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 8 products.
 

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

Primrose 'Cupid Lemon'

Primula

Loosely double primrose flowers in a zingy citrus shade that will brighten up even the dullest borders. Primrose ‘Cupid Lemon’ is perfect for filling spring containers, beds and borders with colour and rosettes of semi-evergreen foliage. The soft honey fragrance of the flowers only adds to the charm of this cheery Primula. Once established these easy to grow perennials will virtually look after themselves. Height: 15cm (6"). Spread: 20cm (8").

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

More info
    • 36 primrose plug plants

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 72 primrose plug plants

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

Actaea simplex 'Black Negligee' (Atropurpurea Group)

Bugbane, Cimicifuga

Dramatic, finely cut, jet black foliage contrasts beautifully with the architectural plumes of fragrant, creamy white flowers. The bottlebrush blooms of Actaea simplex 'Black Negligee' are gently scented, appearing late in the season from September, just as other plants are fading. Bugbane is a particularly useful hardy perennial, adding stature and impact to damp, shady spots. Perfect for cottage garden borders and woodland planting schemes. Height: 120cm (47"). Width: 60cm (24").
More info
    • 1 x actaea jumbo plug plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 3 x actaea jumbo plug plants

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

Cosmos atrosanguineus 'Spellbound' (Large Plant)

Bidens atrosanguinea, Chocolate Plant

A particularly striking Chocolate Cosmos with rich maroon daisy-like flowers and a seductive chocolate fragrance. Cosmos atrosanguineus 'Spellbound' is a choice half-hardy perennial for a sunny border, and well loved by pollinating insects. Plant it among other perennials to support its stems Ð it associates beautifully with hot fiery colours. Although perennial, the Chocolate plant is often grown as an annual in the UK, but can easily be over-wintered if grown in containers and kept in frost free conditions. Height and Spread: 60cm (24"). More info
    • 1 x 2 litre potted cosmos plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 1 litre potted cosmos plants

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 2 x 2 litre potted cosmos plants

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

Phlox paniculata 'David' (Large Plant)

Perennial Phlox

Phlox paniculata 'David' is a well known variety that deservedly holds an RHS AGM. This handsome perennial Phlox bears large panicles of elegant white blooms with a simply heavenly fragrance. This vigorous variety puts on strong growth that will quickly form a pleasing clump in moist, sunny borders. A cottage garden favourite, it is loved by pollinating insects and makes a useful choice for wildlife gardens. Equally popular with flower arrangers for a lovely addition to summer bouquets. Height: 80cm (32"). Spread: 75cm (30"). More info
    • 1 x 2 litre potted phlox plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 2 litre potted phlox plants

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

Phlox paniculata 'Laura' (Large Plant)

Perennial Phlox

Phlox paniculata 'Laura' is a particularly fine variety with a long flowering period and good resistance to mildew. This magnificent perennial produces panicles of lilac purple flowers with starry white centres all summer long. The tall stems make superb cut flowers that will fragrance bouquets with their rich, heady scent. This clump forming perennial Phlox is perfect for cottage garden borders where its blooms will attract attention from pollinating insects. Height and spread: 90cm (36”). More info
    • 1 x 2 litre potted phlox plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 2 litre potted phlox plants

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

Phlox paniculata 'Peppermint Twist' (Large Plant)

Perennial Phlox

Delightfully dwarf, this perennial Phlox reaches just 45cm (18") tall! Charming pink and white pinwheel blooms will fill the air with the most exquisite fragrance. With its neat, bushy habit, Phlox paniculata 'Peppermint Twist' is perfect for patio containers - plant it next to a doorway where you can really appreciate their fragrance. Highly attractive to pollinating insects, this pretty variety will brighten up the front of borders, and also makes a pleasing cut flower. Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted phlox plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 2 litre potted phlox plants

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

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