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 12 products.
 

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 3 days
    •  
    • £2.49

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 3 days
    •  
    • £3.19

Broccoli 'Red Spear' (Purple Sprouting) - SowStrong® Collection

Brassica oleracea (Italica Group)

Purple Sprouting Broccoli 'Red Spear' produces heavy yields of top quality spears. The delicious crop makes a tasty treat in February and March, at a time when fresh vegetables from the garden are scarce. This vigorous variety holds an RHS AGM for its exceptional garden performance. Height: 90cm (35"). Spread: 60cm (24").

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


Useful links:

Companion Planting
Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (70 broccoli seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Brussels Sprout 'Bright' F1 Hybrid

Brassica oleracea (Gemmifera Group)

This 2-in-1, autumn-maturing variety produces a well spaced crop of sprouts with the added bonus of the sweet, cabbage-like top which can be eaten as delicious fresh 'greens'. The tasty round buttons are of uniform size with a good flavour. Brussels Sprout 'Bright' also shows good resistance to stem mildew, leaf spot and alternaria. Height: 75cm (30”). Spread: 50cm (20”).


Companion planting: Try growing Brussels sprouts 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 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Cabbage 'Supervoy' F1 Hybrid (Winter Savoy) - SowStrong® Collection

Brassica oleracea (Capitata Group)

Cabbage 'Supervoy' is ideal for overwintering showing superb hardiness and excellent holding ability. This flavoursome winter savoy cabbage produces dark green heads of superb quality that can be harvested as late in the season as March from a late sowing. This versatile variety even crops well in less fertile soils. Height: 30cm (12”). 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
Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (50 cabbage seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Brussels Sprout 'Brigitte' F1 Hybrid - SowStrong® Collection

Brassica oleracea (Gemmifera Group)

Brussels Sprout 'Brigitte' is an outstanding variety producing smooth, uniform buttons with an exceptional nutty flavour. These tall plants have good disease tolerance, with crops standing in excellent condition until the end of the year. Height: 75cm (30"). Spread: 50cm (20").

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


Useful links:

Companion Planting
Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Cauliflower 'Helsinki' F1 Hybrid - SowStrong® Collection

Brassica oleracea (Botrytis Group)

Cauliflower 'Helinski' produces uniform, pure white curds which don't break down or discolour. This superb variety can be sown in October and transplanted in spring for an early summer crop. Spring sowings will provide delicious heads of cabbage later in the summer. 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

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (50 cauliflower seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Broccoli 'Typhoon' F1 Hybrid (Calabrese) - SowStrong® Collection

Brassica oleracea (Italica Group)

This late maturing variety is ideal for producing late summer and autumn crops. The large, domed heads of tightly budded Calabrese have a wonderful dark green colour and a superb flavour. Broccoli 'Typhoon' stands well in the garden and shows good tolerance to downy mildew. Height: 45cm (18"). Spread: 40cm (16").

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


Useful links:

Companion Planting

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (40 broccoli seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Kale 'Kapitan' F1 Hybrid - SowStrong® Collection

Brassica oleracea (Acephala Group), Borecole

The branching stems of Kale 'Kapitan' produce abundant crops of winter greens throughout late autumn and winter. The attractive, deep green leaves are densely curled and show excellent winter hardiness during the worst winter weather. Height: 75cm (30"). Spread: 50cm (20").

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


Useful links:

Companion Planting

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (50 kale seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Cabbage 'Mohykan' F1 Hybrid (Autumn) - SowStrong® Collection

Brassica oleracea (Capitata Group)

Cabbage 'Mohykan' produces dense, oval heads, averaging 2kg in weight, with a short core. This autumn maturing variety has good resistance to splitting and a long storage potential. A versatile variety in the kitchen that is ideal for shredding fresh into salads and pickling as well as cooking. 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

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (40 cabbage seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Spinach 'Kansas' F1 Hybrid - SowStrong® Collection

Spinacia oleracea

This outstanding summer spinach is best grown as a high yielding, full sized plant, but can also be grown for 'baby leaf'. British bred Spinach 'Kansas' produces medium thick, mid green, smooth, oval leaves with a good flavour whether eaten raw or cooked. This productive variety shows resistance to all the modern races of downy mildew. Its slow growing habit also gives it good resistance to bolting. Height: 20cm (8"). Spread: 30cm (12").

Useful links:

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (250 spinach seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Cabbage 'Duchy' F1 Hybrid (Spring/Summer/Autumn) - SowStrong® Collection

Brassica oleracea (Capitata Group)

An exceptional and popular variety that can be harvested as a sweetheart cabbage when mature, or cut as 'greens' when young. The attractive pointed heads, each weighing up to 500g, have a good leaf colour and delicious sweet flavour. Cabbage 'Duchy' stands well, remaining in good condition without yellowing or bolting. Height: 30cm (12"). Spread: 35cm (14").

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

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (70 cabbage seeds)

    • Despatch: Within 3 days
    •  
    • £2.49