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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.

Under £20, Hardy, Lilac, Black

6344 products, 777 articles, 855 blogs

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

Verbena bonariensis 'Royal Dreams'

2 Reviews

From T&M?s own breeding, this dwarf variety has all the character of its larger parents but only reaches half the size! Verbena bonariensis ?Royal Dreams? produces luminescent, mauve-pink blooms in tight, rounded clusters.  More Info

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

4 Options From£6.99

by the end of april 2020

Verbena bonariensis

1 Review

With Verbena bonariensis the main attraction is the display of clustered cushioned heads of glowing lavender coloured flowers which are produced on top of stiff upright branching stems. Between July and October bees and butterflies are attracted to feed on the nectar…  More Info

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

3 Options From£6.99

within 14 working days

Ceanothus 'Skylark'

7 Reviews

From May to June this compact Californian Lilac is covered in dense clusters of deep blue flowers that make an enchanting feature in sunny mixed borders. Ceanothus 'Skylark? is a compact variety, with a spreading habit that lends itself nicely to wall training where…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Lilac
  • Longevity: Shrub

4 Options From£14.99

Hosta 'Wide Brim'

2 Reviews

Hostas are loved for their bold foliage that provide interest in very shaded areas of the garden, where other plants would struggle to grow. Hosta 'Wide Brim' is a striking variety, that has variegated foliage with deep green centres and pale creamy-yellow margins. In…  More Info

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

2 Options From£6.99

within 14 working days

Lavender (French)

1 Review

Flaring petals from compact bracts crown slender stems. Very attractive bushes of aromatic grey/green foliage. Favoured by citizens of the Roman Empire for fragrance. Easy to grow and trouble free.  More Info

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

2 Options From£0.99

Wisteria sinensis 'Prolific'

29 Reviews

Wisteria sinensis 'Prolific' is a special cottage garden climber, filling the air with its sweet perfume. It is well-named, with a free-flowering habit. 'Prolific' produces masses of lilac-blue flowers, much loved by bees. A little less vigorous than other Wisteria…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Walls & Fences
  • Flower Colour: Lilac
  • Longevity: Shrub

5 Options From£14.99

Hosta 'Slug Resistant' Collection

0 Reviews

If you've been thwarted by slugs when growing hostas, you'll want to try this collection! Slugs and snails love hostas, but they're less keen on this selection. Hostas love shady areas - plant them in borders, pots and tubs, and rockeries. Collection includes: 'Halcyon'…  More Info

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

Just£19.99

Wisteria sinensis (Patio Standard)

3 Reviews

* New in 2015Trained as a standard so that it can be enjoyed even in a small garden. This stunning wisteria has a classic beauty and fragrance, with purple blooms which hang gracefully from its twining stems. An attractive focal point in borders or when grown in large…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Lilac
  • Longevity: Shrub

2 Options From£19.99

Lavender 'Papillon'

0 Reviews

With its free-and-easy light purple petals dancing above each flower, French Lavender is a touch more exotic than our much-loved traditional cottage garden varieties. When in bloom, Lavender 'Papillon' has the appearance of a bush smothered in tiny butterflies. It's…  More Info

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

3 Options From£12.99

by the end of july 2020

Verbena bonariensis

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

Just£2.49

Pansy 'Black Moon' F1 Hybrid

3 Reviews

You may have heard this claim before, but this Pansy truly represents one of the most impressive black flowers in cultivation today. Bushy, compact plants bearing medium sized flowers, so black they shine like velvet. Height: 15-20cm (6-8 in).  More Info

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

Just£2.99

Wisteria sinensis

6 Reviews
  • Sun shade: Sun or semi shade
  • Grows in: Walls & Fences
  • Flower Colour: Lilac
  • Longevity: Shrub

2 Options From£9.99

within 14 working days

Verbena bonariensis 'Lollipop'

11 Reviews

You might not expect verbena to be so compact but this variety, Verbena bonariensis 'Lollipop' has the same tight clusters of floating purple flowers but has shorter stems that reach only half the usual height. The perfect size for patio pots and the front of borders.  More Info

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

6 Options From£7.99

within 14 working days

Azalea 'Dwarf Lilac'

1 Review

Azaleas are ideal for adding late spring impact to your gardens. A dwarf, evergreen variety, Azalea ?Dwarf Lilac? is certain to bring a desirable splash of colour at the time when the spring flowering bulbs are fading away.  More Info

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

Just£8.99

within 14 working days

Wisteria floribunda 'Domino'

6 Reviews

This Japanese Wisteria makes a worthy choice for sunny walls and fences. The fragrant lilac-blue, pea-like flowers are borne in short racemes of around 20cm (8) long in May and June.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Walls & Fences
  • Flower Colour: Lilac
  • Longevity: Shrub

4 Options From£19.99

within 14 working days

Eryngium leavenworthii

2 Reviews

An attractive annual originating from the North American prairies. This species has the unusual characteristic unlike other Eryngiums, to flower quickly from seed in the first year. Each plant will produce spectacular spiky glaucus foliage which changes to a rich purple…  More Info

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

Just£2.99

Hollyhock 'Nigra'

6 Reviews

Tall strong stems bearing chocolate maroon flowers, becoming almost 'blacktowards the centre. This is a unique variety creating an impressive impact against most backgrounds. Flowers mid to late summer. Height 5ft.  More Info

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

Just£1.00

Delphinium 'Cameliard' (Pacific Hybrid)

3 Reviews

Delphinium 'Cameliard' is stunning in early summer when it produces tall spires of pale lavender blue flowers. The frilly, semi double flowers are loved by beneficial garden insects, gardeners and flower arrangers alike. This is a Pacific hybrid Delphinium which looks…  More Info

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

2 Options From£7.99

within 14 working days

Poppy 'Candy Floss' (Paeoniiflorum group)

3 Reviews

Huge 7-10cm (3-4in) diameter, fully-double pom-pom flower heads stand tall and proud above glaucous foliage. The stunning flowers are followed by large, attractive seed heads which look wonderful in dried flower arrangements. Sow in large drifts in borders as an easy-to…  More Info

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

Just£1.99

Rhododendron 'Tit-willow' (Azalea Group)

0 Reviews

Lilac-mauve blooms cover the bright green foliage of Rhododendron 'Tit-willow' from early June. This compact variety is later to flower than many varieties, making it useful choice for extending your display into summer if grown alongside other Rhododendrons.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Lilac
  • Longevity: Shrub

4 Options From£14.99

within 21 working days

Green Manure 'Phacelia'

4 Reviews

A valuable, quick growing, hardy annual green manure particularly good in dry soils, but suitable for all soil types. Can be used as a summer/autumn manure, or overwinter from a September sowing for spring digging in. The attractive foliage quickly smothers weeds and…  More Info

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

Just£2.99

Clematis 'Dancing King'

6 Reviews

An exquisite variety that blooms the whole summer long! Early flowers emerge as singles, but by late summer the lilac purple flowers are fully double, with delicately rippling edges to each petal.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Walls & Fences
  • Flower Colour: Lilac
  • Longevity: Shrub

2 Options From£11.99

Verbascum chaixii 'Album'

3 Reviews

A stately perennial for the back of the border with slender spires of white flowers with mauve eye. The leaves covered with white woolly hairs add to the overall charm and make this a fine subject for blending with plants of harsher colours. Useful for flower arranging.…  More Info

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

Just£1.49

Hemerocallis 'Longfield's Black Magic'

15 Reviews

Extraordinary, large, purple-black blooms with delicately crimped edges make this a real show-stopper! The dramatic blooms are produced on upright stems above slender, strap-like foliage. Hemerocallis ?Longfield?s Black Magic? is a reliable, easy to grow perennial with…  More Info

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

2 Options From£6.99

Aquilegia vulgaris var. stellata 'Black Barlow'

2 Reviews

Fully double, jet-black blooms make Aquilegia vulgaris var. stellata 'Black Barlow' particularly alluring. The spurless blooms are held aloft on wiry stems above airy clumps of foliage. Like all columbines, this hardy perennial is easy to grow, seeding freely to form…  More Info

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

2 Options From£5.99

Poppy 'Candyfloss' (Start-A-Garden™ Range)

1 Review

A gorgeous lilac selection, with large, 7-10cm (3-4in), fully double flower heads, standing proudly above glaucous foliage, followed by large, attractive seed heads. Best sown in large drifts, as an easy to grow annual border filler, adding height and interest.  More Info

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

Just£0.99

Ceanothus 'Marie Bleu'

0 Reviews

With its long flowering period and compact habit, Ceanothus 'Marie Bleu' is ideal for rockeries, cottage gardens and wildlife gardens ? where it will attract pollinating insects. This neat, rounded specimen forms a good ground cover or low hedging. Glossy green,…  More Info

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

3 Options From£16.99

by the end of july 2020

Poppy 'Album'

0 Reviews
  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Lilac
  • Longevity: Annual

Just£2.49

Buddleja alternifolia

4 Reviews

Buddleja alternifolia is a vigorous species from China. This deciduous shrub is cloaked in narrow grey-green foliage that contrasts nicely with the pale lilac flowers from July to September.  More Info

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

2 Options From£12.99

by the end of july 2020

Poppy 'Album'

0 Reviews

This beautiful hardy annual bears its open, cup-shaped flowers from June to September above a basal rosette of blue-green foliage. Each delicate bloom is palest pink with contrasting lilac blotches at their centre. As the flowers fade, they are replaced by attractive…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Lilac
  • Longevity: Annual

Just£2.49

Iris ensata Dinner Plate 'Ice Cream'

0 Reviews

The beguiling blooms of Iris ensata Dinner Plate 'Ice Cream' make a spectacular display in early summer. Each elegant flower can reach up to 15cm (6) across, making an unmissable display.  More Info

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

Just£8.99

Deutzia compacta 'Lavender Time'

1 Review

Fading from lilac to a pale pink, the fragrant summer flowers of the Deutzia compacta 'Lavender Time' contrast well with the dark green foliage.  More Info

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

2 Options From£14.99

Summer Savory

0 Reviews
  • Sun shade: full sun
  • Grows in: Beds
  • Flower Colour: Lilac
  • Longevity: Annual

Just£2.49

Verbena bonariensis (Garden Ready)

36 Reviews

Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. The long lasting blooms of Verbena bonariensis attract clouds of bees and butterflies. This perennial verbena has enjoyed a resurgence in popularity in recent…  More Info

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

Just£9.99

by the end of may 2020

Out of Stock

Lavender Duo

495 Reviews

Add fragrance and beauty to your garden with this lavender collection. The fragrant flowers are highly attractive to bees, and excellent for cutting and drying. Lavender makes an excellent low hedge or path edging where the perfume can be appreciated as you brush past…  More Info

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

3 Options From£7.99

by the end of april 2020

Out of Stock
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