Thompson & Morgan

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Perennial & Biennial Plants


In this range you'll find an impressive selection of perennial plants and biennial plants, which are perfect for beginners and experienced gardeners alike. Also known as herbaceous plants, perennial plants live for 2 or more years and flower every year. Biennial plants live for up to 2 years, flowering profusely in their second year before setting seed and dying. Both are great for beds and spring displays and there are many delightful plants to choose from. Use the selections in the left menu to select the right plants for your garden.


For beautiful summer flowers browse our range of annual plants.



We have found 589 products.
 

Ajuga reptans f. albiflora 'Alba' (Large Plant)

Bugle

This useful hardy perennial forms dense mats of evergreen foliage that makes superb ground cover. From late spring to early summer, Ajuga reptans f. albiflora 'Alba' is decorated with small white flower spikes that will brighten even the darkest corner of your garden. The nectar rich flowers are a magnet for pollinating insects. Commonly known as Bugle, this tough, reliable plant will grow on virtually any soil, and positively thrives in those tricky shaded areas, even where soils are poor. This versatile perennial plant is ideal for creeping through woodland areas, rockeries, or at the front of cottage garden borders. Height: 20cm (8"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted ajuga plant

    • Despatch: By end of August 2015
    •  
    • £7.99
    • 2 x 1 litre potted ajuga plants

    • Despatch: By end of August 2015
    •  
    • £12.99

Euphorbia characias 'Black Pearl' (Large Plant)

Milkweed, Spurge

A unique plant which gives all year round interest! Euphorbia are fully hardy, and will tolerate dry, sunny borders and periods of drought. Plants are evergreen and architectural, and possibly offer the longest flowering period of any garden plant. The unique black and green flowers of Euphorbia characias 'Black Pearl' are full of sweet nectar, and open in spring, and stay in place until the first frosts. Euphorbia will thrive in dry gardens, Mediterranean-style plantings and large patio pots. Height and Spread: 60cm (24"). More info
    • 1 x 1 litre potted euphorbia plant

    • Despatch: By end of August 2015
    •  
    • £7.99
    • 2 x 1 litre potted euphorbia plants

    • Despatch: By end of August 2015
    •  
    • £12.99

Geum 'Fireball' (Large Plant)

Avens

Ruffled, semi double flowers with gently scalloped edges make an eye catching display from May to July. Geum 'Fireball' is longer flowering than older cultivars and equally well loved by pollinating insects. This compact little Avens forms a neat clump of foliage that sits nicely at the front of borders. An easy to grow and undemanding hardy perennial, that also makes a nice cut flower. Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted geum plant

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 2 x 2 litre potted geum plants

    • Despatch: By end of August 2015
    •  
    • £19.99

Fuchsia 'Holly's Beauty' (Large Garden Ready Plant)

Giant, sculptured flowers in a carousel of pastel pink frills. This fantastic, trailing fuchsia features large blooms of up to 6cm (2? ") across that hang from cascading stems. Fuchsia 'Holly's Beauty' creates a spectacular trailing display for baskets, window boxes, Flower Pouches, and containers. Height: 30cm (12"). Spread: 45cm (18"). More info
    • 1 x 3 litre potted fuchsia plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 3 litre potted fuchsia plants

    • Despatch: By end of August 2015
    •  
    • £14.99

Primrose 'Palazzo Pink'

Primula

  • New in 2015
  • The all new pom-pom primrose
Treat yourself to some luxury at every day prices with our latest fancy primrose. We've selected 'Palazzo Pink' F1 for its sumptuous crested blooms and sheer flower power. The pink ruffled blooms are complimented by an elegant silver-laced edging and are produced in profusion, creating what we are calling a one plant posie. These hardy vigorous plants make perfect colourful border fillers, adding real impact to spring displays, but 'Palazzo Pink' really comes into its own in patio containers, where you can really appreciate the opulent blooms From February right through to May. Why not set a single plant in a small pot for occasional use as a table centre piece? Height 20-25cm (8-10in) Spread 20cm (8in).
More info
    • 3 primrose jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £8.99
    • 6 primrose jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £12.99

Tricyrtis 'Mixed'

  • New in 2015
An unsung garden hero in our opinion. Tricyrtis thrives in damp shady corners where many other plants would struggle, rewarding you with laddering stems, bejewelled in speckled blooms in three different colours. Sometimes known as the Jewel Lily, or the less attractive Toad Lily, we're sure you'll fall in love with the beauty of this unusual hardy perennial. Height 75cm (30"). Spread 70cm (28").
More info
    • 3 bare root tricyrtis plants

    • Despatch: By end of November 2015
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    • £9.99
    • 6 bare root tricyrtis plants

    • Despatch: By end of November 2015
    •  
    • £14.99

Gypsophila cerastioides (Large Plant)

Mouse-ear gypsophila

A small type of Gypsophila which is drought tolerant, tough and produces endless supplies of white flowers, which are loved by butterflies.

The Mouse Eared Gypsophila is good for alpine gardens, rockeries, patio containers, troughs or for growing in gaps in walls and paving. The tufted, mounding plants produce flowers from spring to summer. Height: 5cm (2"). Spread: 15cm (6").

More info
    • 1 x 1 litre potted gypsophila plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 1 litre potted gypsophila plants

    • Despatch: By end of August 2015
    •  
    • £16.99

Daylily 'Atlas' (Large Plant)

Hemerocallis

The Daylily is a prized garden specimen; plants are hardy, tough, usually evergreen, and produce luxurious flowers in a rainbow of colours. Daylily 'Atlas' has lemon-yellow flowers, which only last for a day each, but are produced in succession.

Plant Daylilies into cottage garden borders or large patio containers. Hemerocallis are excellent for beginners, small gardens, and will establish and grow quickly. Height: 75cm (30"). Spread: 60cm (24").


Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 x 1 litre potted Daylily plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 1 litre potted Daylily plants

    • Despatch: By end of August 2015
    •  
    • £16.99

Daylily 'Crimson Pirate' (Large Plant)

Hemerocallis

Daylily plants are pretty much bulletproof; plants are hardy, resilient, will grow in most soils, are evergreen, and will produce glorious flowers many colours. Daylily 'Crimson Pirate' has pillar-box red flowers, which last a day each, but are borne on plants all summer long.

Use Hemerocallis plants in cottage garden borders or large patio pots. Daylilies are good for beginners and small gardens, and are simply very easy to grow. Height: 75cm (30"). Spread: 60cm (24").


Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 x 1 litre potted Daylily plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 1 litre potted Daylily plants

    • Despatch: By end of August 2015
    •  
    • £16.99

Hosta fortunei 'Albomarginata' (Large Plant)

Plantain Lily

Hosta are one of the best shade-loving plants, thriving in moist, damp, dark areas, but also coping well with dry shade. The bold, colourful foliage is robust and weatherproof. Plants are quick-growing, clump-forming and are maintenance-free.

Hosta fortunei ‘Albomarginata' has particularly eye-catching leaves, which are ribbed, puckered and in edged in creamy-white. During the height of summer, a surprise display of showy, sometimes fragrant, flowers. Height: 55cm (22"). Spread: 100cm (39").

More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 2 x 2 litre potted hosta plants

    • Despatch: By end of May 2016
    •  
    • £16.99

Perovskia 'Blue Spire' (Large Plant)

Russian Sage

Perovskia ‘Blue Spire' is an easy maintenance plant, which is particularly at home in a bright, sunny border. Plants of Russian Sage are drought resistant, and will establish quickly and easily, and are ideal for beginners and first time gardeners. They can also be grown in coastal areas quite successfully.

The foliage of Perovskia is silvery and aromatic, and plants will look fantastic when planted en masse. The blue flowers combine well, and are useful for colour later in the summer. Plants of Russian Sage are loved by bees and butterflies, and ‘Blue Spire' also holds an RHS Award of Garden Merit. Height: 120cm (48"). Spread: 1m (39").

More info
    • 1 x 3.5 litre potted perovskia plant

    • Despatch: By end of August 2015
    •  
    • £10.99
    • 2 x 3.5 litre potted perovskia plants

    • Despatch: By end of August 2015
    •  
    • £19.99

Aubrieta 'Axcent Deep Purple' (Large Plant)

Aubretia

Aubrieta is an excellent evergreen ground cover plant, which can bridge the brief gap between spring bulbs fading and summer perennials coming into bloom. Plants are tight, mat-forming and will act as a natural weed suppressant in sunny borders, rockeries or on banks and awkward slopes.

The deep purple blooms of Aubrieta 'Axcent Deep Purple' are loved by bees and butterflies, and plants are incredibly versatile, enjoying any well-drained soil in a baking hot, sunny position. Height: 10cm (4").Spread: 60cm (24").

More info
    • 1 x 1 litre potted aubretia plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 1 litre potted aubretia plants

    • Despatch: By end of September 2015
    •  
    • £16.99