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Keeping you updated – Thompson & Morgan is operating as usual, working 24/7 to keep the country gardening. We are working closely with nurseries and growers to ensure that millions of plants are not wasted. Our site features many of these offers and we will add more every day, passing on these amazing deals to our customers.

'Tall Perennials'

121 products, 16 blogs

Everlasting Perennial Collection

54 Reviews

Fill your beds and borders with this bargain perennial collection. Perennial plants will bloom year after year and they can also be cut and brought into the house for beautiful flower arrangements.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

11 Options From£4.99

by the end of january 2021

Nepeta 'Six Hills Giant'

1 Review

The ever popular Nepeta 'Six Hills Giant' is one of the most commonly grown Catmints. The lilac-blue lavender-like flower spikes rise above the silvery-green foliage from early summer onwards, giving a delightful summer display, that is ideal for softening borders and…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

4 Options From£9.99

within 14 working days

Verbena bonariensis

9 Reviews

Tall heads of bright, eye -catching rosy lavender, adding a tranquil tropical feel to borders. Height: 120-150cm (4-5ft)  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Lilac
  • Longevity: Perennial

Just£2.99

within 14 working days

Iris 'Pass the Wine' (Re-Blooming)

3 Reviews

Hardy, drought, disease and insect resistant iris. Spring flowering with a second flush in autumn. This majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Rhizome

Just£8.99

within 14 working days

Eryngium 'Blue Steel'

4 Reviews

Sea Holly is a useful perennial for its ability to cope with hot, dry conditions and coastal locations. Eryngium 'Blue Steel? produces dramatic cones of tiny blue flowers that are surrounded by a spiky, electric-blue collar. The tall flower stems bring…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£8.49

by the end of november 2020

Hollyhock 'Halo Mixed'

3 Reviews

A spectacular mixture of Hollyhocks in the widest range of colours, where each bloom is enhanced by a distinct central halo. Bushy plants of tall sturdy flower spikes, add height and interest to late summer borders  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£0.99

within 14 working days

Penstemon 'Pensham Czar'

3 Reviews

Striking blue-purple, bell-shaped blooms with defined white centres adorn the tall stems of Penstemon 'Pensham Czar' from June right through to October. As with all Pensham Penstemons, this variety was bred to cope with British winters and boasts a strong growing…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mauve
  • Longevity: Perennial

3 Options From£11.99

within 14 working days

Lychnis chalcedonica

0 Reviews
  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Perennial

Just£0.99

within 14 working days

Iris 'Orange Harvest' (Re-Blooming)

4 Reviews

Hardy, drought, disease and insect resistant iris. Spring flowering with a second flush in autumn. This majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Orange
  • Longevity: Rhizome

Just£8.99

within 14 working days

Dahlia coccinea 'Species Mixed'

3 Reviews

A vibrant mixture of delicate single flowers in several colours with many bicolour shades, Tall and free flowering, makes it ideal for adding height to bedding displays or filling gaps in perennial borders. Height 5 feet. Planting distance 27 inches.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Annual

Just£1.79

within 14 working days

Miscanthus 'Purpurascens'

0 Reviews

This low maintenance perennial ornamental grass is perfect for extending the season of interest in your garden right through autumn. Miscanthus ?Purpurascens? grows quickly between spring and summer, forming an attractive clump of mauve-tinged grassy foliage with…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

Just£11.99

within 14 working days

Cirsium 'Pink Blush'

6 Reviews

A must-have perennial for all would-be flower fashionistas! The pretty blooms appear on tall stems above low growing foliage rosettes. A relaxed, airy habit makes Cirsium 'Pink Blush' a perfect option for anyone looking to add a modern twist to classic…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

3 Options From£8.49

within 14 working days

Iris 'Re-Blooming Collection'

117 Reviews

A selection of hardy, drought, disease and insect resistant iris. Spring flowering with a second flush in autumn. These majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Rhizome

7 Options From£8.99

within 14 working days

Blechnum brasiliense 'Volcano'

63 Reviews

Dicksonia tree ferns too large or expensive for your garden? We've found the answer - try the dwarf Brazilian tree fern instead! An exciting new find for the home gardener, only recently introduced to the UK, but surely set to be the next big thing! Compact plants lend…  More Info

  • Sun shade: Dappled shade
  • Grows in: Borders

  • Longevity: Perennial

2 Options From£8.99

within 14 working days

Phlox paniculata 'Fragrant Collection'

21 Reviews

Phlox paniculata 'Fragrant Collection' is a magnificent blend of 4 different colours of this richly fragrant perennial. Throughout summer, large panicles of perfumed flowers rise on upright stems above the bright green foliage.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

5 Options From£6.99

by the end of january 2021

Salvia sclarea var. turkestanica

5 Reviews

Scores of tall stems bearing many pink to white bracts and soft blue and white tiny flowers. Remaining spectacular, even in early autumn. Although biennial, this salvia may be treated as a short lived perennial if flowers are removed in second and…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Biennial

Just£1.00

within 14 working days

Delphinium x cultorum 'Tall Black Knight'

8 Reviews

Tall, robust, candle-like flower spikes packing with attractive, deep blue blooms, each complemented by a striking large black bee in the centre. A stunning addition to any border. Height: 120-150cm (4-5ft)  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£3.59

within 14 working days

Hollyhock 'Chater's Double Icicle'

11 Reviews

A classic cottage hollyhock. Spectacular, large, crystal white, fully double, powder-puff blooms grace tall strong stems from mid summer until autumn. Adds height and a touch of style to the back of perennial or cottage garden borders.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Perennial

Just£1.00

within 14 working days

Lily 'Blue Wonder'

5 Reviews

An incredibly tall lily bearing rich purple blooms with blue tints. The fragrant, trumpet shaped blooms of Lily 'Blue Wonder' make a fantastic patio feature or grow them at the back of a border, where you can cut a few stems for a vase indoors. Over the years…  More Info




2 Options From£11.99

within 14 working days

Wallflower 'Scarlet Bedder'

1 Review

Sweetly fragrant scarlet flowers on dwarf sturdy plants. Just right for containers and beds, where space is limited or to underplant tall bulbs. Flowers spring. Height: 35-45cm (15-18in).  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Perennial

Just£2.39

within 14 working days

Shasta Daisy 'Fair Lady'

5 Reviews

The large, daisy-like flowers of Shasta Daisy 'Fair Lady' are delightfully frilly with a buttery yellow centre surrounded by a close ruff of short white petals and a fringe of longer ones. The flowers grow on tall stems and flower for several months, lasting well…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Perennial

3 Options From£11.99

within 14 working days

Field Scabious

0 Reviews
  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Purple
  • Longevity: Perennial

Just£2.99

within 14 working days

Juniperus scopulorum 'Skyrocket'

9 Reviews

A popular conifer for gardeners who want to create a formal garden. Its thin, tall upright habit, reminds many of Italian classical gardens such as Tivoli. They look wonderful planted symetrically, in wide borders amongst perennials.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders

  • Longevity: Tree

3 Options From£11.99

by the end of july 2020

Crocosmia 'Lucifer'

4 Reviews

The hottest colour of any crocosmia, 'Lucifer' carries incredibly vibrant, roaring red flowers during late summer just as your bedding plants start to fade.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Corm

2 Options From£11.99

by the end of january 2021

Lupin 'Russell Hybrids Mixed'

6 Reviews

These elegant Lupins produce tall spires of tightly packed flowers, that rise above palmate foliage in a magical array of colours. This wonderful mix of the ever popular 'Russell Hybrids' is ideal for adding height and structure to the back of perennial  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£6.99

within 14 working days

Lovage

0 Reviews

Perennial herb lovage has a distinctive flavour that combines the savoury tastes of celery and anise. Use the young leaves in soups, stews and salads or cut the stems for crystallizing. Aromatic lovage seed can also be harvested for adding to savoury baked dishes…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Perennial

Just£2.29

within 14 working days

Delphinium 'Blue Bird' (Pacific Hybrid)

1 Review

A Pacific hybrid delphinium, 'Blue Bird' has tall spires bearing bright blue blooms which have contrasting white centres. It makes its dramatic statement in June and July when it truly steals the show, adding height, stature and colour to the back of sunny…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

3 Options From£11.99

within 14 working days

Miscanthus sinensis 'Zebrinus'

5 Reviews

A popular sight and a striking one too, Zebra Grass produces distinctive green blade like leaves, each randomly striped with horizontal cream bands. Come autumn, tall flower plumes sit high above the foliage which last well into the winter.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Brown
  • Longevity: Perennial

3 Options From£9.99

within 14 working days

Clematis 'New Love'

49 Reviews

This fabulous herbaceous Clematis has a self supporting, bush forming habit that is perfect for bulking up perennial borders with vigorous clumps of dense foliage. The star-shaped, indigo blooms of Clematis 'New Love' have slender, reflexed petals and a lovely…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Walls & Fences
  • Flower Colour: Blue
  • Longevity: Perennial

5 Options From£9.99

within 14 working days

Iris 'Cantina' (Re-Blooming)

1 Review

Hardy, drought, disease and insect resistant iris. Spring flowering with a second flush in autumn. This majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mauve
  • Longevity: Rhizome

Just£8.99

within 14 working days

Miscanthus sinensis 'Kleine Silberspinne'

7 Reviews

For unusual silver hues in beds and borders in late summer, look no further than Miscanthus sinensis 'Silberspinne'. Tall stems, that are ideal for cutting and adding to an indoor floral display, will produce long, feathery panicles of flowers that start off with…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Brown
  • Longevity: Perennial

Just£11.99

within 14 working days

Hollyhock 'Chater's Double Apricot'

11 Reviews

This magnificent strain, with fully double flowers of rich apricot on tall imposing spikes of blooms, gives an air of stately splendour. One of the finest background plants for the border and is equally effective when grown in small groups. Usually flowers in its…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Apricot
  • Longevity: Perennial

Just£1.59

within 14 working days

Hollyhock 'Halo White'

2 Reviews

Large, bright white single flowers with an attractive bright yellow 'haloin the centre of each bloom. Hollyhock Halo White produces tall flower spikes on strong bushy plants with plenty of eye-catching flowers on each spike to add dramatic height to your borders…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Perennial

Just£1.79

within 14 working days

Achillea millefolium 'Cerise Queen'

2 Reviews

Achillea millefolium 'Cerise Queen' has bright cerise pink flowers atop tall stems and aromatic and feathery foliage. A vigorous and low maintenance variety, it will create an explosion of late summer colour at the back of the herbaceous border. Thriving on even…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

3 Options From£11.99

within 14 working days

Agapanthus 'Fireworks'

147 Reviews

For stunning, exotic looking blue and white blooms that burst at the end of tall stems like a fireworks in your flower bed, look no further than this amazing African Lily. An easy to keep variety that will get bigger and produce more flowers each year.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£8.99

within 14 working days

Artichoke 'Imperial Star'

0 Reviews
  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Purple
  • Longevity: Perennial

Just£2.99

within 14 working days

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