Secrets to Growing Giant-Sized Vegetables

By Harry RamosLast update: 2024-09-13

Get interested in growing giant vegetables but don’t know where to start? Don’t worry! This article will show you all secrets to growing giant-sized vegetables from scratch with less failure, higher success rate. Let’s get started!

Choose Giant-Sized Vegetable Seeds

Secrets to Growing Giant-Sized Vegetables

While enthusiastic giant-sized vegetable growers love seeking for rare seeds to grow, beginners should start with easy-to-grow ones.

The market of giant-sized vegetable seeds is vast and sometimes, a few marketing tricks push the price of some seeds up crazily while their germination rate is not always high.

I personally don’t spend much on seeds. My standards are to look for truly high-quality seeds and if I succeed in growing a giant-sized vegetable species, I can start saving heirloom seeds from the biggest crops.

You might need to spend time searching for varieties that suit the overall climate in your area and your garden soil quality. But here are some common options – which are very easy to grow - to consider:

Type of vegetables

Name

Fruit weight/Size

Days to harvest

Melon

Carolina Cross

100 pounds

-

Banana

5 to 8 pounds, up to 24” long

90

Tomatillo

Gigante

4"

99

Squash

Marina di Chioggia Squash

10 pounds

-

Giant Pink Banana Squash

30" long

100 to 105

Dill's Atlantic Giant Pumpkin

500 up to 2009 pounds

-

Tomato

Old German

1-1/2 to 2 pounds

75

Giant Oxheart

2 pounds

90

Brandywine

1-1/2 pounds

100

Beefmaster Hybrid

(2+ pounds

75

Big Zac

4 to 6 pounds

-

Pepper

Chinese Giant

4 to 5 inches deep

6 inches across

90

Super Heavyweight Bell Pepper

8-9 inches

77

Big Chile Hybrid

40% larger than Anaheim's

-

Onion

Ailsa Craig Giant Exhibition

2-5 pounds

110

Find The Right Time For Sowing Seeds

Secrets to Growing Giant-Sized Vegetables

Your giant crop will be impacted if you sow seeds too late or too early.

Ask a sales associate at the local nursery about growing requirements and caring guides of the seeds you buy. Or, look at the product description.

Most vegetable seeds require sowing either in spring or fall because of the cool weather conditions but not too cold. For example, giant pumpkins and cabbages. But be mindful of some exceptions – such as giant carrot seeds which need to be planted in mid to late winter.

Sow Seeds Properly

Giant-sized vegetable seeds can be sown in earth ground or in a pot (but make sure it is at least 12” in size).

There are three big notes you should keep in mind when sowing seeds:

  • Sow seeds with fertilizer
  • The required depth to bury seeds in the soil should be 2x the seed’s diameter. For example, dig a big, 8mm-deep hole if your seed is 4mm in diameter.
Secrets to Growing Giant-Sized Vegetables
Secrets to Growing Giant-Sized Vegetables

Besides, if you want to increase the germination rate, sow more seeds in separate pots.

Apply The Right Fertilizer For Your Giant-sized Vegetables

Just like standard garden-variety seeds, each plant requires specific kinds of fertilizers to grow happily and produce the highest-quality crops. Here are common guides for some popular seeds:

Slow-release, nitrogen-rich fertilizers - best for giant cabbage plants

Secrets to Growing Giant-Sized Vegetables

Nitrogen-rich fertilizers – best for giant-sized corn stalks

Secrets to Growing Giant-Sized Vegetables

Bone and fish blood, or a compound of potassium and oxygen combining with potash, phosphorus, and nitrogen in a 6:3:2 ratio – best for giant-sized pumpkins.

Secrets to Growing Giant-Sized Vegetables

Only feed the root system and not the leaves, and do so weekly until harvest.

Provide Lighting

Giant-sized vegetable seeds germinate more quickly in a warm, full-sun place, therefore, you should choose the right position to sow them or place the pot by a window to receive enough sunlight per day.

How To Water Giant-sized Vegetables Properly

During seedlings, remember to water them daily or skip a day if it rains. Keep the soil damp, but not dripping wet. It is recommended to use warm water.

Secrets to Growing Giant-Sized Vegetables

You can water the plant multiple times per day but do not overwater because it might cause the fruit to split

What To Do Once Fruits Show

Regularly check the fruit development to ensure they aren’t rotten away. Once you find out the shiniest contender – which is a fruit being properly growing, remove other fruits from the plant to concentrate its energy and nutrients into that one fruit.

Secrets to Growing Giant-Sized Vegetables

Regularly prune the plant if it starts overgrowing. Cover the cut in a compost layer.

Get Advice From Fellow Exhibitors

While just a few competitors are coy, many people love sharing their experience and knowledge about how they grew their giant-sized vegetables.

For example, I have learned this interesting trick from a fellow exhibitor, which is collecting your morning pee to feed giant-sized cabbages. The reason is that morning pee contains a lot of nitrogen – which is an important factor to help the plant grow massively.

I did and found it worked!

Conclusion

Once your vegetables reach the desired size, harvest them! The vegetables used for cooking are frequently harvested earlier than those for entering a contest. For a too-big veggie, consider asking a family member, a friend, or use a wheelbarrow to transport it.

That’s all my secrets to growing giant-sized vegetables. Thanks for reading!


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