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 13 products.
 

Meconopsis grandis

Himalayan Blue Poppy

 Customer Rating

Sturdy and long-lived with huge flowers 10-12cm (4-5in) across in a wonderful blue, shot with violet on erect stems.

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Lysimachia atropurpurea

Loosestrife

A superb border plant with silver- green lanceolate foliage and many spikes of claret-red, almost black florets - a highly unusual colour in perennials. May also be used in containers or as a cut flower.
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £3.49

Dianthus plumarius 'Sonata'

Pink

Flowering all summer with very double, fragrant classic cottage garden pinks. Flowers 16-18 weeks from sowing.

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

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £1.29

Nepeta transcaucasica 'Blue Infinity'

Catmint

Tall wands of violet-blue flowers in seemingly infinate quantity over a long period. With its characteristic aromatic fragrance it is extremely effective in the border, long-lived, easily grown and very reliable.

* Seed came to T&M under this name which is yet to be verified.

More info
    • 1 packet (45 seeds)

    • Despatch: Within 3 days
    •  
    • £0.69

Stock 'Dwarf Mixed' (Brompton Stocks)

Matthiola incana, Gillyflower

 Customer Rating
Upright bushy, early flowering biennials producing gloriously scented flowers in a good colour range which are splendid for cutting. Flowers early summer. Height 18in.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Geranium 'Moulin Rouge' F1 Hybrid

Pelargonium, Zonal Geranium, Zonal Pelargonium

Found to be the most outstanding bedding Geranium in T&M's trials. So vigorous, the plants are smothered in large scarlet blooms throughout the season. Sure to give a glorious display. Ideal for bedding or containers. More info
    • 1 packet (6 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Rose multiflora nana perpetua 'Garden Party'

Rosa

 Customer Rating
This lovely miniature rose is bred for improved germination making it easy to grow from seed. Flowering in its first year from an early sowing, Rose multiflora nana perpetua 'Garden Party' produces wide, open blooms in delicate shades of rose and pale pink. Perfect for edging beds and borders or growing in containers as an attractive centre piece for the patio table. Height: 25cm (10"). Spread: 35cm (14").

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


Companion planting: Try growing roses with garlic, chives, thyme or mint to help deter aphids and blackfly.


Useful links:

Companion Planting

 

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

Stock 'Sweetly Scented Mixed' - Part of the Alan Titchmarsh Collection

Matthiola incana, Gillyflower

    I find the fragrance of stocks a bit addictive, I must admit! Sow Stock 'Sweetly Scented Mixed' this year for blooms next spring with daffodils and tulips; create a cocktail of fragrance and colour. Height: 45cm (18"). Spread: 35cm (14").
    More info
      • 1 packet (200 seeds)

      • Despatch: Within 3 days
      •  
      • £1.69

    Geranium 'Horizon Coral Spice' F1 Hybrid

    Pelargonium x hortorum, Zonal Geranium, Zonal Pelargonium

    A gorgeous new warm colour in geraniums. Large, well rounded, bright coral flower heads above lightly zoned foliage. With vigorous performance, it will flower nonstop until first frosts. More info
      • 1 packet (6 seeds)

      • Despatch: By end of July 2014
      •  
      • £1.49

    Meconopsis grandis - Kew Collection Seeds

    Himalayan Blue Poppy

    Sturdy and long lived, with huge flowers 4-5in across of a wonderful blue, shot with violet, on erect stems.
    More info
      • 1 packet (20 seeds)

      • Despatch: By end of July 2014
      •  
      • £2.99

    Geranium bohemicum 'Orchid Blue'

    Hardy Geranium, Cranesbill

    Geranium 'Orchid Blue' is a selection by Thompson & Morgan from the species Geranium bohemicum. A short-lived border and ground cover plant which self-seeds to keep continuity. Masses of 2cm (¾in.) flowers of orchid-blue, veined in purple-violet, borne on bushy plants. Makes a delightful show, particularly when situated in a sunny position in the border. Flowers summer. Height 30-45cm (12-18in).

    More info
      • 1 packet (8 seeds)

      • Despatch:
      •  
      • £3.49
      • Out of stock

    Helianthemum Collection

    Rock Rose, Sun Rose

    Showy dwarf evergreen shrubs which spread quickly over rocks and slopes and make ideal ground cover. The attractive foliage is smothered from late spring with masses of 2.5cm (1 inch) flowers resembling wild roses in pink, lemon, copper, red, purple and white. They love the sun and stand hot, dry conditions very well. Height: 9-12 inches.
    More info
      • 1 packet (250 seeds)

      • Despatch: Within 3 days
      •  
      • £2.19