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.



We have found 32 products.
 

Dianthus 'Scents of Summer Pink Peony'

Carnation, Pink

  • New in 2015
  • T&M Exclusive
  • We've put the scent back into garden carnations!

Part of the 'Scents of Summer' series, Dianthus 'Pink Peony' is the pick of the bunch. The crested magenta blooms have a deep, rich fragrance, just like the old fashioned varieties, but with modern vigour and strong garden performance which continues throughout the season. Look forward to an abundance of strong stemmed blooms from this hardy garden pink, which make superb cut flowers. Perfect for edging pathways and borders or brightening up patio containers with long lasting colour. Height and spread: 30cm (12").


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

More info
    • 5 dianthus Postiplug plants

    • Despatch: By end of July 2015
    • SAVE £5  
    • £12.99 £7.99
    • 10 dianthus Postiplug plants

    • Despatch: By end of July 2015
    • SAVE £6  
    • £17.99 £11.99

Dianthus 'Scents of Summer Collection'

Carnation, Pink

  • New in 2015
  • T&M Exclusive

Immerse your senses in Dianthus ‘Scents of Summer Mixed'! We've hand selected a range of modern dianthus plants to offer bright colours, strong garden performance and multi-flowering stems, while retaining the vintage spicy fragrance of garden pinks. The extreme flower power of these hardy perennials means you'll enjoy 100s of cut flower blooms through the summer, every year, with plenty left on the plants to keep them looking good in the garden. Height and spread: 30cm (12").


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

More info
    • 5 dianthus Postiplug plants

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 10 dianthus Postiplug plants

    • Despatch: By end of July 2015
    •  
    • £14.99
    • 20 dianthus Postiplug plants

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

Dianthus 'Crimson Rim'

Carnation

  • At last - a new carnation with a traditional fragrance

This stunning hardy Carnation bucks the modern trend for flashy flower colours at the expense of their fragrance. Dianthus 'Crimson Rim' combines elegant pristine white blooms with a stylish raspberry edge and a wonderful rich clove fragrance. This clump forming perennial is undemanding and well behaved making it perfect for the front of borders. And with a such a free flowering habit you'll have plenty of stems to spare for a vase indoors. Height: 40cm (16"). Spread: 30cm (12").


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

 

More info
    • 5 dianthus jumbo plug plants

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 10 dianthus jumbo plug plants

    • Despatch: By end of July 2015
    •  
    • £14.99
    • 20 dianthus jumbo plug plants

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

Buddleja 'Flower Power'

Buddleja x weyeriana 'Bicolor', Buddleia, Butterfly Bush

 Customer Rating
  • Best shrub for summer colour
Magical blooms transform from deepest violet to rich butterscotch yellow for an enchanting kaleidoscope of colour. The fragrant flowers of Buddleja 'Flower Power' are certain to attract butterflies and other beneficial insects to your garden. This colourful, low maintenance butterfly bush has a neat compact habit – just perfect for small gardens.Height and spread: 200cm (79").
More info
    • 1 buddleja jumbo plug plant

    • Despatch: By end of July 2015
    •  
    • £12.99
    • 3 buddleja jumbo plug plants

    • Despatch: By end of July 2015
    • Treble up 1 to 3 plugs for 1p extra  
    • £13.00

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 September 2015
    •  
    • £11.99
    • 72 wallflower plug plants

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

Wallflower 'Dwarf Scented Mixed'

Erysimum, Cheiranthus

Sometimes the old methods are the best, and that's exactly why we've added good, old fashioned bareroot wallflower plants to our range. Wallflower 'Dwarf scented Mixed' can be planted straight out into beds, containers and borders to create a fantastic tapestry of scented colour in the following spring. Tough, compact and reliable - this short lived perennial is tough enough to cope in even the poorest of soils. Height: 40cm (16"). Spread: 30cm (12"). More info
    • 20 bare root wallflower plants

    • Despatch: By end of October 2015
    •  
    • £9.99
    • 40 bare root wallflower plants

    • Despatch: By end of October 2015
    • SAVE £4.99  
    • £19.98 £14.99

Cosmos atrosanguineus 'Chocamocha'

Chocolate Cosmos, Bidens atrosanguineus

A 'must have' plant for gardening chocoholics! You'll be amazed by the luxurious, velvety blooms in rich cocoa shades that even smell of chocolate. Cosmos atrosanguineus 'Chocamocha' is particularly compact and much shorter than other cultivars, so the red-brown stems won't require staking. Chocolate Plants make as fabulous container plant and associate beautifully with fiery shades in hot coloured perennial borders. Although often grown as an annual, this lovely Cosmos can easily be over-wintered as a perennial when grown in containers and kept in frost free conditions. Height and spread: 30cm (12").
More info
    • 3 cosmos jumbo plug plants

    • Despatch: By end of March 2016
    •  
    • £12.99
    • 6 cosmos jumbo plug plants

    • Despatch: By end of March 2016
    • SAVE £7.99  
    • £25.98 £17.99

Wallflower 'Winter Party'

Erysimum, Cheiranthus

The richly fragrant blooms of Wallflower 'Winter Party' create a tapestry of colour in shades of burnt orange and mauve. This evergreen erysimum hybrid has a neat, compact habit making it perfect for beds, borders and containers. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 30cm (12").
More info
    • 6 wallflower jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 12 wallflower jumbo plug plants

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

Wallflower 'Sugar Rush Mixed' (Garden Ready)

Erysimum, Cheiranthus

  • 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.

Winner in the 'Best New Bedding Plant' category at the Grower of the Year Awards 2013, this is one of the most exciting wallflowers to emerge in recent years. Dense, fragrant flower spikes in shades of cream, yellow, red and purple appear not only in the spring, but throughout the autumn too, blooming in just 6 weeks from an August planting! With a delightful sweet fragrance and compact, multi-branching habit, Wallflower 'Sugar Rush' is perfect for beds, borders, containers and window boxes, creating a mass of colour and scent when much of the garden is dormant. Versatile and undemanding, wallflowers are tough enough to cope in even the poorest soils. Height and spread: 30cm (12").

 

More info
    • 30 wallflower garden ready plants

    • Despatch: By end of August 2015
    • Buy 2 packs for just £25  
    • £14.99

Perennial Fragrant Collection

  • New in 2015

A colourful mix of hardy perennials, all chosen for their fragrance and flower power. Drop them into gaps in the border or fill a whole new bed with this autumn planting perennial collection. There's something for every part of the garden in this elegant mix, which has been hand selected to guarantee colour and scent in the garden from June right though to the end of September. These hardy garden plants return each year to give a bigger and better display than the last - the perfect low maintenance option for high-end results.


  • Perennial Fragrant Collection includes:
  • Agastache foeniculum - Silvery-green foliage which is scented unmistakenly of aniseed.
  • Monarda 'Bergamo' - Deliciously aromatic foliage and whorls of spidery pink blooms.
  • Oenothera 'Apricot Delight' - Tightly scrolled buds open in palest lemon, maturing to yellow, apricot and finally salmon-pink.
  • Nepeta 'Hot Pink' - Pink flowered Catmint with pungent, aromatic foliage.
  • Dianthus 'Bananaberry Fizz' - Rich, clove-scented, double blooms in lemaon and magenta.
  • Salvia 'New Dimension Blue' - Intense violet blue flower spikes above aromatic foliage.

Powerliner® plugs are well established, mature plugs which can be potted on or can be planted straight into the border or containers. Each plug module is 6.5cm in diameter.
More info
    • 6 Powerliner plug plants - 1 of each variety

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 12 Powerliner plug plants - 2 of each variety

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

Wallflower 'Perfect Perfume Mixed'

Erysimum, Cheiranthus

Deeply perfumed Erysimum flowers in a vibrant range of colours! With a neat, branching habit, Wallflower 'Perfect Perfume Mixed' are ideal for filling your spring borders and containers. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 30cm (12"). More info
    • 6 wallflower jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 12 wallflower jumbo plug plants

    • Despatch: By end of September 2015
    • SAVE £9.99  
    • £29.98 £19.99

Morning Glory 'Fragrant Sky'

Ipomoea lindheimeri

 Customer Rating
A hardy perennial morning glory with a sweet fragrance too! Scrambling Ipomoea lindheimeri looks just like its annual cousins but you can look forward to it returning year after year. Morning Glory 'Fragrant Sky' produces beautiful lavender blue trumpet blooms against a backdrop of attractive lobed foliage that makes a lovely informal display. Perfect for growing over obelisks, adding height and structure to cottage garden borders. Height: 90cm (35"). Spread: 30cm (12").
More info
    • 1 x 10cm potted morning glory plant

    • Despatch: By end of May 2016
    •  
    • £11.99
    • 2 x 10cm potted morning glory plants

    • Despatch: By end of May 2016
    •  
    • £15.99