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.
 

Salvia coccinea 'Summer Jewel Red'

Scarlet Sage

  • NEW in 2013
  • Flowers all summer until the first frosts
Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Red' is quicker to flower and more compact than other dwarf salvias. This free flowering variety bears its long lasting scarlet blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its fiery blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49

Canna indica 'T&M Hybrids'

Indian Shot Plant

 Customer Rating
Shades of yellow, red and cream with pretty bronze or green foliage. Sow early.
More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49

Salvia patens

Gentian Sage

A classic border plant, ideal for adding a cool blue drift to your planting schemes. The attractive, large blue hooded florets are borne on erect stems above toothed foliage. First year flowering, blooms throughout the summer into autumn. Height: 45-60cm (18-24in).
More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99

Arctotis 'T&M Hybrids'

African Daisy

Shades of cream, yellow, orange, red, crimson and purple. Beautiful for the border where the flowers are produced in profusion throughout the summer, and excellent for cutting.Silvery/green finely cut foliage. Flowers mid summer to frost. More info
    • 1 packet (70 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.69

Salvia patens 'Cambridge Blue'

Gentian Sage

An outstanding plant, which is a variant to the Mexican species. Exquisite large pale blue, hooded flowers on erect stems. Superb in borders, greenhouse or conservatory, and in milder areas tubers can be left outside. Otherwise simply lift plants in the autumn and store similarly to Dahlia tubers until spring, when you can plant them outside again. Height: 60-75cm (24-30 inches).
More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99

Verbena tenuisecta 'Desert Jewels Mixed'

Moss Verbena, Glandularia, Vervain

  • NEW in 2013
Enjoy the pretty flowers and lacy foliage of this semi- trailing verbena. This fabulous colour mix produces long lasting blooms on drought tolerant plants that make a lovely addition to any garden. With a relaxed spreading habit, Verbena tenuisecta 'Desert Jewels Mixed' looks sensational spilling from baskets and containers or tumbling through borders and rockeries. Height: 20cm (8"). Spread: 30cm (12").
More info
    • 1 packet (35 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49

Asarina purpusii 'Victoria Falls'

Maurandya

Vibrant cerise-purple antirrhinum-like flowers, clasped in lime-green bracts, cascade from delicately arching stems, that grow to 45cm (18in). This half-hardy perennial will flower from early May until cut back by frost. Non-climbing, use in baskets, containers, and window boxes. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99

Cobaea (Duo)

Cup And Saucer Vine, Cathedral Bells, Cups And Saucers, Mexican Ivy

 Customer Rating

One packet each of Cobaea scandens and Cobaea scandens alba.
Cobaea scandens - A showy climber for the cool greenhouse, conservatory, and also forming a very decorative screen on trellis or south facing wall in milder areas. The large bell shaped 'cup and saucer' flowers are often 6cm (2½ in) across. Flowers late summer. Climber.
Cobaea scandens alba - A spectacular climbing plant for the summer garden or the conservatory. This very choice creamy white form of Cathedral Bells or The Cup and Saucer Plant comes from Mexico and quickly grows to cover unsightly areas or a wall outdoors, where it can be treated as a summer annual. Alternatively it may be grown in the heated conservatory or greenhouse, where it will continue to flower for many years. Flowers summer. Climbing Height 3-6 metres (10-20ft).

More info
    • 2 packets - 1 of each variety (13 seeds in total)

    • Despatch: Within 2 Days
    • SAVE £1.49  
    • £5.98 £4.49

Asarina scandens 'Jewel Mixed'

Maurandya scandens

Sophisticated climber, masses of 1½in indigo to violet blue, pink or pure white flowers. Quick to bloom from an early sowing. Ideal for the cold greenhouse or conservatory. One of the longest flowering annuals, in bloom untill Christmas if there is no hard frost or in the greenhouse during winter. Climbs to 120-240cm (4-8ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49

Datura metel 'Double Golden Queen'

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99

Datura meteloides 'Evening Fragrance'

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49

Datura metel 'Double Blackcurrant Swirl'

Angels' Trumpet, Downy Thorn Apple

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99