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 20 products.
 

Chrysanthemum 'Poppins' - Part of the Alan Titchmarsh Collection

 
  • Mail Order Exclusive
  • 100's of flowers per plant
Small, but bursting with blooms and each colour is ‘programmed’ to flower at the same time, so there’ll be no gaps in your displays. People often miss out on the opportunity for window box colour and ‘Poppins’ is ideal for this purpose. Height: 25cm (10"). Spread: 30cm (12").


Alan Titchmarsh

Alan Titchmarsh says...

"This new entrant into the late season arena may take you by surprise because, chrysanthemums are following in dahlias’ footsteps, back into fashion."

Companion planting: Try growing Chrysanthemums with chives, whose aromatic leaves will deter aphids.


Useful links:

Companion Planting 

 More info
    • 5 jumbo plug plants

    • Despatch: By end of June 2013
    •  
    • £9.99
    • 10 jumbo plug plants

    • Despatch: By end of June 2013
    • SAVE £4.99  
    • £19.98 £14.99
Dianthus 'Rainbow Loveliness Improved Mixed'

Dianthus 'Rainbow Loveliness Improved Mixed'

Pink
  • NEW in 2013
Unusual blooms with deeply cut petals give Dianthus 'Rainbow Loveliness Improved Mixed' a soft, feathery appearance. These pretty, eye-catching pinks have a gentle, sweet fragrance that makes them a delightful cut flower for a vase indoors. These compact hardy perennials will quickly form attractive clumps at the front of borders and rockeries, or try planting them in containers for a low maintenance display on the patio. Height and spread: 30cm (12").

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

 More info
    • 12 plug plants

    • Despatch: By end of August 2013
    •  
    • £8.99
    • 24 plug plants

    • Despatch: By end of August 2013
    • SAVE £4.99  
    • £17.98 £12.99
Helianthemum Collection

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 ‘Fireball’ – Fantastic double scarlet petals.
 More info
    • 5 jumbo plug plants - 1 of each variety

    • Despatch: By end of June 2013
    •  
    • £12.99
    • 10 jumbo plug plants - 2 of each variety

    • Despatch: By end of June 2013
    • SAVE £7.99  
    • £25.98 £17.99
Pinks Frills and Fragrance Mix (Carnation)

Dianthus 'Frills and Fragrance Mix'

Pink
  • Mail order exclusive
  • Customer favourite
A delightful mix of laced, ruffled and double blooms, each exuding its own heady fragrance - some musky, some spicy, some sweet. These hardy perennial garden pinks are cottage garden essentials. The perfumed dianthus flowers are excellent for cutting for a bright display indoors. Perfectly proportioned for the front of sunny borders where their mounds of silvery green foliage remain evergreen throughout the year. This mix includes the RHS AGM varieties Dianthus 'Doris' and Dianthus 'Gran's Favourite'. Height and spread: 30cm (18”).

 

Culinary note: Dianthus flowers are edible.

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

 More info
    • 5 Postiplug plants

    • Despatch: By end of July 2013
    •  
    • £8.99
    • 10 Postiplug plants

    • Despatch: By end of June 2013
    • SAVE £3.99  
    • £17.98 £13.99
    • 20 Postiplug plants

    • Despatch: By end of July 2013
    • SAVE £16.97  
    • £35.96 £18.99
    • 100 Postiplug plants

    • Despatch: By end of July 2013
    • SAVE £119.81  
    • £179.80 £59.99
Wallflower Sugar Rush

Wallflower 'Sugar Rush'

Erysimum, Cheiranthus
  • NEW in 2013
  • 'Best New Bedding Plant' at the Grower of the Year Awards
  • Autumn and spring flowering
  • Super-vigorous
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
    • 36 plug plants

    • Despatch: By end of August 2013
    •  
    • £10.99
    • 72 plug plants

    • Despatch: By end of August 2013
    • SAVE £5.99  
    • £21.98 £15.99
Pansy 'Most Scented Mix'

Pansy 'Most Scented Mix'

Viola x wittrockiana
  • World Exclusive
  • The most scented pansy
Experience the unforgettable fragrance of Pansy ‘Most Scented Mix’. This exclusive mix exudes a spring-like perfume even on the coolest of winter days. With a cheery bright colour mix, these pretty pansies bring a bright splash of colour that will continue well into late spring. Plant them in hanging baskets, window boxes and flower pouches™ and position them by a front door or kitchen window where you can really appreciate them. Height: 23cm (9”). Spread: 30cm (12”).

 

Culinary note: Pansy flowers are edible.

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

 More info
    • 36 plug plants

    • Despatch: By end of August 2013
    •  
    • £9.99
    • 72 plug plants

    • Despatch: By end of September 2013
    • SAVE £4.99  
    • £19.98 £14.99
Pansy 'Most Scented' Bumper Pack

Most Scented Bumper Pack

Treat yourself to this fantastic bumper pack of the most scented bedding and border plants, and save yourself £££s! These great value perennials will fill your garden with fragrance and colour in a fabulous springtime display. You'll receive 12 plug plants of each of the following varieties - that's 72 plug plants in total! Height and spread: Up to 30cm (12").

  • Most Scented Bumper Pack comprises 12 plug plants each of:
  • Primrose 'World's Most Scented Mix' - Let the sweet citrus scent and the fresh colour mix of these reliable perennials transport you into spring.
  • Viola 'Most Scented' Mix - This exclusive blend exudes a spring-like perfume even on the coolest of winter days.
  • Stocks ‘Most Scented’ Mix - Specially selected for their strong and spicy fragrance and fabulous colours!
  • Pansy ‘Most Scented’ Mix - Larger than violas, with a cheery bright colour mix that will continue well into late spring.
  • Polyanthus ‘Most Scented’ Mix - Plenty of scented flowers on short, stocky stems, above neat rosettes of lush foliage.
  • Wallflower ‘Most Scented’ Mix - Versatile and undemanding, this tough perennial can cope in even the poorest of soils.
 More info
    • 72 plug plants - 12 of each variety

    • Despatch: By end of August 2013
    •  
    • £15.99
Wallflower 'Most Scented' Mix

Wallflower 'Most Scented' Mix

Erysimum, Cheiranthus

  Customer Rating
  • The most scented wallflower
Don't overlook wallflowers! This popular cottage garden favourite is currently enjoying a revival. Wallflower ‘Most Scented Mix’ is a wonderful blend of specially selected Erysimum, chosen for their fabulous fragrance. 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
    • 36 plug plants

    • Despatch: By end of August 2013
    •  
    • £9.99
    • 72 plug plants

    • Despatch: By end of August 2013
    • SAVE £4.99  
    • £19.98 £14.99
Poppy 'Pizzicato'

Poppy 'Pizzicato'

Papaver orientale, Oriental Poppy
 Customer Rating
This stunning Oriental Poppy fills the gap between the end of your spring bulbs and the start of your summer flowers. A neat semi dwarfing variety, Poppy ‘Pizzicato’ produces up to 20 large flowers per plant, carried on stiff, sturdy stems that are surprisingly tolerant of windy weather. The faded flowers are followed by attractive seed heads that add interest to late summer borders. Perfect for containers, cottage garden borders and wildlife gardens. Height: 50cm (19”). Spread: 30cm (12”). More info
    • 6 plug plants

    • Despatch: By end of August 2013
    •  
    • £5.99
    • 12 plug plants

    • Despatch:
    •  
    • £8.99
    • Out of stock
Geranium Black Velvet Mix

Geranium 'Black Velvet Mix' F1

Pelargonium, Zonal Geranium, Zonal Pelargonium
 Customer Rating
  • Rarely available

Dark, enigmatic foliage makes a startling foil for the beguiling bright blooms of Geranium ‘Black Velvet Mix’ in four striking colours. The unique black leaves, produced on upright bushy plants, are edged with just a hint of green. This boldly coloured zonal geranium makes a striking addition to pots, beds and borders for long lasting summer colour. Height: 40cm (14”). Spread: 30cm (12”).

 More info
    • 24 plug plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 48 plug plants

    • Despatch:
    •  
    • £19.98 £14.99
    • Out of stock
Pansy Frizzle Sizzle

Pansy 'Frizzle Sizzle' Mixed

Viola x wittrockiana

  Customer Rating
Plant a rainbow of colours and frills that bring your garden to life during late winter and spring. Cheery blooms on compact plants with a hint of pansy scent and incredible flowering performance. Pansy ‘Frizzle Sizzle’ is ideal for brightening up your beds, containers, Flower Pouches® and window boxes. Height and spread: 23cm (9”).

 

Culinary note: Pansy flowers are edible.

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

 More info
    • 36 plug plants

    • Despatch:
    •  
    • £13.99
    • Out of stock
    • 72 plug plants

    • Despatch:
    •  
    • £17.99
    • Out of stock