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 17 products.
 

Hollyhock 'Fiesta Time'

Alcea rosea, Althaea rosea

A beautiful, cottage garden favourite which will flower quickly from seed in its first year. Robust, dwarf plants produce stout stems which carry wonderful, double, cerise-pink, fringed blooms from mid to late summer. Very impressive when planted together in small groups in borders or try planting in large containers for a gorgeous patio display of hollyhocks!

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

More info
    • 1 packet (35 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Rudbeckia 'All Sorts Mixed'

Coneflower, Black-eyed Susan

Made up from the full range of varieties we offer. Excellent for cutting and border. Most in fact are hardy perennials in temperate climates in all but the severest winter.
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    • 1 packet (170 seeds)

    • Despatch: Within 3 days
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    • £2.99

Nepeta nervosa 'Blue Moon'

Catmint

A neat, dwarf, bushy, habit, with large dense blue flower spikes, over a very long period. Quick to flower in 12-16 weeks from an April sowing. Ideal for borders and containers. Height: 30-40cm (12-16in).
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    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Dianthus caryophyllus 'Trailing Carnations Mixed'

Wild Carnation

Travelling in the Alpine regions of Europe one is struck by the magnificent and visual impact of their window boxes, hanging baskets, pots, tubs etc. And then we realised that they make liberal use of pendulous carnations adding an extra slant in perspective and design. The colour range is mainly pink and red shades.

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

More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Dianthus caryophyllus 'Giant Chabaud Mixed'

Wild Carnation

The fragrance and the range of colour is very good. Double beautifully scented, fringed flowers.

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

More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £2.29

Aubrieta 'Purple Cascade' F1 Hybrid

Aubretia

An excellent strain almost smothered in flowers in rich purple shades. Excellent for a bold spring display. Suitable for rockeries, walls, borders, edging paths, planters, window boxes etc. Flowers early spring. Spread 30-38cm (12-15in). More info
    • 1 packet (150 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Penstemon 'Miniature Bells Mixed'

Beard Tongue

Stunning, miniature bells in pink, purple and rose shades, complemented by dwarf attractive blue- green foliage. Flowering over a long period in borders or containers.
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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £0.69

Penstemon barbatus 'Iron Maiden'

Beardlip Penstemon, Chelone barbata

 Customer Rating
A glorious and choice border plant which will grace the garden with its bright scarlet, tubular-like flowers. Pendulous, rich blooms borne on tall, slender spikes of green and red, with sword shaped blue-green leaves. Particularly valuable as it starts flowering in August and looks wonderfully fresh and bright when all around is starting to fade. Makes a stunning cut flower. Flowers late summer. Height 90-120 cm (3-4ft.).
More info
    • 1 packet (35 seeds)

    • Despatch: Within 3 days
    •  
    • £1.49

Dianthus caryophyllus 'Stripes & Picotees'

Wild Carnation

A bright mixture primarily pink and cream based but also with 25% yellow or orange ground colour specifically added. All delightfully striped and picoteed.

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

More info
    • 1 packet (80 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Oenothera odorata 'Apricot Delight'

Evening Primrose, Sundrops

A delectable back of border plant, at whatever stage the flower is at! Tightly scrolled buds open to 7cm (3in) in palest lemon, maturing to yellow, apricot and finally salmon-pink. The delicately scented blooms are at their best in the evening. Height: 60-100cm (24-40in)

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

More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Foxglove 'Dalmatian Peach' F1 Hybrid

Digitalis purpurea

Soft apricot coloured blooms delicately spotted with yellow cream markings make this beautiful digitalis particularly beguiling. Foxglove 'Dalmation Peach' produces well branched, compact, dwarf plants that flower surprisingly quickly in their first year from sowing. The upright flower spikes of this superb cottage garden perennial are ideal for adding height to the back of borders or planting en masses for an enchanting, informal bedding scheme. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 packet (12 seeds)

    • Despatch: Within 3 days
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    • £3.09

Penstemon digitalis 'Husker Red'

Beard Tongue

A plant collector's item for decades. Husker Red is an unusual Penstemon offering maroon-red , occasionally bronze-green foliage when grown from seed. This is coupled with contrasting spikes of blushed pink flowers making useful late summer colour for borders. Height: 50-75cm (20-30in).
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £3.19