About Alligator Plant
Alligator Plant (Kalanchoe daigremontiana) is grown for garden performance matched to its site needs. Expect full sun or partial sun, typically 0.3–0.91 m tall, low water once established.
Can Alligator Plant take your winter? Type your ZIP below and compare it with Zones 9–11.
2023 USDA ZIP listings (PRISM / USDA-ARS). Find Your USDA Hardiness Zone · Official USDA map.
Is Alligator Plant Right for Your Garden?
Best for
- Mixed borders and general garden use
- Dry gardens, gravel schemes, or water-restricted sites
- Open, sunny positions with good air movement
Not recommended if
- Permanently moist or boggy ground
- Dense shade or north-facing walls
Trade-off to know
Alligator Plant is tolerant once established, but needs consistent water in the first season. Drought tolerance builds slowly — expect 1–2 years before it can fend for itself in dry spells.
Growing Conditions for Alligator Plant
Site checklist
- Sun: full sun or partial sun
- Soil drainage: Well Drained
- Water: Low
- Hardiness zones: 9, 10, 11
Adjustments
- Wrong light level is the most common cause of weak performance
- Fix drainage before treating leaf symptoms
Shared growing steps for this plant’s group: How to Grow Kalanchoe. Notes below stay specific to this plant.
How to Care for Alligator Plant
Establishment
- Plant Alligator Plant in a site matching its sun and drainage needs
- Water regularly until roots settle, then match watering to the plant’s need
Ongoing care
- Mulch to buffer moisture swings
- Remove dead or damaged growth in season
- Avoid constant wet foliage where disease pressure is high
Diagnosing Problems with Alligator Plant
| Symptom | Likely cause | Confirming sign | Action |
|---|---|---|---|
| Leaves wilting or scorching at tips in dry weather | Drought stress | Soil dry 5+ cm deep; leaf tips brown and crisp, not soft | Water Alligator Plant deeply at the base once weekly in dry spells. Mulch around the root zone to retain moisture. |
| Sudden wilting on one branch while rest of plant looks healthy | Root rot from poor drainage in one spot | Affected branch has dark, mushy roots when gently uncovered | Cut back affected branch to healthy wood. Improve drainage in that area before the next growing season. |
Leaves wilting or scorching at tips in dry weather
- Likely cause
- Drought stress
- Confirming sign
- Soil dry 5+ cm deep; leaf tips brown and crisp, not soft
- Action
- Water Alligator Plant deeply at the base once weekly in dry spells. Mulch around the root zone to retain moisture.
Sudden wilting on one branch while rest of plant looks healthy
- Likely cause
- Root rot from poor drainage in one spot
- Confirming sign
- Affected branch has dark, mushy roots when gently uncovered
- Action
- Cut back affected branch to healthy wood. Improve drainage in that area before the next growing season.
Alligator Plant in the wild
Photo: chiuluan / iNaturalist research-grade observations, CC BY 4.0. Source: GBIF 6179453290 Record 
Photo: Thomas Irvine / iNaturalist research-grade observations, CC BY 4.0. Source: GBIF 6184980785 Record 
Photo: Thomas Irvine / iNaturalist research-grade observations, CC BY 4.0. Source: GBIF 6186055538 Record 
Photo: Eleftherios Katsillis / iNaturalist research-grade observations, CC BY 4.0. Source: GBIF 6187994039 Record 
Photo: Rajan Rao / iNaturalist research-grade observations, CC BY 4.0. Source: GBIF 6188668832 Record 
Photo: Gianmaria Bonari / iNaturalist research-grade observations, CC BY 4.0. Source: GBIF 6400254574 Record
Alligator Plant FAQ
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Is Alligator Plant easy to grow?
Alligator Plant is relatively undemanding once established, particularly in dry conditions. The most common mistakes are poor drainage and incorrect sun placement.
-
How big does Alligator Plant get?
Alligator Plant typically reaches 0.3–0.91 m. Final size depends on soil quality and available root space. Allow adequate spacing at planting — most plants reach their full spread within 5–10 years.
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How much sun does Alligator Plant need?
Alligator Plant grows best in full sun or partial sun. Planting in the wrong light level is the single most common cause of poor performance. Check the aspect of your site before choosing a position.
References
- [1] GBIF species distributions — Native range summarised from GBIF distribution records; locality noise filtered to country and macro-region terms. -
https://www.gbif.org/species/2985936 - [2] NC State Extension -
https://plants.ces.ncsu.edu/plants/kalanchoe-daigremontiana/
Taxonomic identifiers
https://www.gbif.org/species/2985936(GBIF 2985936)https://www.wikidata.org/wiki/Q311176(Wikidata Q311176)https://powo.science.kew.org/taxon/tro-8900296(POWO tro-8900296)https://www.ipni.org/n/274315-1(IPNI 274315-1)