy up to -5oC (23oC).
Hardiness Zone:USDA Zone 10a-11b
Average Mature Height & Width:It grows to about 15 cm high (6 inches). The rosette diameter averages between 5-7 cm (2-2.7 inches)
Dormancy:The plant is dormant in winter.
Toxicity:It is not toxic to pets and humans. The majority will only happen if one ingests it.
Haworthia Mirabilis Summary

Haworthia Mirabilis Physical Characteristics

 This is a beautiful plant whose name, mirabilis, means ‘worthy of admiration.’ Its leaves are its most outstanding feature. A typical leaf is 3-4 cm long and chunky; it can be as thick as 1.5 cm thick. The plants are dark green and retuse with recurved tips.

The leaf faces are somewhat translucent, which makes a conspicuous central line visible. The plant produces inflorescence; it is thin, about 25 cm tall. It produces flowers from these stalks. The flowers are elongated with petals that are pinched at the end. 

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Haworthia Mirabilis Care

It can use water from one drink for a long time as a succulent before requiring another. Allow the soil to dry out before watering again, like when you use the soak-and-dry method. Keep the soil moist during hot summers but ensure it doesn’t get too wet. Allow the soil to dry completely before watering again in winter.

Adequate lighting is essential for its survival and quality, but keep it mostly under indirect sunlight.  You can expose the plant to direct sunlight for a few hours daily to facilitate growth and enhance foliage color when the sun is not too hot. The correct amount of sunlight will make the leaf’s veins more pronounced, enhancing the plant’s appearance. It can withstand winter and grow in temperatures as low as -5oC (23oF). Move it indoors if the temperatures get too cold or the weather too wet.

You can give it some fertilizer a few times in the growing season. The fertilizer should be a slow-release general-purpose fertilizer. Avoid feeding the plant too much nitrogen because it makes succulent leaves too watery and soggy.

The substrate in which you grow the plant should be very well drained but moisture retentive. It prevents water logging and therefore saves your plant from root rot.  A 50:50 mix between loamy soil and gravel will work. However, you can buy a commercial cactus mix to grow it in.

DO YOU KNOW? Caring (propagating, pruning/trimming, beheading, watering, …) is a set of skills that is widely applicable to succulents. Read the in-depth guide here >>

Richard Miller – Succulent City

Haworthia Mirabilis Growth

It doesn’t produce offsets, so you can only propagate it using leaf cuttings or seeds. It usually doesn’t need pruning except when looking for a leaf cutting to propagate.

Repotting is also rare because it is a slow-growing plant. The primary way to get the plant sick is by overwatering, so avoid it. Mealybugs, scale insects, and root insects are the main pests.

Before you leave …

You can see all plants from the Haworthia genus on Succulent City on this page. Or the previous/next plant:

Succulent City chief editor


Succulent City

Hey everyone! Welcome to Succulent City! We are all about succulents, cacti, and a bit about air plants. Ten years back, in 2013, we began the journey with succulents. It started as a simple hobby, crafting and selling charming succulent-themed pins and decorations. But as time passed, our fascination with these remarkable plants grew, and we gained extensive knowledge about them. Therefore, Succulent City is the blog as you see it is now. Enjoy your visit and happly planting!

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Posted in Succulents