Titanopsis Calcarea

Description

Titanopsis Calcarea, also known as the limestone living stone, is a small succulent that is native to South Africa. It belongs to the Aizoaceae family and is a member of the Mesembryanthemoideae subfamily. This plant is highly valued by collectors due to its distinctive appearance and unique growth habits.

Taxonomic Information

Appearance

The Titanopsis Calcarea has a unique appearance that sets it apart from other succulents. This plant forms a compact rosette of thick, triangular leaves that have a bluish-green color. The leaves are covered in small, white bumps that give them a rough texture. When the plant is in bloom, it produces bright yellow flowers that are about 1 inch in diameter.

Care Guide

Titanopsis Calcarea is a relatively easy plant to care for as long as you provide it with the right growing conditions. Here are some tips:

Water

This plant is drought-tolerant and can survive long periods without water. However, it does need some moisture to thrive. Water your Titanopsis Calcarea sparingly, only when the soil is completely dry. Overwatering can cause the plant to rot.

Fertilization

Titanopsis Calcarea does not need much fertilizer. You can feed it with a balanced, water-soluble fertilizer once a month during the growing season (spring and summer). Do not fertilize during the winter months.

Soil

This plant prefers well-draining soil that is slightly alkaline. You can use a commercial cactus mix or make your own by mixing equal parts of sand, perlite, and potting soil.

Sunlight

Titanopsis Calcarea needs bright, direct sunlight to thrive. It can tolerate some shade, but too much shade can cause the plant to stretch and lose its compact shape.

Hardiness Zones

This plant is hardy in USDA zones 9a-11b, which means it can survive temperatures as low as 20°F (-6°C).

Common Pests & Diseases

Titanopsis Calcarea is relatively pest and disease-resistant. However, it can be susceptible to root rot if overwatered. Here are some common pests that can affect this plant:

Mealybugs

Mealybugs are small, white insects that can infest the leaves and stems of the Titanopsis Calcarea. They can be controlled by wiping them off with a cotton swab dipped in alcohol or by using an insecticidal soap.

Spider Mites

Spider mites are tiny, red insects that can damage the leaves of the Titanopsis Calcarea. They can be controlled by spraying the plant with a solution of water and dish soap or by using a miticide.

Habitat

The Titanopsis Calcarea is native to the Western Cape region of South Africa. It grows in rocky, limestone outcrops and can tolerate high temperatures and dry conditions.

Question and Answer

Q: Can Titanopsis Calcarea be propagated from cuttings?

A: Yes, this plant can be propagated from stem cuttings. Allow the cuttings to dry for a few days before planting them in well-draining soil.

Q: What is the best way to overwinter Titanopsis Calcarea?

A: This plant is dormant during the winter and does not need much water or sunlight. Keep it in a cool, dry place and water sparingly.

Q: How often does Titanopsis Calcarea bloom?

A: This plant blooms once a year, usually in the spring.

Q: Can Titanopsis Calcarea be grown indoors?

A: Yes, this plant can be grown indoors as long as it receives bright, direct sunlight and is not overwatered.

Related Plants

• Titanopsis fulleri
• Titanopsis hugo-schlecteri
• Titanopsis primosii
• Titanopsis schwantesii

References

• “Titanopsis calcarea.” World of Succulents. Accessed 3 September 2021. https://worldofsucculents.com/titanopsis-calcarea-limestone-living-stone/
• “Titanopsis calcarea.” Dave’s Garden. Accessed 3 September 2021. https://davesgarden.com/guides/pf/go/66741/
• “Titanopsis.” Wikipedia. Accessed 3 September 2021. https://en.wikipedia.org/wiki/Titanopsis