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Tomato 'Gigantomo'® F1 HybridSolanum lycopersicum L.

4 Options from £7.99

Half-Hardy Annual
What is Half-Hardy Annual?
A plant that completes its entire life cycle (growth, reproduction, death) in one season.
Can be grown outdoors but requires winter protection from frosts and temperatures below 0C.

Each fruit weighs a whopping 3 lbs!

The largest of all beefsteak tomato varieties

3 tomato Postiplug plants £7.99 Despatch: by end of May 2018
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5 tomato Postiplug plants £9.99 Despatch: by end of May 2018
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6 tomato Postiplug plants £9.99 Despatch: by end of May 2018
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10 tomato Postiplug plants Save £4.99 £19.98 £14.99 Despatch: by end of May 2018
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Please note: This product cannot be delivered outside the United Kingdom.
Description How to Grow More Info Delivery Video

After 20 years of breeding work, this colossal beefsteak tomato is the largest variety commercially available. Just one slice will fill a burger bun or sandwich, leaving plenty left over for the rest of the family! The enormous fruits of Tomato 'Gigantomo'® each weigh up to 1.3kg (3lbs) and measure 20cm (10") across. This amazing Tomato has all the disease resistance of modern cultivars, with a fleshy texture and wonderful flavour that harks back to heritage varieties.

Tomato 'Gigantomo'® is best grown in the greenhouse to provide adequate time for the giant fruits to ripen, but will also grow in a sheltered, sunny spot outdoors. Each cordon will produce up to 11 massive tomatoes. With fruits this big, these sturdy plants will certainly need staking. Height: 200cm (79in). Spread: 50cm (20").

Companion planting: Try growing tomatoes with French marigolds to deter whitefly, and basil, chives or mint to deter aphids and other pests.

Useful links:

How to grow tomatoes How to stop blight
Tomato selector guide Companion Planting

Also available as seed! Click here to view

Win up to £3000 by growing the world’s biggest? The current record stands at 7lb 2oz. Find out more

Kitchen Garden, Greenhouse


Full sun

Up to 200cm (78.7in)

Up to 50cm (19.7in)

Easy for all

Easy for all

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: GY, HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3.

3 tomato Postiplug plants (TKA1138)
5 tomato Postiplug plants (T58639)
6 tomato Postiplug plants (TKA1139)
10 tomato Postiplug plants (T58640)

Flowering Months Harvest Months

Water tomato plants frequently, to keep the compost evenly moist. Feed tomatoes regularly with a high potash plant food once the first truss of fruit has formed.

Tie the main stems to their supports and remove any sideshoots that develop between the main stem and the leaf stems. Once the plant has produced 6 or 7 trusses, pinch out the top of the main stem. This process of 'sideshooting' and 'stopping' will increase the availability of light and air movement around the developing fruit, and focus the plants energy on producing a good crop of high quality tomatoes. Tomatoes can be harvested as they ripen from July to October.

Pot up, and grow tomato plants on in warm frost free conditions until large enough to plant outdoors. When all risk of frost has passed, gradually acclimatise them to outdoor conditions over a period of 7 to 10 days. If growing in a glasshouse, plants may be transplanted from the end of may, allow 3 plants per growbag, or one per 25cm (10in) pot, or plant tomatoes directly into the greenhouse soil.

Outdoors: Choose a sheltered position in full sun on fertile, reliably moist, well drained soil, and transplant at a distance of 60cm (24") apart. Drive a (5') cane into the soil adjacent to each plant to support them as they grow, and tie each main stem to its support with soft garden twine.


Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £1.95.

Orders which include any other products will incur a delivery charge of £4.95.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details and details of any surcharges that may apply to certain destinations.

Satisfaction Guaranteed

For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.