Hedge Bamboo
Bambusa multiplex
Bambusa multiplex, commonly known as Hedge Bamboo, is a versatile and attractive plant native to Asia. Its dense growth habit makes it ideal for privacy screens and hedges, while its non-toxic nature makes it safe for gardens with pets and children.
Everything it needs
9 essentials at a glance
Watering
Bambusa multiplex prefers consistently moist soil, requiring watering every 1-2 weeks during the growing season.
In hotter months, increase frequency to once a week, ensuring the top inch of soil is dry before watering again. Signs of over-watering include yellowing leaves and root rot, while under-watering can cause leaf curling and browning.
Light
This bamboo thrives in full sun to partial shade, ideally receiving 6-8 hours of direct sunlight daily.
It can tolerate some shade but may grow more slowly and become leggy. For optimal growth, place it in a location that receives morning sun and afternoon shade in hotter climates.
Soil
Bambusa multiplex prefers well-draining, loamy soil with a pH range of 6.0 to 7.0.
A potting mix containing peat moss, perlite, and compost is recommended to ensure good drainage and nutrient availability. Avoid heavy clay soils that retain water.
Humidity
This bamboo enjoys moderate to high humidity levels, ideally between 40-60%.
To increase humidity, mist the leaves regularly or place a humidifier nearby. Signs of humidity stress include browning leaf tips and leaf drop.
Temperature
The ideal temperature range for Bambusa multiplex is between 60-80°F (15-27°C).
It is hardy in USDA zones 8-10, tolerating brief periods of cold down to 20°F (-6°C) but may suffer in prolonged frost. In summer, ensure it is not exposed to extreme heat without adequate moisture.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 or similar, applying every 4-6 weeks during the growing season.
In fall and winter, reduce feeding to once every 2-3 months. Signs of nutrient deficiency include yellowing leaves and stunted growth.
Pruning
Prune Bambusa multiplex in early spring to maintain shape and remove dead or damaged canes.
Use sharp, clean pruning shears to cut canes at ground level. Regularly remove any weak or crowded stems to promote healthy growth and air circulation.
Repotting
Repot every 2-3 years or when roots outgrow the pot, indicated by roots growing out of drainage holes.
Choose a pot 1-2 inches larger in diameter. To repot, gently remove the plant from its current pot, loosen the roots, and place it in fresh potting mix, ensuring the crown is at the same soil level.
Propagation
Bambusa multiplex can be propagated through division or stem cuttings.
For division, carefully separate established clumps in spring or early summer, ensuring each division has roots. For stem cuttings, take 6-8 inch cuttings from healthy stems, dip in rooting hormone, and plant in moist potting mix. Keep in a warm, humid environment until roots develop.
When it's unhappy
Yellowing leaves
Why it happens
Often caused by over-watering or nutrient deficiency.
How to fix it
Check soil moisture levels and adjust watering schedule. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Leaf curling
Why it happens
Typically due to under-watering or excessive heat.
How to fix it
Increase watering frequency and ensure the plant is not exposed to extreme temperatures.
Browning leaf tips
Why it happens
Can result from low humidity or inconsistent watering.
How to fix it
Increase humidity through misting or using a humidifier, and maintain a consistent watering schedule.
Pests (e.g., aphids, spider mites)
Why it happens
Pests can infest the plant if it is stressed or weakened.
How to fix it
Inspect regularly for pests, and treat with insecticidal soap or neem oil as needed.
Root rot
Why it happens
Caused by over-watering or poor drainage.
How to fix it
Ensure proper drainage and reduce watering frequency. If root rot is severe, consider repotting into fresh soil.
Care through the year
Spring
In spring, prune any dead or damaged canes and begin a regular watering and fertilizing schedule as new growth appears.
Summer
During summer, ensure consistent watering, especially in hot weather, and monitor humidity levels to prevent stress.
Fall
In fall, reduce fertilizing frequency and prepare the plant for cooler temperatures by ensuring it is well-watered before winter.
Winter
In winter, protect the plant from frost and cold winds, and reduce watering frequency as growth slows down.
Toxicity & Safety
Bambusa multiplex is considered non-toxic to pets and children. All parts of the plant are safe, making it a great choice for family gardens.
Good to know
How often should I water my Hedge Bamboo?
Water your Hedge Bamboo every 1-2 weeks, allowing the top inch of soil to dry out between waterings. In hotter months, increase frequency to once a week.
What type of soil is best for Bambusa multiplex?
Bambusa multiplex prefers well-draining loamy soil with a pH of 6.0 to 7.0. A mix of peat moss, perlite, and compost works well.
Can Hedge Bamboo grow in shade?
While it can tolerate some shade, Bambusa multiplex thrives best in full sun to partial shade, receiving 6-8 hours of sunlight daily.
What should I do if my bamboo's leaves are turning yellow?
Yellowing leaves can indicate over-watering or a nutrient deficiency. Check soil moisture and adjust your watering schedule, and consider fertilizing.
How do I propagate Hedge Bamboo?
You can propagate Bambusa multiplex through division or stem cuttings. Division is best done in spring, while cuttings should be taken from healthy stems.
What temperature does Hedge Bamboo prefer?
Bambusa multiplex thrives in temperatures between 60-80°F (15-27°C) and is hardy in USDA zones 8-10, tolerating brief cold spells.
Is Hedge Bamboo safe for pets?
Yes, Bambusa multiplex is non-toxic to both pets and children, making it a safe choice for family gardens.
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