Adromischus marianae var. tanqua

Adromischus marianae var. tanqua is a compact form of the highly variable Adromischus marianiae complex, associated in cultivation with plants from South Africa's Tanqua Karoo. It develops thick, rounded to somewhat wedge-shaped leaves held closely together on short stems, forming dense clusters as the plant matures.

Compact Rounded Foliage

The fleshy leaves are typically bright to grey-green and can develop bronze, reddish or purplish tones according to season, light and growing conditions. Their surface has a fine texture and may develop a pale waxy bloom, while the thick, rounded form of the leaves gives established plants a particularly compact appearance.

Individual leaves vary naturally in shape and can range from broadly rounded to more angular or slightly pointed. New growth forms closely around the short stems, with branching gradually producing additional clusters.

The Variable Adromischus marianiae Group

Adromischus marianiae is a highly variable species native to arid parts of southern Africa, with a natural range extending from southern Namibia through South Africa's Northern and Western Cape. It occurs in rocky habitats and crevices across several dry vegetation regions, including the Tanqua Karoo.

The name “Tanqua” is widely used in succulent cultivation for this compact form associated with the Tanqua Karoo. Although it is often sold as Adromischus marianae var. tanqua, modern botanical treatments do not generally recognise tanqua as a formally accepted botanical variety. We retain the familiar horticultural name used for this plant in cultivation.

Flowers & Growth

Established plants can produce slender upright flower stems carrying small tubular flowers typical of the Adromischus marianiae group. The flowers are relatively inconspicuous compared with the foliage, with greenish to pale colouring and pink to purplish tones around the lobes.

Growth is naturally compact and relatively slow, with older plants gradually branching to produce broader clusters. The thick leaves provide substantial water storage and allow established plants to tolerate extended periods of dry conditions.

Growing Adromischus marianae var. tanqua

Grow in a very free-draining succulent mix in a bright position with good airflow. Good light helps maintain compact growth and can encourage stronger bronze, reddish or purplish foliage tones, although plants should be acclimatised gradually before exposure to intense direct sun.

Water thoroughly when required and allow the growing medium to dry appropriately between waterings. Avoid fixed watering schedules, particularly during cooler conditions when moisture use can be considerably reduced. Prolonged wet conditions around the roots should be avoided.

Please note: From our experience growing, handling and shipping this variety of Adromischus, we consider it well suited to shipping. However, individual leaves can occasionally detach if the plant is physically disturbed during transit or unpacking. A small amount of leaf drop can therefore occur and does not in itself indicate that the plant is unhealthy.

In the wild, leaf detachment and subsequent rooting is a natural means of vegetative reproduction in Adromischus, helping the plants reproduce and persist in their natural habitat. If leaves become detached from your plant, simply lay the healthy leaves on the surface of a free-draining succulent mix in bright, protected light. New roots and shoots will often develop from the base of the leaf over the following weeks. Once roots and new growth begin to develop, gently nestle them into the growing medium and allow the new plant to establish.

Adromischus marianae var. tanqua plants for sale shown in 90mm pots. You will receive same or similar plants as those shown in images. Colours, leaf shape and growth form will vary naturally between plants and according to time of year and growing conditions.