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.
 

Wallflower 'Sunset Orange'

Erysimum, Cheiranthus

  • New in 2015
We've hand-picked this special orange wallflower for its quick flowering to offer you fragrance and colour in autumn as well as spring. This tough performer establishes quickly after planting in autumn to offer a strong flush of fragrant flowers before winter. Wallflower 'Sunset Orange' loves the cooler weather, and is the perfect winter border filler As spring warms up the plants burst back into colour for a second show. Leave in place for a third hit of autumn flowers. Height and spread: 30cm (12").
More info
    • 36 wallflower plug plants

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 72 wallflower plug plants

    • Despatch: By end of August 2015
    •  
    • £17.99

Primrose 'Autumn Colours Mixed' (Garden Ready)

Primula

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

Winter primroses so quick to flower, you'll get a show this autumn! This quick flowering colour collection offers the longest flowering window we've ever seen among primroses. Confuse the seasons in your garden with vibrant colour from as early as September, right through to spring. Primrose 'Autumn Colours Mixed' are perfect for long lasting patio containers, hanging baskets and border edging. Height: 25cm (10"). Spread: 20cm (8").

 

More info
    • 30 primrose garden ready plants

    • Despatch: By end of September 2015
    • Buy 2 packs for just £25  
    • £17.99

Delphinium 'Pacific Giants'

 Customer Rating
A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").
More info
    • 6 delphinium plug plants

    • Despatch: By end of August 2015
    •  
    • £5.99

Dianthus Lucky Dip

Carnation, Pink

Buy our great value 'surprise' packs of 'pinks'. For just £4.99 you can receive a pack of pinks worth £9.99. To allow us to offer you such a good price, we can't take orders for specific varieties, but whatever we decide to send, you won't be disappointed!


Each customer can order up to 5 'Lucky Dip' packs. If you order more than 1 pack, we'll do our best to send a different variety for each pack ordered, subject to availability. A pack represents a single variety and not a mixture of several varieties.

 

Culinary note: Dianthus flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click hereOther Lucky Dip Products

More info
    • 1 dianthus lucky dip

    • Despatch: By end of August 2015
    •  
    • £9.99 £4.99

Osteospermum Collection (Hardy)

African Daisy, Cape Daisy

 Customer Rating

Versatile and resilient, hardy Osteospermums will thrive in hot, dry, neglected conditions, yet remain some of longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from these easy to grow, sun loving Cape Daisies. Height: 15cm (6"). Spread: 90cm (36").

  • Collection comprises:
  • Osteospermum 'Snow Pixie' - A perfect contrast to its purple-pink coloured cousins, sporting clean, white petals with a golden yellow eye.
  • Osteospermum 'Tresco Purple' - Bold pink daisy flowers open every morning to greet the sun.
  • Osteospermum jucundum var. compactum - Irrepressibly cheerful, bright pink daisy flowers smother carpets of low growing foliage.
More info
    • 9 osteospermum jumbo plug plants - 3 of each variety

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

Lewisia 'Safira Collection'

  • New in 2015
This collection of hardy lewisia plants offers a unique colour mix and the longest flowering season we've seen - continuous colour from March to November! We've saved the stripes and picotees for other mixes in our range, to bring you a classy colour collection for use in sunny borders, rock gardens and patio containers. This low growing hardy perennial is covered in masses of starry blooms as soon as spring gets going, and continues to perform right through to late autumn. This sun-loving perennial copes well with our cooler temperatures, but benefits being sheltered from winter rains. Lewisia Safira Collection offer superb performance for very little effort! Height and spread 30cm (12").
More info
    • 3 jumbo plug plants

    • Despatch: By end of October 2015
    •  
    • £14.99
    • 6 jumbo plug plants

    • Despatch: By end of October 2015
    •  
    • £24.99

Helianthemum Collection

Rock Rose, Sun Rose

These tough little rock roses are hardy, drought tolerant and trouble-free, producing glorious colour from late spring to midsummer. If pruned after flowering, they'll even reward you with a second flush of blooms in late summer! The nectar-rich flowers, set against a backdrop of silvery, semi-evergreen foliage, are loved by bees and other insects. This helianthemum collection makes excellent groundcover or a versatile addition to rockeries or hot, dry borders. Height: 20cm (8"). Spread: 30cm (12").
  • Collection comprises the following varieties:
  • Helianthemum 'Ben Mohr' - Orange, saucer shaped flowers.
  • Helianthemum 'Pink Angel' - An abundance of delicate double, pink flowers.
  • Helianthemum 'The Bride' - A pretty, white rock rose with an RHS Award of Garden Merit.
  • Helianthemum 'Ben Fhada' - Bright, primrose yellow blooms with golden egg-yolk centres.
  • Helianthemum 'Peachy Keen' - New peach bloomed variety 'Peachy Keen' has an overwhelming amount of petals, further boosting the effect in your garden!
More info
    • 5 helianthemum jumbo plug plants - 1 of each variety

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 10 helianthemum jumbo plug plants - 2 of each variety

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

Pansy 'Waterfall Mix'

Viola x wittrockiana

  • New in 2015
Large, scented flowers on compact, trailing plants. This is our best hanging basket pansy yet! We challenged our breeding team to develop a pansy colour collection with a vigorous, cascading habit, offering large and showy, long-lasting flowers. Not only have they hit the spot with Pansy 'Waterfall Mixed', they have also packed an amazing soft sugary scent into this top-performing variety. This tough garden performer stands up to winter rain and bad weather, bursting into colour in February for over 3 months of colour and scent, just when we need it most! Height and spread: 30cm (12").
More info
    • 36 pansy plug plants

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 72 pansy plug plants

    • Despatch: By end of August 2015
    •  
    • £17.99

Lucky Dip Winter Bedding Mix

  • New in 2015
If our selection of winter bedding planting options leaves you spoilt for choice, let us do the design work for you! Quickly pick our Lucky Dip Mix instead of agonising over all the individual options and we guarantee to send you a winning selection of winter performers for a wide range of uses. Set the mix in containers and baskets or beds and borders and you can be sure of a bright and cheery display to warm up the garden this winter and spring. Height and spread varies.
More info
    • 24 lucky dip plug plants

    • Despatch: By end of September 2015
    •  
    • £5.99
    • 30 lucky dip garden ready plants

    • Despatch: By end of September 2015
    •  
    • £11.99
    • 48 lucky dip plug plants

    • Despatch: By end of September 2015
    •  
    • £7.99
    • 60 lucky dip garden ready plants

    • Despatch: By end of September 2015
    •  
    • £17.99
    • 72 lucky dip plug plants

    • Despatch:
    •  
    • £9.99
    • Out of stock

Shasta Daisy 'White Knight'

Leucanthemum x superbum, Chrysanthemum maximum 'White Knight'

Perfect in their simplicity, the pure white single flowers of this compact Shasta daisy are produced in constant supply throughout summer. Closely related to the chrysanthemum, Leucanthemum x superbum 'White Knight' is at its best when planted in drifts for a big impact. This beautiful perennial blends effortlessly with almost any planting scheme, and its brilliant white daisies are excellent for cutting for an elegant display indoors. Height: 55cm (22") Spread: 45cm (18").
More info
    • 6 Shasta Daisy plug plants

    • Despatch: By end of August 2015
    •  
    • £5.99

Phlox Collection (Creeping)

Phlox subulata, Phlox douglasii, Moss Phlox

 Customer Rating
  • Fragrant ground cover
Delicate in appearance but tough in character, these spreading evergreen perennials soften the edges of paths and grow in dry rockeries or on sunny banks and slopes. Perfect for creating colourful, weed smothering, ground cover. Height: 15cm (6"). Spread: 50cm (20").
  • Collection comprises:
  • Phlox subulata 'Candy Stripes'
  • Phlox douglassi 'Red Admiral'
  • Phlox subulata 'Fort Hill'
  • Phlox subulata 'Scarlet Flame'
  • Phlox subulata 'Emerald Cushion Blue'
More info
    • 5 phlox Postiplug plants

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 10 phlox Postiplug plants

    • Despatch: By end of August 2015
    • SAVE £5.99  
    • £23.98 £17.99

Alstroemeria 'Inca Smile'

Peruvian Lily, Alstroemeria 'Koncasmile'

The exotic, orchid-like blooms of Alstroemeria 'Inca Smile' have a resilience and longevity that belies their delicate appearance. This stunning Peruvian Lily blooms for up to 5 months with the largest Alstroemeria flowers that we have ever seen - almost twice the size of other varieties. With a neat semi dwarf habit, ‘Inca Smile' is perfectly proportioned for containers or borders, and makes a superb cut flower too. Height: 35cm (14"). Spread: 25cm (10").
More info
    • 1 x 7cm alstroemeria potted plant

    • Despatch: By end of April 2016
    •  
    • £9.99
    • 3 x 7cm alstroemeria potted plant

    • Despatch: By end of April 2016
    •  
    • £19.99