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Only £5.49 with every order!

ONLY £2.99 with every order!

48 viola plug plants ONLY £3.99 with orders over £30

Pumpkin 'Wallace's Whoppers'Cucurbita pepo

Just £3.99

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.
3 Reviews

Grow your own world exclusive giant pumpkin

This seed is included in the 4 for 3 seed offer.
Don’t forget to check out our whole Seed Range HERE!.

We are really sorry, but this product is no longer available.

Description Sowing More Info Delivery Reviews Video
Ron Wallace is the world’s most successful giant pumpkin grower, having been crowned world champion 3 times - a record yet to be matched! If you fancy your chances try Pumpkin ‘Wallace’s Whoppers’. The current record for this variety stands at 2307lbs! These giant fruits will need plenty of space, but just think how impressive your Halloween lanterns will be. Height: 45cm (18"). Spread: 4m (13’).

Useful Links:
How to grow pumpkins from seed
Reasons to buy your seeds from Thompson & Morgan


Kitchen Garden

Half-hardy

full sun

Up to 45cm (18in)

Up to 400cm (157in)

easy

easy

RHS plants for pollinators

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Flowering Months Harvest Months

Feed and water pumpkins regularly. When growing pumpkins, a thick mulch of organic matter spread around the plants will help to conserve moisture at the roots. Hoe between plants regularly to prevent weeds from establishing. Pumpkins will begin to produce long stems which can be trained in a circle around the plant to prevent them spreading too far.


Leave pumpkins on the plant for as long as possible until the skin has hardened and the fruits start to crack near to the stem. Harvest pumpkins before the first frosts by cutting each fruit from the stem leaving several inches of the stem attached.

Sow pumpkin seed indoors from April to May for transplanting later on. Sow pumpkins seeds on their sides in small 7.5cm (3") pots of seed compost at a depth of about 2.5cm (1"). Place in a propagator or seal pots inside a plastic bag at a temperature of 20-25C (68-77F) until germination which takes 5-7 days. Do not exclude light, as this helps germination. Once germinated, grow pumpkins on in cooler conditions until all risk of frost has passed and pumpkin plants are large enough to be transplanted outdoors. Gradually acclimatise them to outdoor conditions over 7 - 10 days before planting pumpkins outdoors in warm, well drained, humus rich soil in full sun, with shelter from winds. Choose a spot that receives at least 6 hours of direct sun per day.


Alternatively direct sow pumpkins outdoors from late May to June at a depth of 2.5cm (1") and a distance of 2m (6 ½') - 3m (10') apart depending on the variety. Sow 2 seeds per hole and thin out the weakest seedling per station after germination.

Delivery

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 more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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.

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