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 21 products.
 

Datura metel 'Double Blackcurrant Swirl'

Brugmansia, Angels' Trumpet, Downy Thorn Apple

 Customer Rating
A dynamic border, container or conservatory plant with large, beautifully double frilled flowers of blackcurrant and lilac-mauve. The many flowers are earlier than most and continue through to frosts outdoors. Flowers mid summer-autumn. Height 1.4m. (5ft)
More info
    • 1 packet (15 datura seeds)

    • Despatch: by Monday
    •  
    • £3.99 £0.99

Primula obconica 'Twilly Touch Me' F1 Hybrid

German Primrose

Bushy, free flowering plants in a stunning mixture of 12 strong colours, including many bicolours. Unlike other Primula obconica varieties, Twilly Touch Me is primine free, so causes no skin irritation. This makes it ideal for growing as an attractive glasshouse or indoor pot plant. Height: 25-30cm (10-12 inches). More info
    • 1 packet (25 primula seeds)

    • Despatch: by Monday
    •  
    • £3.99 £0.99

Mimulus x hybridus 'Mystic Mixed' F1 Hybrid

Diplacus, Monkey Flower, Musk

 Customer Rating
Mimulus are versatile bedding plants for full sun or part shade. The Mystic Mixed is quick to flower and perfect for use in bedding, borders and containers. This exclusive blend covers a wide colour range and includes spotted blooms. Height: 15-23cm (6-9in).
More info
    • 1 packet (40 mimulus seeds)

    • Despatch: by Monday
    •  
    • £0.99

Mimulus x hybridus 'Maximus Mixed'

Diplacus, Monkey Flower, Musk

The biggest Mimulus flowers we have ever seen! The flowers are "four times the size of traditional varieties and are available in a wide range of vibrant colours. Strong plants produce these magnificent flowers over a very long season, ideal for planting in shady borders or containers. Height: 30-60cm (12-24in)
More info
    • 1 packet (40 mimulus seeds)

    • Despatch: by Monday
    •  
    • £3.29 £0.99

Cineraria 'Jester Scarlet'

Pericallis x hybrida, Cineraria cruentus, Cineraria x hybrida, Florists' Cineraria, Senecio x hybridus

A really striking bicolour which is dwarf and uniform in appearance, offering a carpet of scarlet-copper flowers with a distinct pure white centre. Height: 20-25cm (8-10in).

More info
    • 1 packet (25 cineraria seeds)

    • Despatch: by Monday
    •  
    • £0.99

Datura metel 'Double Golden Queen'

Brugmansia, Angels' Trumpet, Downy Thorn Apple

A dynamic border and container plant with large, beautifully double, frilled flowers of canary yellow. The many flowers are earlier than most varieties and will continue through to frosts. Makes a stunning conservatory plant too. Flowers mid to late summer. Height 140cm (5 feet). More info
    • 1 packet (8 datura seeds)

    • Despatch: by Monday
    •  
    • £3.99

Datura meteloides 'Evening Fragrance'

Brugmansia, Datura inoxia, Angels' Trumpet, Downy Thorn Apple

Huge and heavily fragrant pure white trumpet flowers, with a soft lavender picotee edge, 20cm (8in) long and 10-15cm (4-6in) across, hang from tree-like plants, with soft, slate-blue foliage. Perfect for growing in tubs, containers, on patios or sheltered corners close to the house where the evening perfume can be appreciated. Despite their exotic appearance they are relatively tough under windy and rainy conditions, adapting to many soil types. Height: 90-120cm (36-48in), spread 90-95cm (36-38in). More info
    • 1 packet (8 datura seeds)

    • Despatch: by Monday
    •  
    • £1.49 £0.99

Mimulus x hybridus 'Magic Yellow Flame' F1 Hybrid

Diplacus, Monkey Flower, Musk

Wow! Dwarf compact early flowering plants are smothered in stunning golden-yellow blooms. Intriguingly marked with delicate vibrant orange spots. This versatile variety for borders or containers will burst into colour when grown in sun or shade. Height: 15-23cm (6-9in). More info
    • 1 packet (40 mimulus seeds)

    • Despatch: by Monday
    •  
    • £0.99

Catharanthus roseus 'Mediterranean Lilac'

Vinca rosea, Rosy Periwinkle, Madagascar Periwinkle, Cayenne Jasmine

The first of a new breed in trailing Vincas! Specifically for baskets and containers they are early flowering with large, rounded, overlapping petals forming striking, vivid blooms.

More info
    • 1 packet (25 catharanthus seeds)

    • Despatch: by Monday
    •  
    • £0.99

Strelitzia reginae (Dwarf) - Exotic Seed Collection

Bird of Paradise

Unparalleled beauty of colour and form. Fantastic, exotic flowers justly famous. Grow them in your own greenhouse. One of the most rewarding of plants, it will take quite a bit of abuse and careless handling. Flowers spring. Height: 60-90cm (24-36in). More info
    • 1 packet (4 strelitzia seeds)

    • Despatch: by Monday
    •  
    • £4.99

Tacca chantrieri 'Nivea'

Cat's Whiskers, Devil Flower, Bat Plant

This rare white form of the ever popular Bat Plant offers shiny, dark green leaves and in 2-3 years when mature, magnificent white, green veined blooms with long tentacles. A thought- provoking plant for the home or conservatory. More info
    • 1 packet (8 tacca chantrieri seeds)

    • Despatch: by Monday
    •  
    • £4.99