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Home>Vegetables>Vegetable Seeds>All Other Vegetable Seeds

Sweetcorn 'Lark' F1 Hybrid (Tendersweet)Zea mays

Just £2.99

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.
4 Reviews
1 packet (25 sweetcorn seeds) £2.99 Despatch: within 24 hours
Description Sowing More Info Delivery Reviews Video

Sweetcorn 'Lark' is a midseason tendersweet variety giving superior sweetness with a softer, less chewy texture than conventional supersweets. The large cobs, packed with golden, thin-skinned kernels, are delicious picked fresh from the garden and boiled, steamed or barbecued. Many varieties of Sweetcorn need to be grown in isolation. This variety has the benefit of being able to be grown alongside other varieties. A more reliable germination compared to supersweets adds to the appeal of the RHS Vegetable Collection variety.Height: 200cm (79"). Spread: 45cm (18").

Kitchen Garden


Full sun

Up to 200cm (78.7in)

Up to 45cm (17.7in)

Easy for all

Easy for all

1 Packet (25 Sweetcorn Seeds) (TR00708)

Sowing Months Flowering Months Harvest Months

Water sweetcorn plants regularly until established, particularly during dry periods. Provide a thick mulch of organic matter around the base of the plants to help conserve moisture and reduce weed growth. Sweetcorn plants are shallow rooted so take care when hoeing to prevent root damage. Harvest sweetcorn cobs when the silky tassles at the end of the cob have turned brown. Peel back the sheath of the cob slightly and press the corn kernels with a fingernail until liquid squeezes out. If liquid is milky coloured then the cob is ripe, if clear then it is under-ripe, if thick then the cob has become starchy and passed its best

Start off in 7.5cm (3") pots indoors and plant out in your vegetable plot. Fill pots with good, free-draining, damp, seed compost. Sow seeds 2cm (3/4") deep in the compost. Place the pots in a propagator or seal inside a polythene bag and keep at around 18-24C (64-75F) until the seeds germinate. This will take about 7-10 days. Don't exclude light as this helps germination.

Before planting out, prepare the soil by raking until it is fine and crumbly, removing any large stones. Acclimatise the plants to cooler conditions by putting them outside for a few hours a day for 10 - 14 days. Plant out when all risk of frost has passed, 35cm (14") apart between each plant and between each row to form a block as sweetcorn are wind pollinated, although gently shaking the plants when the tassels at the top of the plant are laden with pollen can help the process.


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 and will be stated on the product page 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.

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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.


Smallish cobs 2016-06-10

2016 North Yorkshire Grew Ovation, Conqueror and Lark outside. started off in pots in the greenhouse and planted out late May, ready with fleece to cover if frost but it wasn't needed.. Lark germination good, the cobs were the last to be ready, mod September. Lark were the smallest cobs of all grown, the flavour was excellent.

T&M replied on 2016-10-06: Thank you very much for your review. I am glad that you have been happy with your purchase and thank you so much for taking the time to let us know. I hope we can continue to be of service to you in the future.

Best sweetcorn I have grown. 2015-10-11

Being near Penzance planted out in May only to have the coldest one in years. Lost several plants but the rest rallied very well. The taste, to anyone who remembers sweetcorn of yesteryear, is incredible. How they can breed sweetcorn as sweet as this to grow in England is amazing.

T&M replied on 2015-11-11: Thank you very much for your review. I am glad that you have been happy with your purchase. I hope we can continue to be of service to you in the future.

Great Flavour, Good Germination, All Round Great Corn 2015-10-10

This was my first year growing sweetcorn and Lark turned out to be a great choice. 18 out of 20 seeds germinated and resulted in strong plants which produced around 3 - 4 cobs per plant. Cobs are a really good size, juicy and the flavour was beautiful. All round this is a great variety.

T&M replied on 2015-10-12: Thank you very much for your review. I am glad that you have been happy with the results. I hope we can continue to be of service to you in the future.

Lovely corn, hard to beat and Which? liked it too. 2011-09-07

Grew this last year and the cobs were lovely. Decided to have a go with Lapwing this year but have still grown some Lark. Unless you are in the South, start them off in May in the airing cupboard in roottrainers or similar then plant out end May in blocks about 25 cm between plants. Lots of water and plant food and you will get fabulous corn. Blanch before freezing and eat the last over Chirstmas - lovely. Which? also liked the Mirai varieties which I may try next year but I'll still be growing Lark as the postive control. The Hurst Greenshaft of corn. Happy days.