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 36 products.
 

Coreopsis grandiflora 'Presto'

Tickseed

A breeding breakthrough, a true first year flowering perennial Coreopsis, ideal for planting in containers, window boxes or towards the front of borders. Naturally dwarf and compact ball-shaped plants are smothered in double golden yellow blooms all summer.
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.59

Sunflower maximiliani

Helianthus maximiliani, Maximilian Sunflower

Often known as the Maximilian Sunflower, this attractive species produces masses of golden yellow, 7cm (3”) wide blooms all the way up the tall stems, which have a sweet chocolate fragrance. Perennial sunflower Helianthus maximiliani makes a stunning addition to the back of borders and a good late summer food source for both birds and butterflies. Height: 250cm (98”). Spread: 100cm (39”).


Companion planting: Try growing sunflowers with chives to deter aphids.


Useful links:

Companion Planting

More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Coneflower, Black-eyed Susan

A profusion of bright flowers up to 5in across on bushy plants.
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    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Gaillardia aristata 'Arizona Sun'

Blanket Flower

Extremely dwarf, compact mound-forming plants become a mass of radiant red and gold large, daisy-like flowers throughout the summer. Flowers very quickly from seed, so makes a useful addition to perennial borders, or will add interest to bedding displays and containers.
More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Dichondra argentea 'Silver Falls'

Silver Ponyfoot

 Customer Rating

Vigorous growth displays true cascading plants with attractive glistening silver foliage and stems. Excellent added to mixed containers or creates a stunning basket plant on its own. Height: 5-7.5cm (2-3 inches). Spread/Trailing 90-120cm (3-4 feet).

More info
    • 1 packet (10 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Primula vulgaris

Primrose, Common Primrose

Without doubt this native British plant is one of the most beautiful of the Primula family and an excellent garden plant. The flowers are of softest yellow, a colour very rare among flowers, and are deliciously scented. Happy in full sun or part shade. Flowers spring. Height 6in.

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

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 3 days
    •  
    • £0.99

Pansy 'Karma Blue Butterfly' F1 Hybrid

Viola x wittrockiana

 Customer Rating

A totally unique Pansy! Spectacular flowers in an unusual colour combination, which are reminiscent of a tropical butterfly with electric blue wings and a hint of bronze going through to a golden splash in the center of each bloom. Sure to create an eye-catching display in spring or summer flowering borders or containers. A Hardy Perennial often used as a Half Hardy Annual. Height: 15-20cm (6-8in).

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

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £3.39

Sunflower x laetiflorus

Helianthus x laetiflorus, Perennial Sunflower, Showy Sunflower

 Customer Rating

A true perennial Sunflower adding height and colour to perennial borders, flowering in their first year. Stunning bright yellow 10-12cm (4-5in) diameter blooms with deep yellow centres, will brighten your garden over a long period attracting birds and butterflies. Height: 150-180cm (5-6ft).


Companion planting: Try growing sunflowers with chives to deter aphids.


Useful links:

Companion Planting

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Rudbeckia amplexicaulis

Clasping Coneflower, Dracopsis amplexicaulis

Something different for the border. This drought tolerant perennial is quick growing, with masses of 'Mexican hat' blooms all summer, aloft blue-green foliage. Grow in wide drifts to create a natural 'prairie' effect in the garden. Prefers a fertile, well-drained soil in full sun.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Aquilegia x hybrida 'Firecracker'

Columbine, Granny's Bonnet

Truly outstanding, with blazing, long-spurred blooms of contrasting orange-red and canary-yellow, complemented by blue-green foliage. Ideal planted en masse, turning borders into an explosion of colour.
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    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Red Hot Poker 'Traffic Lights'

Kniphofia hirsuta, Torch Lily

An intriguing dwarf red hot poker with unusual red, amber and green flower spikes. First year flowering, adding interest to borders and containers. Height: 30-40cm (12-16in). *Sow Sept/Oct to flower the following season.
More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99