Thompson & Morgan

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Brassica & Leafy Green Seeds


Brussels Sprouts, broccoli, cabbage and cauliflower are just a few of the vegetables classed as brassica and there are plenty to choose from in our online range. Be sure to cover young plants with fine netting to deter birds and other pests.



We have found 114 products.
 

Cauliflower 'Coloured Headed Mix'

Brassica oleracea (Botrytis Group)

  • Enjoy cauliflower for 15 weeks
  • Get the longest harvest from one packet of seed

Add some colour to the brassica bed with our exclusive Cauliflower Colour Collection. We've brought together 4 top-tasting ornamental cauliflowers into one vibrant collection.


This collection comprises; Cauliflower 'Tirza F1', Cauliflower 'Sunset F1', Cauliflower 'Trevi F1' and Cauliflower 'White Gold F1'.

Stick to tradition with Tirza, a heavy cropping variety producing pure white curds. We've included Sunset F1 for its unusual golden curds, while Trevi brings lime green curds into the mix. To top the collection off and add something truly special to your veg plot we've also included 'White and Gold', a Romanesco variety offering alien-like conical, yellow curds surrounded by white-silver foliage. Height: 60cm (24"). Spread: 60cm (24").
More info
    • 1 packet (25 cauliflower seed mix)

    • Despatch: Within 1 days
    •  
    • £3.99

Cabbage 'Tundra' F1 Hybrid (Winter Savoy)

Brassica oleracea (Capitata Group)

 Customer Rating

This RHS AGM variety produces solid, sweet, crisp heads that are ideal for winter salads. Winter Savoy Cabbage 'Tundra' is high yielding and particularly hardy, so it can be harvested right through the winter. Cabbages are easy to grow being perfectly suited to the British climate, and make a delicious and healthy side dish, as they are high in vitamins and low in calories. Height: 40cm (16"). Spread: 60cm (24").


Companion planting: Try growing cabbages with Nasturtiums to draw cabbage white butterflies away from your crop, and mint to help deter flea beetles.


Useful links:

Companion Planting

More info
    • 1 packet (40 cabbage seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Spinach 'Violin' F1 Hybrid

Spinacia oleracea

Spinach 'Violin' is a versatile new variety which can be grown as 'baby leaves' or as larger, mature leaves for steaming if grown at a wider spacing. The flat, mid green spinach leaves are produced in abundance and have a good flavour whether eaten raw or cooked. Showing good resistance to bolting and downy mildew tolerance, this robust variety can be sown and harvested over a longer period from spring right through to autumn. Height: 20cm (8"). Spread: 30cm (12"). More info
    • 1 packet (500 spinach seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Cabbage 'Brigadier' F1 Hybrid (Autumn/Winter)

Brassica oleracea (Capitata Group)

Cabbage 'Brigadier' produces giant heads weighing up to 6.5kg (14lbs). The enormous heads of this winter cabbage have a high sugar and Vitamin C content, making them delicious eaten raw, but also excellent when cooked. Cabbage 'Brigadier' has good fusarium resistance and stands well in good condition over a long period. Height: 40cm (16"). Spread: 75cm (30").

Companion planting: Try growing cabbages with Nasturtiums to draw cabbage white butterflies away from your crop, and mint to help deter flea beetles.


Useful links:

Companion Planting

More info
    • 1 packet (40 cabbage seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Spinach 'Medania'

Spinacia oleracea

A very popular, easy to grow and reliable variety, Spinach Medania produces an abundance of dark green leaves. Long standing if grown in good, moist soil which is kept watered during dry weather. Spinach Medania is ideal for successional sowing to give a longer cropping period. Broad, deep green leaves; ideal for freezing. Popeye was right, you can eat no better vegetable than spinach. Rich In vitamins A and C, beta-carotene, lutein and dietary fibre.
More info
    • 1 packet (750 spinach seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Kohl Rabi 'Azurstar'

Brassica oleracea (Gongylodes Group)

Quick growing, tender white flesh sliced in salads. More info
    • 1 packet (125 kohl rabi seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Pak Choi 'Tricolour Mix'

Brassica rapa

Three unique hybrid Pak Choi to highlight salads and stir fries. Collection comprises one packet each of: Pak Choi Purple F1 - An eye catching reddish-purple top leaf contrasts with the green undersides and the bright green stems. Pak Choi Green F1 - Produces vibrant apple green stems. Pak Choi White F1 - Produces pure white, juicy stems. Ready to harvest in 30 days from sowing as 'baby leaf' or 45-70 days as semi-mature to full size heads. Earlier and later sowings for 'baby leaf' can be made under cloches or fleece. Height 25cm (10"). Spread 20cm (8") More info
    • 1 packet (150 pak choi seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Cauliflower 'Veronica' (Summer/Autumn)

Brassica oleracea (Botrytis Group), Romanesco Cauliflower

Cauliflower 'Veronica' is an RHS AGM Romanesco type producing attractive heads of individual florets with lovely spirals from late summer to early frosts, from successional plantings. The season can be extended by protecting the heads against frost with fleece. Height: 45cm (18"). Spread: 60cm (24").


Companion planting: Try growing cauliflowers with Nasturtiums to draw cabbage white butterflies away from your crop, and mint to help deter flea beetles.


Useful links:

Companion Planting

More info
    • 1 packet (50 cauliflower seeds)

    • Despatch: Within 1 days
    •  
    • £3.99

Cabbage 'Sir' F1 Hybrid (Summer/Autumn)

Brassica oleracea (Capitata Group)

  • Dense cabbage heads up to 1kg

French bred Cabbage 'Sir' is ideal for summer and autumn harvesting. The compact plants produce dense, rounded, ball-heads with an exceptional flavour and few wasted outer leaves. This superb variety stands well in all weather conditions without splitting, rotting or bolting and shows good tolerance to mildew and other diseases. Excellent eaten cooked or shredded raw into salads and coleslaws. Height: 30cm (12"). Spread: 45cm (18").


Companion planting: Try growing cabbages with Nasturtiums to draw cabbage white butterflies away from your crop, and mint to help deter flea beetles.


Useful links:

Companion Planting

More info
    • 1 packet (30 cabbage seeds)

    • Despatch: Within 1 days
    •  
    • £3.49 £0.99

Spinach 'Amazon' F1 Hybrid

Spinacia oleracea

From successive sowings this British bred variety will produce high yields of glossy, dark green, rounded leaves from spring through to autumn. Spinach 'Amazon' is fast growing with good resistance to downy mildew and bolting, making it ideal for harvesting as baby leaves or growing on as mature plants. Well suited to the British climate, this RHS AGM variety can be grown in the vegetable plot or in containers on the patio. Height and spread: 20cm (8").
More info
    • 1 packet (500 spinach seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Broccoli 'All Season Collection' (Calabrese)

Brassica oleracea (Italica Group)

  • Enjoy broccoli for 22 weeks!

What do you get when you grow the earliest and latest cropping calabrese either side of a vigorous mid season variety? Five months of fresh tasty pickings! This collection comprises; 'Aquiles', 'Fiesta' and 'Spiridon'. Aquiles is earliest to crop, producing smooth domed heads. The large heads of Fiesta soon follow, each weighing up to 340g (12oz). Spiridon heads get even bigger - up to 500g (17oz). Cut these and sideshoots will crop through to winter.

More info
    • 1 packet (35 calabrese seed mix)

    • Despatch: Within 1 days
    •  
    • £2.99