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.


For beautiful summer flowers browse our range of annual plants.



We have found 39 products.
 

Viola 'Sorbet XP T&M' (Garden Ready)

  • 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.

Create a kaleidoscope of springtime colour with Viola 'Sorbet XP T&M'. This uniform mix is prolific and free flowering with a neat, uniform habit that is perfectly suited to hanging baskets, window boxes and containers. Height: 20cm (8"). Spread: 23cm (9").

Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

 

More info
    • 30 viola garden ready plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Pansy 'Matrix™ Mixed' (Garden Ready)

Viola x wittrockiana

We've taken the hard work out of creating wonderfully colourful displays - just order our pre-planted baskets of your favourite varieties and position them where you'll most enjoy their colour. Then all you need to do is water them and wait!

This vibrant blend has been specially bred for their excellent branching habit and super size flowers; and the results speak for themselves! The compact sturdy stems hold their vibrant flower heads high, whatever the weather brings to ensure your garden is filled with colour. Easy to grow, Pansy 'Matrix Mixed' is the perfect plant for all your containers and bedding displays. Height and spread: 23cm (9"). Hanging Basket: 27cm diameter.

Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

 

More info
    • 1 x pansy garden ready basket

    • Despatch: By end of September 2016
    •  
    • £14.99

Vinca minor 'Atropurpurea'

Lesser Periwinkle

Deep plum-purple flowers appear in spring above the evergreen foliage of Vinca minor 'Atropurpurea'. This attractive Lesser Periwinkle is less vigorous than its larger cousin Vinca major, making it easier to confine to its allotted space. Vinca are perfect for filling tricky spots where little else grows. Ideal for creating weed suppressing ground cover in almost any position, from sunny banks to dark, shady corners. Height: 20cm (8") Spread: 50cm (19"). More info
    • 1 x 8cm potted vinca minor plant

    • Despatch: By end of June 2016
    •  
    • £9.99
    • 2 x 8cm potted vinca minor plants

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

Primrose 'Elizabeth'

Primula

  • A different display every day!
  • Colour-Changing blooms
  • Watch the frills unfurl

A primrose with a difference. You’ll be amazed at the colour changing blooms of spring-flowering Primrose ‘Elizabeth’, each bloom looks different day by day as they work through a myriad of yellow and pink shades. It’s a shape changer too! Young blooms start our frilly, with petals straightening out as they mature. Looks lovely in spring table top planters and adds a touch of elegance to spring bedding displays in the border. Height: 20cm (8"). Spread: 15cm (6").
More info
    • 24 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 48 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Viola 'Bunny Ears'

Viola x wittrockiana

  • Add bounce to your baskets!
  • The Viola everyone wants to grow!
  • Unusual flowers add real character

Cheeky little Violas that retain that classic pansy face beneath unusually long ‘rabbit ear’ top petals. The compact plants are perfect for smaller containers or planting pockets in rockeries and borders - you can even set them in cracks in walls and paving. Despite their size these tidy viola plants pack a real floral punch, creating cushions of mounded colour. Height and spread: 20cm (8").
More info
    • 36 viola plug plants

    • Despatch: By end of September 2016
    •  
    • £13.99
    • 72 viola plug plants

    • Despatch: By end of September 2016
    •  
    • £18.99

Viola 'Plums and Peaches'

Viola x wittrockiana

  • Summer flowering viola
  • Ideal for shady corners
  • Small in size, big on impact

Pretty mini-pansies for the summer garden. These cheery faced violas will thrive through the spring months and just keep going if given some shade for summer. Try this seductive colour blend of happy-faced Violas in your cool, shady corners where other summer bedding fails to thrive. A great solution for summer hanging baskets on shaded north-facing walls or fencing. Height and spread: 20cm (8").
More info
    • 36 viola plug plants

    • Despatch: By end of September 2016
    •  
    • £12.99
    • 72 viola plug plants

    • Despatch: By end of September 2016
    •  
    • £17.99

Vinca minor 'Gertrude Jekyll'

Lesser Periwinkle

The spreading stems of Vinca minor 'Gertrude Jekyll' provide glossy, evergreen foliage that makes useful, weed-beating ground cover. This lovely Lesser Periwinkle flowers relentlessly from spring to autumn. The pure white blooms will brighten even the shadiest position in the garden. Vinca is ideal for tricky areas where nothing else will grow. This low growing, creeping plant will thrive in the most inhospitable of places and requires little attention or maintenance. Height: 20cm (8") Spread: 50cm (19"). More info
    • 1 x 9cm potted vinca minor plant

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 2 x 9cm potted vinca minor plants

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

Campanula carpatica 'Blaue Clips' (Large Plant)

Bellflower

Easy to grow hardy perennial for cottage garden borders or patio pot displays. Campanula carpatica 'Blaue Clips' will quickly form cushion-like plants, which are smothered in violet-blue flowers through the summer months.

Harebell plants are good for ground cover, edging, courtyard gardens or for planting between cracks in paving. They will thrive in a sunny border. Height: 20cm (8"). Spread: 60cm (24").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted campanula plant

    • Despatch: By end of June 2016
    •  
    • £9.99
    • 2 x 1 litre potted campanula plants

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

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").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted ajuga plant

    • Despatch: By end of July 2016
    •  
    • £7.99
    • 2 x 1 litre potted ajuga plants

    • Despatch: By end of July 2016
    •  
    • £12.99

Vinca minor 'Illumination' (Large Plant)

Lesser Periwinkle

Vinca minor 'Illumination' is particularly striking, with gold-splashed foliage, paired with cobalt-blue flowers. This vigorous, carpeting shrub will thrive in virtually any garden position, from sun to deep shade. Its colourful foliage makes it especially useful for brightening dark corners.

Vinca minor is less vigorous than its larger cousin Vinca major, making it easier to confine to its allotted space. Periwinkle plants are easy to grow, flowering relentlessly from spring to autumn. A popular choice for landscaping and low-maintenance gardens. Height: 20cm (8") Spread: 50cm (19").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 10.5cm potted vinca minor plant

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 1 x 3.5 litre potted vinca minor plant

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 2 x 10.5cm potted vinca minor plants

    • Despatch: By end of July 2016
    •  
    • £16.99
    • 2 x 3.5 litre potted vinca minor plants

    • Despatch: By end of June 2016
    •  
    • £24.99

Primrose 'Planets Mixed'

Primula

  • Distinctive new colours
Freshen up tired spring borders with these exciting new Primulas! Each shapely flower of Primrose 'Planets Mixed' has a contrasting inner ring of colour that makes them really stand out from crowd. This unique feature has never been seen before in Primroses - so it's sure to attract attention. Grow them along path edges or in prominent patio containers where they can really be appreciated. Height and spread: 20cm (8").

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 12 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £8.99
    • 24 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £12.99
    • 48 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £18.99

Pansy 'Matrix™ Mixed'

Viola x wittrockiana

 Customer Rating
  • Colour throughout winter and spring
  • 100% bigger, better and stronger than Pansy 'Universal'

This vibrant blend has been specially bred for their excellent branching habit and super size flowers; and the results speak for themselves! The compact sturdy stems hold their vibrant flower heads high, whatever the weather brings to ensure your garden is filled with colour. Easy to grow, Pansy 'Matrix Mixed' is the perfect plant for all your containers and bedding displays. Height and spread: 23cm (9").


Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

More info
    • 36 pansy plug plants

    • Despatch: By end of August 2016
    •  
    • £6.99
    • 72 pansy plug plants

    • Despatch: By end of August 2016
    •  
    • £9.99