Running Bamboo: The Fast-Growing Giants for Screens, Timber & Beauty

The Runners: Speed & Scale

Phyllostachys genus (~80 species) spreads via long rhizomes—360°, indefinitely. Culms emerge at final diameter; each year's shoots get thicker/taller as root mass expands. Rhizomes shallow (18–24")—containable with HDPE barrier or concrete.

Star Cultivars

Species / Cultivar	Common Name	Culm Color	Max Height	Culm Diameter	Key Trait
P. aurea	Golden / Fishing Pole	Green→golden	30 ft	½–2 in	First US intro (1882); classic pole bamboo
P. bambusoides	Japanese Timber	Dark green→gold	100 ft	6 in	Commercial timber potential; edible shoots
P. nigra	Black Bamboo	Green→ebony (18 mo)	30 ft	1–2 in	"Crown Jewel" in Asia; premium price
P. nigra 'Henon'	Blue / Henon	Green→hazy blue	50+ ft	3½ in	Silicon bloom = blue cast; larger than black
P. pubescens	Moso	Pale green	80 ft	3–7 in	World's #1 commercial bamboo; food, fiber, fuel, film props
P. sulphurea	Robert Young	Gold w/ green stripes	50 ft	2–6 in	Ornamental standout

Containment Strategies

• Rhizome barrier: 60–80 mil HDPE, 30" deep, angled outward, seam taped. Inspect annually.
• Trench method: 12" deep trench around planting; sever rhizomes 2×/yr.
• Container culture: Large stock tanks, half-barrels, concrete planters. Limits size but prevents spread.

Uses Beyond Privacy

• Erosion control on slopes (rhizome mat holds soil).
• Windbreak / noise barrier (plant 10 ft apart).
• Culm harvest: construction, crafts, fishing poles, garden stakes.
• Edible shoots (spring) – boil 20 min to remove cyanogens.
• Carbon farming: Moso sequesters 2× trees/acre.

Planting & Care

• Spring best. Amend soil with compost.
• Water heavily first year—establish rhizome network.
• Fertilize spring/early summer (high N).
• Thin ⅓ oldest culms annually for vigor & airflow.

Respect the Power

Running bamboo is a tool, not a pet. Contain it, manage it, and it gives you tropical drama, privacy, and utility unmatched by any other plant. Neglect it, and it becomes the neighbor's problem.