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How long does it take giant pumpkins to grow?

Author

David Richardson

Updated on March 05, 2026

How long does it take giant pumpkins to grow?

How Long Does it Take to Grow a Giant Pumpkin? Because you're growing giant pumpkins, expect the maturation time to be anywhere from 125 to 150 days. This is to account for 60 days of plant growth and 80 days of fruit growth.

Beside this, how fast does a giant pumpkin grow?

It can take anywhere from 140 – 160 days to grow a giant pumpkin, the general rule is 60 days of plant growth and 90 days of fruit growth.

Beside above, when should I start giant pumpkins? Planting and Space Requirements

Growing giant pumpkins requires an early start. Seeds should be sown individually and started indoors in 12-inch peat pots about the end of April. A well-balanced potting medium is recommended. Plants are ready for transplanting when the first true leaf is fully expanded.

Also to know, how much does a giant pumpkin grow per day?

The earlier you set a pumpkin, the longer it has to grow until harvest. Since these monsters can gain 25 pounds a day, losing 10 days in the early part of the season could put you well down the list at your local pumpkin weigh-off.

How do you grow a huge pumpkin?

For growing really big pumpkins, the most important things to remember are seeds, soil, sunshine, and water. By mid-August the plants are pulling in water and nutrients at a great rate. Nighttime is when pumpkins do their growing, most expand two inches in circumference every night.

Are huge pumpkins edible?

Can you eat a giant pumpkin? Technically yes you can eat them, but they are made of mainly water and are very bland in taste, also with the pumpkins growing so fast and sucking up nutrients and fertilisers it might contain some nasty things you may not want to eat.

How many pumpkins do you get per plant?

If you're getting into planting pumpkin and want to know how many pumpkin plants you can grow per plant, then the simple answer is 3 to 6 pumpkins. Some miniature varieties can yield 10 to 12, while the large variety can produce 1 or 2 pumpkins.

Does milk make pumpkins grow bigger?

Your pumpkin blossom will drink up the milk without ceasing, and the extra nutrition will allow your pumpkin to grow larger and heavier than the pumpkins that are growing normally, right beside it.

Should I trim my pumpkin vines?

Back when I first started gardening, I thought leaving a pumpkin vine to grow every which way was the only way to keep it alive and well. Turns out, this isn't necessarily true. While it's not absolutely necessary to trim the vines, doing so can encourage a more abundant harvest, and larger pumpkins.

What's the best fertilizer for pumpkins?

As the pumpkin grows, switch to a 20-20-20, or even manure alone. While the plants are mature and expanding, use a fertilizer with more potassium such as a 10-10-20. A super-potassium fertilizer, a 0-0-60, is available for giant-pumpkin growers.

What's the largest pumpkin ever recorded?

The largest pumpkin ever grown was 2,624 pounds, by a Belgian horticulturist. The largest pumpkin every grown in this country weighed 2,528 pounds and was grown in New Hampshire. The largest pumpkin in Illinois came from a factory worker named Gene McMullen; it won the 2015 state championship and weighed 2,145 pounds.

Why do giant pumpkins have a different shape than small pumpkins?

As a large pumpkin grows, its rapidly increasing weight causes certain parts of the pumpkin to grow faster than others. This gives giant pumpkins their curious shapes. Thebulbous growth allows the pumpkin to grow larger in size without forming cracks in its shell.

How much do giant pumpkins cost?

Giant pumpkins cost $2 per pound - This is my average price. Prettier pumpkins such as this one or this one may be higher, or at least non-negotiable.

Can you over water pumpkins?

Pumpkins are thirsty, and big pumpkins are even more so, but you can easily over-water. Be sure to keep the soil moist, but not wet. Water whenever the soil feels dry to the touch.

How many gallons of water does it take to grow a pumpkin?

Pumpkins require regular, even water to keep vines and fruiting growing without interruption. Give pumpkins 1 to 1½ inches of water each week (1 inch/2.5cm of water equals about 16 gallons/60.5 liters). Do not let the soil dry out. Slow, deep watering is best.

Do Pumpkins need full sun?

If you want to have pumpkins by Halloween, you should plant them in early to midsummer so fruit will mature in the fall. If pumpkins are planted too early, they may soften and rot before Halloween comes around. Pumpkins prefer full sun, but it is one of the few vegetables that will thrive under partial shade.

How do you keep a giant pumpkin from rotting?

Place a piece of wood or cardboard under growing pumpkins. This elevates the pumpkins off soggy soil to help prevent rot. Water the pumpkins near the base of each plant rather than watering over the entire patch.

What can I do with a large pumpkin?

8 Things To Do with Your Leftover Pumpkins
  1. 1 - Pumpkin puree. One of the most helpful thing to know about re-using our pumpkin is knowing how to make pumpkin puree.
  2. 2 - Donate them to a farmer.
  3. 3 - Pumpkin Butter.
  4. 4 - Heal your skin.
  5. 5 - Floating candle.
  6. 6 - Pumpkin biscuits.
  7. 7 - Air freshener.
  8. 8 - Flower pot.

Can I plant pumpkin seeds from a store bought pumpkin?

So, can you really plant seeds from a supermarket pumpkin and grow your own squash? The short answer is 'yes', but if your pumpkin was a hybrid (and even simple carving pumpkins can be), the fruit you later harvest may differ in size and color from the squash you originally bought at the store.

What are the stages of growing a pumpkin?

There are three key pumpkin growing stages.
  • The Seed Starting Stage. The best and most fulfilling way to grow pumpkins is by using seeds. Pumpkin seeds are pale, flat, and triangular.
  • The Seedlings & Growth Stage. This is the second stage. It is characterized by first growths aka sprouts.
  • The Harvesting Stage.

Should you turn pumpkins as they grow?

Like all vegetables, you need to rotate or move pumpkin crops from year to year. If no pollination occurs, the female flower—with its mini pumpkin base—falls off the vine. Mature pumpkins are 80 to 90 percent water, so you can bet that pumpkins need a lot of water as they grow. Irrigate plants when soil is dry.

Where should I plant pumpkins?

Pick a site with full sun (to light shade) and lots of space for sprawling vines. Vine varieties need 50 to 100 square feet per hill. However, if your garden space is limited, no worries! Plant pumpkins at the edge of the garden and direct vine growth across the lawn or sidewalk.

Can I plant a whole pumpkin?

I used a seed starter to be on the safe side, but pumpkins are supposed to be super easy to grow, so maybe it doesn't matter. This little pumpkin even had a shoot trying to come out the side! The whole pumpkin gets planted and the girls water them (more then) thoroughly.

How deep are pumpkin roots?

The taproot of mature pumpkins grew 6 feet deep and had 10 or more lateral branches that extensively branched outward for 5 to 17 feet or more. Many of these lateral roots were 2 to 4 feet long and all complexly and minutely rebranched, forming a “wonderfully efficient root complex”.

How much space do pumpkins need?

Space full-size plants 5 feet apart, and mini pumpkins 2 to 3 feet apart. Plants need ample water when flowers and fruits are forming. It is best to use a drip system or soaker hose to directly water soil at the base of vines so as to avoid wetting foliage.

Are pumpkins orange?

Well they're not always orange! Pumpkins change color from green to orange for the same reasons tree leaves change color in the fall, and they do it under the same conditions. Most pumpkins contain organic pigments called carotenoids that give their flesh and skin the classic deep orange tint.

How do you prepare the soil for pumpkins?

To prepare a soil bed for pumpkins, select the size of area you are going to prepare (bearing in mind pumpkin plants will need a good deal of space, vines can run 25 feet or more) and dig down two to three feet and then backfill with a rich compost and manure mix.