Glottiphyllum cruciatum, the Tormented Tonguefig, is a unique succulent with triangular, tongue-like leaves, native to South Africa. It thrives in well-drained soil and b
At-a-glance light, water, soil, and growing conditions from plant data
Bright Indirect Light to Full Sun
75% intensity
Prefers bright, indirect light, but can tolerate full sun if gradually acclimated. Protect from intense afternoon sun.
Drought Tolerant
25% intensity
Allow soil to dry out completely between waterings. Reduce significantly in winter.
Well-draining, gritty
50% intensity
Moderate to Warm
50% intensity
Prefers average room temperatures (18-24°C) during the growing season. Can tolerate cooler temperatures (10-15°C) in winter dormancy.
Outdoor, Indoor
50% intensity
Low Feed
25% intensity
Fertilize sparingly during the growing season with a diluted succulent fertilizer. Do not fertilize in winter.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Allow the soil to dry out completely between waterings. Overwatering is the most common cause of Glottiphyllum cruciatum demise.
Water thoroughly when the substrate is dry, but ensure excellent drainage to prevent root rot. Reduce watering significantly during winter dormancy.
Pruning is generally not required for Glottiphyllum cruciatum as it maintains a compact growth habit. Remove any dead or damaged leaves at the base to maintain plant health and appearance.
This also helps prevent potential fungal issues.
Easily propagated from offsets or stem cuttings. Allow cuttings to callus for a few days before planting in well-draining succulent mix. Offsets can be gently separated and planted directly.
Water sparingly until roots have formed.
Repot Glottiphyllum cruciatum every 2-3 years or when it outgrows its container. Use a gritty, well-draining potting mix specifically formulated for succulents or cacti.
Repot in spring before active growth begins to minimize transplant shock.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Tormented Tonguefig (Glottiphyllum cruciatum)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Aizoaceae |
| Genus | Glottiphyllum |
| Species | Glottiphyllum cruciatum |
Similar in genus Glottiphyllum
Answers based on plant encyclopedia data
