Thompson & Morgan

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Perennial & Biennial Seeds


Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!

We have found 8 products.
 
Verbena Bonariensis

Verbena bonariensis

Glandularia, Verbena patagonica
Tall heads of bright, eye-catching rosy lavender, adding a tranquil tropical feel to borders. Height: 120-150cm (4-5ft). More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Achillea Filipendulina Cloth Of Gold

Achillea filipendulina 'Cloth of Gold'

Fern-leaf Yarrow
Achillea ‘Cloth of Gold’ is an indispensible border plant, with flat, plate-like, mustard yellow flower heads carried above finely-cut, ferny foliage. This free flowering perennial is undemanding and easy to grow, making a bright splash of summer colour in borders and meadows. Achillea flowers make a charming cut flower and can be dried for everlasting flowers too. Height: 1.5m (59"). Spread: 45cm (18"). More info
    • 1 packet (500 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Thalictrum Delavayi

Thalictrum delavayi

Chinese Meadow Rue
This choice plant will grace any border with its shimmering sprays of regal mauve with attractive creamy-yellow stamens. Ideal for cutting. Height: 120-150cm (4-5ft). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Geranium Maderense

Geranium maderense

Giant Herb Robert, Madeira Cranesbill
 Customer Rating
Truly amazing! Resembling a small Palm Tree, with a stout trunk and radiating stems of palmate foliage. This species requires some shelter In the garden, or is perfect for a large pot in the conservatory or the greenhouse border. Velvety, magenta pink flowers are produced in panicles aloft the exotic foliage. Height: 90-150cm (3-5ft). More info
    • 1 packet (10 seeds)

    • Despatch:
    •  
    • £1.49
    • Out of stock
Digitalis Purpurea Apricot

Foxglove 'Apricot'

Digitalis purpurea
An outstanding introduction producing large spikes of a lovely shade of Apricot. A most unusual and sought after colour. Excellent for the border in sun or part shade, and very useful as a cut flower. Flowers early summer. Height 1.3-1.5m (4-5ft). More info
    • 1 packet (450 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Papaver Bracteatum

Poppy (Great Scarlet)

Papaver bracteatum, Great Scarlet Poppy, Papaver orientale var. bracteatum
Very imposing, sturdy plants with long, strong stems and large flower buds which break open to reveal huge 20cm (8in) flowers of startling red with black blotches. Plants require no support and ideally should be grown in groups at the back of the border. They look excellent when planted next to Red Hot Poker T&M Hybrids, T&M's Michaelmas Daisy Mixed and Rudbeckias. Flowers early summer. Height 122-152cm (4-5ft). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.29
Verbena Bonariensis

Verbena bonariensis - Part of the Alan Titchmarsh Collection

Glandularia, Verbena patagonica
 
  • Tall and tranquil
  • First year flowering

This increasingly popular first year flowering perennial produces robust plants, with wiry stems topped by floating clouds of eye-catching, rosy lavender blooms. Plant Verbena bonariensis amongst other perennials to add height and an air of tranquillity in your borders. Height: 150cm (59"). Spread: 45cm (18").

 More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Kew : Poppy (Papaver) Bracteatum

Poppy (Great Scarlet) - Kew Collection Seeds

Papaver bracteatum, Great Scarlet Poppy, Papaver orientale var. bracteatum
Very imposing, sturdy plants with long, strong stems and large flower buds which break open to reveal huge 20cm (8in) flowers of startling red with black blotches. Plants require no support and ideally should be grown in groups at the back of the border. They look excellent when planted next to Red Hot Poker T&M Hybrids, T&M's Michaelmas Daisy Mixed and Rudbeckias. Flowers early summer. Height 122-152cm (4-5ft). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.29