Choosing Plants for Container Gardening: Bamboos, Grasses, Ferns and Spiky Plants

When choosing plants for container gardening, you can add interest to your display by using bamboos, grasses, ferns and spiky plants to provide texture, form and contrast.


We've picked out some of our favourites to get you started.

Choosing Plants for Container Gardening: Bamboos

Bamboos are very well suited to container growing and provide year round interest and architectural form. They really come into their own in contemporary and minimalist schemes, and, of course, they are indispensable in Japanese style gardens.

The two spreading bamboos below can spread quite vigorously if you plant them directly in a border, so growing them in large containers is an excellent way to control them.

Phyllostachys nigra, Black Bamboo
Phyllostachys nigra (Black Bamboo)
Form: evergreen spreading bamboo
Hardiness: UK - hardy; North American hardiness zones 7 to 10
Situation: sun or partial shade, protect from cold winds
Height: 2-3m (6-10ft)
Spread: as wide as your container allows
Awards: RHS AGM

Reasons to grow: A graceful arching evergreen with lance shaped dark green leaves. The green stems turn black in their second or third year. A great feature plant.

Do not plant it in a container with a narrow neck otherwise it will become stuck - a wooden half barrel is a good choice.

Sasa palmata f nebulosa, Palm Bamboo
Sasa palmata f. nebulosa (Palm Bamboo)
Form: evergreen spreading bamboo
Hardiness: UK - hardy; North American hardiness zones 6 to 10
Situation: prefers partial to full shade
Height: 1.5-2m (4.5-6ft)
Spread: as wide as your container allows
Awards: RHS AGM

Reasons to grow: Green canes streaked with purple and striking palm like leaves make this a handsome specimen plant. Very useful for giving a tropical feel to your planting scheme. It likes to be sheltered from winter winds to prevent leaf browning.

Again, do not plant it in a container with a narrow neck otherwise it will become stuck.

Choosing Plants for Container Gardening: Ornamental Grasses

Ornamental grasses are also invaluable in the container garden, either as single specimens or grouped with other plants where their delicate foliage provides a contrast. Most grasses will grow well in pots, but these are our some of our favourites.

Festuca glauca, Sheep's Fescue, Blue Fescue
Festuca glauca (Sheep's Fescue, Blue Fescue)
Form: evergreen perennial grass
Hardiness: UK - hardy; North American hardiness zones 4 to 8
Situation: sun to partial shade
Height: 30cm (12in)
Spread: 25cm (10in)
Awards: RHS AGM

Reasons to grow: A very well behaved evergreen ornamental grass with dense tufts of blue green leaves. It adds winter interest and acts as a good foil to other plants.

Hakonechloa macra Aureola, Golden Japanese Forest Grass, Hakone Grass
Hakonechloa macra 'Aureola' (Golden Japanese Forest Grass, Hakone Grass)
Form: deciduous perennial grass
Hardiness: UK - hardy; North American hardiness zones 5 to 9
Situation: sun to partial shade
Height: 40cm (16in)
Spread: 50cm (20in)
Awards: RHS AGM

Reasons to grow: This elegant grass has graceful yellow leaves striped with green and cream and an arching habit which allows it to cascade over the side of its container. Delicate red brown flower spikes are produced in late summer, and the leaves themselves flush red in the autumn.

Looks absolutely stunning in a simple oriental inspired ceramic container.

Stipa tenuissima, Feather Grass
Stipa tenuissima (Mexican Feather Grass)
Form: deciduous perennial grass
Hardiness: UK - hardy; North American hardiness zones 7 to 10
Situation: sun
Height: 60cm (2ft)
Spread: 30cm (1ft)

Reasons to grow: This versatile deciduous grass looks great in a large container. Its wispy, pale yellow-green leaves are topped with fluffy plumes of silver-green flowers fading to blonde. The fountains of billowing leaves and flowers are ideal for introducing movement into your planting scheme.

Choosing Plants for Container Gardening: Ferns

Ferns are an excellent choice for giving a lush leafy atmosphere to your container garden. They have the added advantage that they can be grown in shady corners. Make the most of them by grouping next to plants with contrasting foliage.

Asplenium scolopendrium (Hart's Tongue Fern)
Form: evergreen fern
Hardiness: UK - hardy; North American hardiness zones 6 to 8
Situation: full shade
Height: 70cm (27.5in)
Spread: 60cm (24in)
Awards: RHS AGM

Reasons to grow: This evergreen fern has prehistoric looking glossy tongue-shaped fronds that unfurl in early spring and provide year round interest. Some varieties, such as Asplenium scolopendrium 'Crispum', have unusual crested margins.

This fern is a true shade loving plant and the leaves will discolour if it receives more than a couple of hours of sunshine a day.

Blechnum spicant, Hard Fern
Blechnum spicant (Hard Fern)
Form: evergreen fern
Hardiness: UK - hardy; North American hardiness zones 5 to 8
Situation: partial to deep shade
Height: 30-75cm (12-30in)
Spread: 30-45cm (12-18in)
Awards: RHS AGM

Reasons to grow: Grow this evergreen fern for year round interest and as a foil for flowering bulbs throughout the year. Over time, the leathery, dark green fronds spread out to form an attractive rosette.

Osmunda regalis, Royal Fern
Osmunda regalis (Royal Fern)
Form: deciduous fern
Hardiness: UK - hardy; North American hardiness zones 3 to 9
Situation: light or partial shade, keep moist
Height: 90cm to 2m (3 to 6.5ft)
Spread: up to 1m (3ft)
Awards: RHS AGM

Reasons to grow: This large distinguished looking deciduous fern is definitely worth growing if you are prepared to keep it well watered. Its bright green fronds gradually unfurl and then turn bronze in autumn and the divided foliage contrasts well with other foliage plants.

Good in a large container to allow it to achieve its full size.

Choosing Plants for Container Gardening: Spiky plants

These architectural plants are invaluable for providing structure. Their strong forms can be displayed in splendid isolation or used in a grouped display to provide contrast and form. They are also useful for providing a focal point for a vista.

The sizes given below are for container grown plants - in ideal conditions these plants can grow much larger.

Cordyline australis, Cabbage Palm
Cordyline australis (Cabbage Palm)
Form: evergreen tree
Hardiness: UK - frost hardy; North American hardiness zones 8 to 11
Situation: full sun to partial shade
Height: 2-3m (6-10ft)
Spread: 1m (3ft)
Awards: RHS AGM

Reasons to grow: An architectural, palm-like tree with striking spiky leaves. Mature specimens produce clusters of creamy flowers in summer, followed by blue black berries. Purple and variegated varieties are also available giving lots of options.

Useful as a focal point, accent plant or a centrepiece in a large container surrounded by flowering and trailing plants.

In colder areas plants may need winter protection - either cover with horticultural fleece or move into an unheated greenhouse. In our own garden we have found the purple leaved varieties to be more prone to frost and wind damage than the green leaved ones. The photo shows one of our green-leaved specimens rimed with frost during a cold snap and it has yet to come to any harm!

Eventually your plant may become too large to remain as a container plant but it can then be easily transplanted into a suitable border.

Phormium tenax 'Pink Stripe', New Zealand Flax
Phormium tenax (New Zealand Flax)
Form: evergreen perennial
Hardiness: UK - frost hardy; North American hardiness zones 8 to 10
Situation: full sun
Height: 2m (6ft)
Spread: 1m (3ft)
Awards: RHS AGM

Reasons to grow: Another very striking architectural foliage plant with upright sword-shaped leaves, green above and blue green beneath. In summer more mature plants produce very tall spikes of reddish flowers and these remain as seedheads during the winter months.

Some varieties have bronze or striped foliage - the photo shows the variety P. tenax 'Pink Stripe'.

Excellent in minimalist and urban settings and also very tolerant of coastal conditions.

Like the Cordyline it may need winter protection in colder areas - either cover with horticultural fleece or move into an unheated greenhouse or well-lit room.

Yucca filamentosa Bright Edge
Yucca spp (Needle Palm)
Form: evergreen shrub
Hardiness: UK - fully to frost hardy; North American hardiness zones 5 to 11 depending on species
Situation: full sun
Height: 1-1.5m (3-4.5ft)
Spread: up to 1m (3ft)
Awards: many hold the RHS AGM

Reasons to grow: These spiky evergreen shrubs make excellent container specimens with dramatic sword shaped leaves and panicles of usually white flowers in summer. They look particularly good in an urban or minimalist scheme or mediterranean style courtyard.

Yucca filamentosa is probably the hardiest, so choose this if you live in a colder area. (The photo shows the very stiking Y. filamentosa 'Bright Edge'.) More tender cultivars can be covered with horticultural fleece or moved into an unheated greenhouse or well-lit room in the winter months.

Need More Information?

General tips and information about container gardening can be found at gardening in containers.

Not sure what type of containers to buy? Check out the different types and materials at garden plant container.

If you would like more ideas on what to plant, go to Choosing Plants for Container Gardening: Trees and Shrubs.


Top Summer Gardening Tips

"Summer is a glorious time of year in the garden so check out our essential summer gardening tips and make the most of your backyard.

To make things easier, we asked an expert gardener to pick out the most important seasonal tasks - the ones that deliver the most benefit for the least amount of effort!"




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