Blue bamboo Plant Care
Chascolytrum lamarckianum (Nees) Matthei
Updated · Sources · How we source care data
Chascolytrum lamarckianum is a unique bamboo species known for its striking blue-green canes that gracefully arch downwards, resembling cascading water. Originating from Mexico, this plant is popular among enthusiasts for its elegant appearance and distinctive growth habit.
Every 4–7 days
Full sun to partial shade
60–85°F
40–70%
At a glance
How do you care for Blue bamboo?
Water Blue bamboo every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–85°F (16–29°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Blue bamboo?
Blue bamboo (Chascolytrum lamarckianum) belongs to the Poaceae family within the Chascolytrum genus. Blue bamboo is native to Mexico. Blue bamboo is also known as Mexican weeping bamboo.
Blue bamboo displays a tall, clumping grass growth habit, reaching up to 5 ft tall with a spread of approximately 3 ft. Blue bamboo produces small inconspicuous flowers in spikelets.
Leaf size: approximately 12 inches.
How Often Should You Water a Blue bamboo?
Chascolytrum lamarckianum requires watering every 4–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 4–7 days
Let soil partially dry between waterings
What Light Does the Blue bamboo Need?
Blue bamboo thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Blue bamboo Prefer?
Chascolytrum lamarckianum grows best at temperatures of 60–85°F. Blue bamboo prefers humidity levels of 40–70%.
Temperature
60–85°F
Humidity
40–70%
What Soil Mix Works Best for a Blue bamboo?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Blue bamboo to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Blue bamboo?
Feed Blue bamboo every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Blue bamboo?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Blue bamboo?
Blue bamboo can be propagated through division, seeds. Similar propagation techniques also apply to hairy chascolytrum plant care, which shares the same genus.
Is the Blue bamboo Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Blue bamboo, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Blue bamboo?
Blue bamboo is susceptible to aphids, grasshoppers, cutworms. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Blue bamboo Need?
Blue bamboo grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Blue bamboo is native to Mexico. In cooler regions, grow Blue bamboo as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Blue bamboo is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Chascolytrum genus — compare its care with other Chascolytrum species on PlantoScan.
Chascolytrum is part of the Poaceae plant family — browse all Poaceae genera and species.
Blue bamboo thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Chascolytrum lamarckianum (Nees) Matthei, family Poaceae (first published in Willdenowia, Beih. 8: 74 (1975)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Blue bamboo, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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