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 654 products.
 

Vinca major

Greater Periwinkle

Periwinkle is one of the toughest plants money can buy, producing plants that flower relentlessly throughout the summer. Periwinkle is a vigorous, low growing shrub, which thrives in almost any garden position, from full sun to the darkest, shady corners.

The ground-covering stems of Vinca major provide evergreen, dark green foliage that can help to beat the weeds, with inky blue flowers from April to September! Vinca are perfect for filling those tricky areas of the garden where little else grows. Height: 45cm (18") Spread: 75cm (30").

More info
    • 1 x 9cm potted vinca major plant

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

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

Hosta 'Fragrant Blue' (Large Plant)

Plantain Lily

This is a particularly eye-catching variety with chalky-blue foliage that retains its colour throughout the season. From July to August, the delicately scented, mauve pink flowers offer the perfect complement to the heart shaped foliage. In moist soils, this low growing hardy perennial forms dense ground cover. Hosta 'Fragrant Blue' is perfect for the front of borders, woodland planting schemes, or in the damp soil at the edge of ponds. Height: 50cm (20"). Spread: 100cm (39").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of July 2016
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

    • Despatch: By end of July 2016
    •  
    • £21.99

Eryngium 'Neptune's Gold'

Sea Holly

The plant everyone's talking about! Eryingium 'Neptune's Gold' is the kind of breeding breakthrough that doesn't come along every day; a true colour break - the world's first golden Sea Holly! Selected in Wales from a batch of seedlings, this unique specimen still retains the iconic blue flower tones of Eryngium, but also takes on a stunning golden sheen - just like Neptune's crown! This superb perennial was Voted Best New Product at the recent Grower of the Year awards 2015. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 x 9cm potted eryngium plant

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 2 x 9cm potted eryngium plants

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

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").,

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.

 

Garden ready special offer
More info
    • 30 primrose garden ready plants

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

Viola 'Autumn Jewels Mixed' (Garden Ready)

Viola x wittrockiana, Pansy

  • 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.

If fragrance is your thing then Viola 'Autumn Jewels Mixed' is just for you. Despite their size, these mini pansies pack a real punch both in terms of scent and colour. We've included pretty much every shade in the rainbow into this special mix of top-performing violas to guarantee a glorious autumn show in just weeks after planting. Add our garden ready plants direct to pots, baskets and borders for quick results this autumn. Height: 20cm (8"). Spread: 25cm (10").,

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.

 

Garden ready special offer
More info
    • 30 viola garden ready plants

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

Wallflower 'Sugar Rush' (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").

 

Garden ready special offer
More info
    • 30 wallflower garden ready plants

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

Viola sororia 'Freckles' (Large Plant)

Violet

Quite unlike any other variety, Viola sororia 'Freckles' bears violet-purple, speckled flowers from spring through to summer. The unusual blooms are carried above neat clumps of heart shaped, deep-green foliage. This memorable Violet will self-seed freely, dotting its offspring around the garden to provide welcome surprises the following spring! Perfect for growing in containers, rockeries or planted into crevices between paving. Height: 10cm (4"). Spread: 20cm (8").,

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.

 

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

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 2 x 1 litre potted viola plants

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

Pansy 'Autumn Blaze Mixed' (Garden Ready)

Viola x wittrockiana

  • 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.


We've sourced this quick to flower collection to offer you the longest autumn pansy display we've ever seen! Pansy 'Autumn Blaze Mixed' will flower in as little as 9 weeks after we've sown them for you, bringing you vibrant seasonal colour and soft fragrance soon after planting out. The fiery blend offers a combination of red wing, red blotch and yellow blotch blooms to set your garden ablaze this autumn.

Superior branching and uniform habit across the mix, ensure the very best in garden performance. The large 7cm (3") blooms sit on short, sturdy stems, ensuring they bounce back even after the heaviest of autumn rain showers. This hardy mix will overwinter safely in most gardens to offer a second flush of colour the following spring. Height: 20cm (8"). Spread 25cm (10").

,

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.

 

Garden ready special offer
More info
    • 30 pansy garden ready plants

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

Primrose 'Belarina Doubles Collection'

Primula

Say 'goodbye' to the winter blues with these little beauties! Primrose 'Belarina Doubles Collection' will cheer up your garden from spring through to early summer with their vibrant colour, delicate fragrance and evergreen rosettes of foliage. With exceptional hardiness, down to -25C (13F), these incredible perennials will come back year after year, no matter how cold the winter is! Like miniature roses, these double-flowered primroses look fabulous wherever you plant them, in pots, containers, beds or baskets, in sun or semi shade - and unlike other primroses they won't need dead-heading! In this collection you will receive the following varieties: 'Nectarine', 'Amethyst Ice' and 'Pink Ice' Height: 15cm (6"). 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
    • 3 primrose jumbo plug plants

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 6 primrose jumbo plug plants

    • Despatch: By end of July 2016
    • SAVE *£8.99  
    • £25.98 £16.99
    • 9 primrose jumbo plug plants

    • Despatch: By end of July 2016
    • SAVE *£18.98  
    • £38.97 £19.99

Gaillardia x grandiflora 'Kobold' (Large Plant)

Blanket Flower, Gaillardia aristata 'Goblin'

An exceptionally long flowering hardy perennial, with flowers from June to September. Gaillaria x grandiflora 'Kobold' really stands out in the border too! When at their peak of flowering, these plants will be covered in flowers, so much so that you won't see the foliage! Gaillardia are at their happiest in poor, sandy or stony soils, which is excellent for garden problem areas, and will survive periods of drought. Blanket Flower plants are hardy, and will come back year after year, and are ideal for beginners. Height: 30cm (12"). Spread: 45cm (18").

 

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

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 1 litre potted gaillardia plants

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

Lupin 'The Governor' (Large Plant)

Lupinus

Add a modern twist to your traditional planting schemes with the bicolour purple and white blooms of Lupin 'The Governor'. This tough, robust perennial produces its splendid, tall flower spikes from early summer onwards; each spire packed with pretty pea-like flowers. This cottage garden favourite that is superb for adding architectural stature to borders and woodland planting schemes. Height: 90cm (35"). Spread: 60cm (24").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted lupin plant

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 2 litre potted lupin plants

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

Phlox douglasii 'Red Admiral' (Large Plant)

Moss Phlox

Phlox 'Red Admiral' is perfect for rockeries, the front of border or patio containers, and looks fantastic alongside spring bulbs. Also known as the Moss Phlox, this hardy perennial creates a low cushion of weed-suppressing foliage and, in spring, luminous displays of red flowers. Plants are vigorous, disease resistant, and stay compact, yet full of bloom! Phlox 'Red Admiral' also holds an RHS Award of Garden Merit. Height: 15cm (6"). Spread: 30cm (12").

 

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

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 1 litre potted phlox plants

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