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.
 

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 8 days
    •  
    • £3.69

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.

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    • 1 packet (30 seeds)

    • Despatch: Within 8 days
    •  
    • £1.49

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 8 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.
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    • 1 packet (100 seeds)

    • Despatch: Within 8 days
    •  
    • £1.99

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

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    • 1 packet (20 seeds)

    • Despatch: Within 8 days
    •  
    • £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).

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    • 1 packet (8 seeds)

    • Despatch: Within 8 days
    •  
    • £3.49

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.
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    • 1 packet (250 seeds)

    • Despatch: Within 8 days
    •  
    • £2.19

Lavender 'Mini Blue'

Lavandula angustifolia, English Lavender

  • New in 2014

A delightful dwarf lavender flowering in its first year from an early sowing! Compact, rounded plants quickly become smothered with masses of highly fragrant, deep purple lavender flowers from mid-summer onwards, which are highly attractive to bees. With impressive garden performance, Lavender 'Mini Blue' is ideal for growing in containers or used as a neat evergreen edging to beds and borders. Height: 30cm (12"). Spread: 35cm (14").


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


Useful links:

Gardening news: Top 10 evergreen shrubs

More info
    • 1 packet (20 seeds)

    • Despatch: Within 8 days
    •  
    • £2.99