Light
Medium indirect • approx. 5,000–10,000 lux






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Cyanastrum cordifolium is a compact tropical understory plant that pairs glossy, heart-shaped leaves with small blue-violet flowers that appear close to the foliage instead of towering above it. The overall effect is lush but controlled, which makes it especially useful for humid shelves, terrariums, and smaller tropical displays where oversized leaves would overwhelm the space. It has a quieter presence than louder collector plants, yet the combination of polished foliage and soft flower colour gives it real depth when grown well.
Warmth, steady moisture, an airy humus-rich substrate, and decent humidity are what keep it balanced and ornamental, while cold drafts, compacted soil, or irregular watering tend to stall growth and dull the clean, fresh look that makes this species attractive.
Light
Medium indirect • approx. 5,000–10,000 lux
Water
Water when ~20–35% dry
Substrate
Moisture-retentive but aerated • Evenly moist • Organic-leaning • Fine-medium
Temperature
Ideal: 18–24 °C • Avoid below: 15 °C
Humidity
Humid 60–80 % +
Growth habit
tuberous geophyte herb
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 30 cm • Max. spread: 30 cm
Toxicity & safety
Unknown – not confirmed on ASPCA/reliable vet sources
Origin & habitat
Nigeria to W. Central Tropical Africa; wet tropical habitat
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.