Clumping or running bamboo before you plant a screen
Updated: October 2026
You want a living screen and the label says bamboo, sometimes with the word clump printed on a plant that still runs. Clumping or running bamboo is that choice: a clump-former unless you can install a barrier and watch it, and not a lucky-bamboo stem from the indoor table. The [bamboo plant comparison](/hub/hedges-and-privacy-screens/bamboo-plant) is desk plants and faux trees. It does not sell this decision. A qualifying purchase can earn us a commission at no extra cost to you if you buy through a link. If the fence is the job, stay on this page until the genus is one you can say out loud.
You want a living screen and the label says bamboo, sometimes with the word clump printed on a plant that still runs.
You want a living screen and the label says bamboo, sometimes with the word clump printed on a plant that still runs. Clumping or running bamboo is that choice: a clump-former unless you can install a barrier and watch it, and not a lucky-bamboo stem from the indoor table. The bamboo plant comparison is desk plants and faux trees. It does not sell this decision. A qualifying purchase can earn us a commission at no extra cost to you if you buy through a link. If the fence is the job, stay on this page until the genus is one you can say out loud.
Our top picks
| Badge | Product | Plant | Stated height | Where listed | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  Amazon Basics Amazon Basics artificial bamboo, 100 cm | Artificial bamboo | 100 cm | Indoor | 9.1 | about £27.03 | View offer |
| Alternative |  Keeplush Keeplush artificial bamboo, 150 cm | Artificial bamboo | 150 cm | Indoor | 8.2 | about £59.99 | View offer |
| Best value |  Carbeth Plants Carbeth lucky bamboo, 3 straight stems | Dracaena sanderiana | At least 30 cm; spec 40 cm | Indoor | 8.0 | about £15.99 | View offer |
On this page
What the roots do
A clump-forming bamboo thickens from the crown. New culms come up close to the ones you planted. A running bamboo sends rhizomes out sideways, and a shoot can appear a stride away from the original pot. The Royal Horticultural Society says those rhizomes often sit in the top 30 cm of soil, shallow enough to meet a patio slab and, on the RHS control page, strong enough for shoots to break hard surfaces. A clumper stays a colony you can edge. A runner treats the bed as a starting line. Which? warns that Phyllostachys sold as clump-forming can still run. Poor, dry soil can keep some Phyllostachys tighter for a while. A wet border is not that site.
Names to trust
Read the genus before you trust non-invasive. The RHS growing guide lists clump-formers as Fargesia, Bambusa, Chusquea, Shibataea, and Thamnocalamus. On a UK label for a small garden, Fargesia is the word House & Garden and the RHS both expect you to find. The same guide lists runners as Phyllostachys, Pseudosasa, Sasa, Pleioblastus, and Arundinaria. If the label says Phyllostachys, you are buying a runner even when a shop sentence says it clumps in the right soil. The RHS plant page for Fargesia rufa says clump-forming, a maximum height of 2.5–4 m, a spread of 1–1.5 m, and hardiness H5. Those heights are eventual, not the first season after a 2 litre pot. Carbeth's indoor stems are Dracaena sanderiana. They do not belong in this bed. If you cannot offer a poor dry site, and you will not fit a barrier, leave Phyllostachys on the bench.
Barrier or a pot
The RHS and Which? do not print one depth, so do not average them. The RHS growing guide says a trench at least 60 cm deep, ideally 1.2 m, with no gaps, joins overlapped at least 30 cm, and the top edge at least 7.5 cm above the soil. Which? says at least 50 cm, because most rhizomes sit in the top 30 cm. A 50 cm trench follows Which?. It does not meet the RHS figure of 1.2 m. Either way, a buried lip lets the rhizome cross. A container is the other control. The RHS bamboo-control page says a pot at least 45 cm deep. That is a large patio pot, not a windowsill tumbler. Check the rim each year. Scottish Bamboo suggests about 1 m between Fargesia plants and a bed about 80–100 cm wide. That sketch does not make a Phyllostachys safe at the same spacing.
A screen that is not these listings
The eleven amazon.co.uk listings in the bamboo plant comparison are lucky bamboo and artificial bamboo. None is a named Fargesia. A 100 cm Amazon Basics faux will not root along a fence, and a Carbeth stem at about £16 will not either. The usual living recommendation in the UK sources above is a clumping Fargesia, with year one understood as a row of young plants rather than a solid wall. Go back to the buying guide if you arrived from a general bamboo plant search and you still need to confirm you are not looking at a desk plant. Buy the genus from a nursery listing that prints it.
Law in one paragraph
Planting bamboo is not described as a crime under the Wildlife and Countryside Act 1981. A Housing Ombudsman decision on a Peabody case says bamboo is not listed as an invasive species in the way Japanese knotweed is. Spread that damages a neighbour can still be argued as private nuisance, which is civil and not a promise of compensation. In England and Wales, the Anti-social Behaviour Act 2003, Part 8, can cover a line of two or more evergreens over 2 metres that blocks light or access. Section 65(4) excludes roots, so that part does not require a council to order rhizomes out. Scotland and Northern Ireland have their own high-hedge Acts. Do not copy the English 2 metre test across unread.
Common questions
What is the difference in the ground?
A clumper sends new culms up beside the old ones, so the plant widens as a colony you can edge. A runner sends rhizomes sideways, and a shoot can come up away from the crown, including beyond a path. The RHS says those rhizomes often lie in the top 30 cm, which is why a shallow barrier can be walked over if the lip is buried. The difference is the habit on the label's genus, not the word bamboo in the title.
Can Phyllostachys stay in a clump?
It may, in poor dry soil, which is the qualification the RHS gives. Which? still warns that Phyllostachys sold as clump-forming can run. A watered, mulched garden border is not that poor dry site. Treat a Phyllostachys as a runner unless you can keep the harsh conditions and you are willing to fit a barrier if the edge moves. Do not skip the barrier beside a lawn on the strength of that dry-soil sentence.
How deep is the barrier, and why do the figures differ?
The RHS says at least 60 cm and ideally 1.2 m, with joins overlapped at least 30 cm and the top at least 7.5 cm above the soil. Which? says at least 50 cm because most of the rhizome sits in the top 30 cm. They are two published depths, not a range to average. A 50 cm trench follows Which?. It does not meet the RHS ideal of 1.2 m. Either way, a buried top edge lets the rhizome cross.
Is a pot enough?
A container at least 45 cm deep is the RHS figure for growing bamboo in a pot. That can hold a clumper on a patio if you water it and root-check it. It is not a lucky-bamboo tumbler, and it will not contain a runner that escapes over a low rim or through a split. A 45 cm pot is a control you maintain.
Is planting bamboo illegal?
No. Bamboo is not listed as Japanese knotweed is under the Wildlife and Countryside Act 1981, and the Housing Ombudsman decision cited above says it is not classed as an invasive species in that sense. You can still face a civil nuisance argument if spread causes damage. High-hedge rules in England and Wales do not require a council to order roots out.
When do I stop and hire someone?
Stop when rhizomes are under paving, a wall, or a neighbour's side, or when you need a large established clump divided. Those are not a first trench with a new barrier roll. Also stop if you have a high-hedge notice or a nuisance letter, and take that paper to someone who deals with the relevant UK nation. A young Fargesia in open soil, with the genus checked, is still a gardener's job.
Related pages
Sources
Public UK sources named below. amazon.co.uk prices, stars and review counts are from the eleven listings in this comparison, priced on 20 October 2026. Page updated October 2026.
- RHS, bamboo growing guide (retrieved 21 October 2026)
- RHS, bamboo control (retrieved 21 October 2026)
- RHS, how to grow dracaena (retrieved 21 October 2026)
- PDSA, poisonous plants (retrieved 21 October 2026)
- Anti-social Behaviour Act 2003, Part 8 (retrieved 21 October 2026)
- GOV.UK, high hedges: complaining to the council (retrieved 21 October 2026)
- BBC Gardeners' World, how to grow lucky bamboo (retrieved 21 October 2026)
- Housing Ombudsman, Peabody Trust 202215374 (retrieved 21 October 2026)
- Which?, how to grow bamboo (retrieved 21 October 2026)