6 Thrillers for Fantastic Container Plantings

from The Weatherstaff PlantingPlanner – intelligent garden design software

The Thrillers are usually the tallest plants in the display, the eye-catchers and head-turners. They provide structure to the planting group.

Here are my 6 choices for plants with superb thriller qualities.

Acer palmatum

There are hundreds of varieties of Japanese maples and they are a popular choice for container plantings as well as for garden borders.

Acer palmatum Bloodgood - Japanese Maple from Weatherstaff Planting Planner
Acer palmatum Bloodgood

Acer palmatum ‘Bloodgood’ is a small, deciduous tree or large shrub, grown for its beautiful autumn colours. The deeply dissected, dark reddish-purple leaves turn a brilliant red in autumn.

Acer palmatum Katsura from Weatherstaff garden design software
Acer palmatum Katsura

‘Katsura’ has wonderful spring colour. The attractive foliage opens pink-orange, becoming green in summer, before taking on yellow, orange and red autumn tints.

Acer palmatum Ukigumo - container planting from Weatherstaff
Acer palmatum Ukigumo

The small, deeply lobed leaves of ‘Ukigumo’ are mottled green, white and pink

Phormium

A stunning architectural plant, with arching, strap-shaped foliage. An evergreen perennial, phormiums provide all-year round interest in the garden.

Phormium Evening Glow - container plants from Weatherstaff garden design software
Phormium Evening Glow

‘Evening Glow’ has bold clumps of soft sunset-pink leaves, with dusky bronze stripes and margins.

Phormium Pink Panther - eye-catching container plant from Weatherstaff garden design software
Phormium Pink Panther

‘Pink Panther’ has coral leaves with bronzed grey-green margins.

Phormium Dusky Chief - thriller plant from Weatherstaff Planting Planner
Phormium Dusky Chief

‘Dusky Chief’ has deep burgundy foliage, which makes a great foil for chartreuse planting companions.

Pennisetum

Many grasses do well in pots, creating a fluid, tactile backdrop to the rest of the planting.

Pennisetum x avena Rubrum - grasses for container planting
Pennisetum x avena Rubrum

Pennisetum x avena Rubrum (Purple Fountain Grass) is a spectacular centre-piece when in flower. It has burgundy red, strappy foliage, with 30cm long, purple bottlebrush plumes from mid-summer to mid-autumn. It isn’t hardy, so be ready to move it into a greenhouse or a sheltered spot for the winter.

Pennisetum alopecuroides ‘Hameln’ - grasses for flower pots from Weatherstaff
Pennisetum alopecuroides ‘Hameln’

Pennisetum ‘Fairy Tails’ is more upright, with white to soft pink plumes, fading to buff. It is a little hardier and should survive in mild areas of the UK.
Pennisetum alopecuroides ‘Hameln’ has bright green leaves and soft plumes with purplish tinges

Gaura

Long-flowering and graceful, gaura is a pretty perennial with starry flowers fluttering on long, airy stems.

Gaura Whirling Butterflies - thriller perennial for container gardening
Gaura Whirling Butterflies

Gaura ‘Whirling Butterflies’ has 75cm tall, waving stems of floating white flowers from May to September and takes on pretty autumn tints later in the year.

Gaura Crimson Butterflies - perennials for container plantings
Gaura Crimson Butterflies

‘Siskiyou Pink’ (1.5m tall) has dusky pink flowers. The fabulous Gaura lindheimeri Rosyjane (‘Harrosy’) (75cm tall) has white flowers with a pink-flushed edging. ‘Crimson Butterflies’ has bright pink flowers on red stems but is shorter at only 60 cm height.

Achillea

Achilleas are upright perennials, with flat-topped flowerheads from early to late summer. Deadheading will encourage further flowering, but if you leave the flowers on the plant, you can enjoy a pleasing tapestry of muted colours as the flowers fade.

Achillea Walther Funcke - container plant from Weatherstaff Planting Planner
Achillea Walther Funcke

Achillea millefolium ‘Walther Funcke’ grows to 60cm. Its flowers are orange-red with yellow centres, fading with age.

Achillea millefolium Cassis - great plant choice for container gardening
Achillea millefolium Cassis

‘Cassis’ (60cm) has wine-red flowers, fading with age. ‘Terracotta’ (1.1m) has pale orange flowers, which fade to creamy yellows.

Penstemon

A charming and popular summer perennial, penstemons have upright, leafy stems carrying spikes of foxglove-like flowers from mid-summer to mid-autumn. Deadhead to keep the flowers coming.

Penstemon Schoenholtzeri - gorgeous perennial for containers
Penstemon Schoenholtzeri

‘Schoenholzeri’ (also called ‘Firebird’ or ‘Ruby’) has crimson flowers, with white-streaked throats. ‘Raven’ (100cm) has rich dark purple, tubular flowers, with white throats streaked purple.

Penstemon White Bedder - pretty container plant from Weatherstaff
Penstemon White Bedder

The white flowers of ‘White Bedder’ (70cm) open from greenish buds and become pink-tinged with age.

6 Thrillers for Fantastic Containers - from Weatherstaffgarden design software

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The Weatherstaff Team