How Long Does It Take To Grow A Pumpkin? [Complete Guide]

Have you ever wanted to grow your own pumpkins for the fall? Have you also wondered, "When do pumpkins start growing?"

After planting the seeds takes about 3 to 4 months for a pumpkin to grow fully. That's from the tiny seed to the big orange fruit we know.

Originating from the Americas, pumpkins demand meticulous attention, especially considering their extended growing seasons.

For instance, while growers in the southern states might begin their cultivation journey in July, those in the northern regions often start as early as May.

It's crucial to ensure you're past the last frost, given the 75 to 100 frost-free days pumpkins require.

Pumpkins are more than just a tasty ingredient. They're a Halloween favorite for carving and display.

The process of planting and watching their journey from seed to full size is truly captivating.

However, growing them successfully requires knowledge of their growth stages leading to harvest.

To simplify and guide your pumpkin-growing journey, we'll cover three main areas:

  1. From Planting Seeds to Flowering: How long does it take for a pumpkin to start showing after planting seeds?
  2. From Flowering to Harvesting: How long does it take for a pumpkin to grow after flowering?
  3. Step-by-step guide to growing pumpkins: How to grow a pumpkin from start to finish?

Let's get into the details of these steps to ensure your pumpkin-growing goes smoothly and you get good results.

When Do Pumpkins Start Growing? [Growth Stages]

Growing a pumpkin is a journey.

It all begins with a seed and ends with a vibrant fruit. Let's walk through the first stages of this process:

From Planting Seed to Flowering

How long does it take for a pumpkin to start showing after planting seeds?

Pumpkins undergo several growth stages, from when they are planted to when they flower.

Here's a breakdown:

Pumpkin Growth Stage 1: Seed To Seed Sprouts

Like most other fruits, pumpkins begin as a seed.

All you have to do is plant the pale yellow, triangular-looking seed in warm soil and wait a week or two for the leaves to appear.

Seeds will germinate within 7 to 10 days of planting, and sprouts will emerge from the soil.

Read more: Where to buy pumpkin seeds online

Pumpkin Growth Stage 2: Sprouts Grow

Growing young and green pumpkin seedlings in pots

Over two weeks, two green leaf-like growths will appear from the ground.

These sprouts will eventually develop into mature pumpkin plants.

Pumpkin Growth Stage 3: Leaves Emerge

After about a week after the little pumpkin sprouts break from the earth, they start growing leaves. Those leaves continue to grow for a few more weeks.

Leaves can grow as much as 6 inches a day in optimal conditions.

Pumpkin Growth Stage 4: Vines Grow

After the growth of leaves, the pumpkin plant begins to grow. The vines keep growing taller.

Around 8 to 10 weeks after planting, flowers will start to bloom. Male flowers usually appear first, followed by female flowers.

If the weather is right and the pumpkin vines receive the necessary water, they can grow as long as 6 inches daily.

Are you interested in managing those long vines?

Here's a guide on How to control pumpkin vines.]

Pumpkin Growth Stage 5: Pumpkin Flower

Pumpkin FLower bloom, What Are Pumpkin Plant Flowers Like

The male flowers bloom first, and the female ones emerge about ten days after. Both are necessary for pollination to occur.

Read more: What are pumpkin flowers like?

From Flowering to Harvesting: Pumpkin Growth Post-Flowering

How long does it take for a pumpkin to grow after flowering?

Pumpkin Growth Stage 6: Green Pumpkin

After the female flowers close, a green pumpkin starts taking shape. Once you see them, you'll know that the pollination process was successful.

Pumpkin Growth Stage 7: A Transforming Colorful Pumpkin

Over the weeks, the green pumpkin keeps increasing in size. Once they reach their final size, the color starts transforming.

Pumpkin Growth Stage 8: The Harvest-Ready Pumpkin

Big orange pumpkins growing in the garden

Celebrate, for it's pumpkin time! As the pumpkin ripens, the supporting vines adopt a brown hue. This is nature's nod, signaling it's time to harvest.

Whether for a delightful dish or crafting the iconic Jack-o'-lantern, your pumpkin awaits its purpose.

For culinary explorers, dive into this curated list of pumpkin recipes! Explore these delightful recipes!

Read more: When and how to harvest your pumpkins.

Remember, nurturing a pumpkin demands patience. From sowing to savoring, the journey spans approximately 90 to 120 days.

Growing Pumpkins: A Step By Step Planting Guide

Step 1: Seed Starting Indoors

Begin by planting your pumpkin seeds indoors, targeting 2-4 weeks before the expected last spring frost.

Pro tip: Use biodegradable pots.

They reduce the risk of root disturbance during transplantation.

Click Here To Buy This Variety Pack Of Seeds On Amazon

Step 2: Proper Seed Care

Seeds thrive with proper care.

Ensure they receive ample sunlight and water. For optimal germination, maintain an indoor temperature of about 70ºF.

Step 3: Timing Is Key

Monitor the weather closely.

Wait for the final frost to pass and ensure the soil has warmed up before transplanting.

Step 4: Choose The Right Location

Your garden's sunniest spot, boasting well-drained, fertile soil, should be reserved for your pumpkins.

Remember, these plants need room to spread out, so account for space and plan accordingly.

Step 5: Soil Preparation

A good yield stems from a well-prepared bed. Dig deep, around 8-12 inches (20-30 cm), and fortify your soil with either compost or aged manure.

Structure-wise, consider small mounds. They should be around 4-6 feet (1.2-1.8 meters) apart, ready to embrace your seedlings.

Click Here To Buy Fertilizing Manure On Amazon

Step 6: Moving Day for Seedlings

The big move. Gently coax the seedlings out of their pots.

If you’ve opted for biodegradable pots, it's even easier – they can be planted directly into the ground.

As you nestle each seedling into its designated mound, ensure the roots are buried beneath the soil.

Step 7: Water Thoroughly

Post-transplantation, a generous splash of water will help in settling the soil.

This provides the necessary hydration but also aids in reducing the shock of transplantation for the seedlings.

Step 8: Moving Day for Seedlings

Watch the vines sprout from the seedlings over the next few weeks.

Trim any unwanted vines, but be cautious around the roots.

Feed your pumpkins with necessary nutrients and guard against pests as they grow.

Factors Influencing Pumpkin Growth Duration

Every pumpkin cultivator knows the journey begins at planting. However, the progression from seed to ripe pumpkin is influenced by multiple factors.

Initial Planting and Transplantation

For pumpkins, it's all about the right timing. Initiate your pumpkin-growing adventure by planting seeds indoors 2 to 4 weeks before the last expected spring frost.

For those in northern regions, aim to have your seedlings in the ground by the end of May to capitalize on the growing season.

In the south, you can start your planting closer to July.

As soon as the soil warms and there's no more risk of frost, you can move your pumpkin seedlings outside.

Pollination and Fruit Formation

Appearance of Flowers:

Male flowers typically emerge about 8 to 9 weeks after planting the seeds. The female flowers appear a few days later.

If pollination is successful, you'll see pumpkins forming roughly a week later.

Fruit Maturation:

How long for the Fruit to Appear after Flowering?

After pollination, pumpkins require around 45 to 55 days to mature fully.

Their color will shift as they grow, indicating the variety you planted. When the stems wither and brown, it's time to harvest.

Post-Harvest Procedures

Once you've harvested your pumpkins, storing them correctly is essential.

Initially, please place them in a warm area with a temperature of around 77ºF for about two weeks.

This helps to cure the pumpkin, extending its longevity. After that, move them to a cool, dry place with temperatures between 50ºF to 53.6ºF.

Pumpkins in the field, How to Grow Pumpkins in Florida

Key Components in Pumpkin Growth

The journey of a pumpkin from seed to harvest isn't solely about time; it's about the conditions provided.

Consider the following:

Site Selection

Before planting, it's crucial to pick a suitable spot.

The time it takes to choose and prepare the ideal site can influence the overall growth timeline.

Planting Techniques

Direct sowing is often recommended. In optimal conditions, expect vines to sprout in 7 to 10 days.

Trimming excessive vines is okay as they grow, ensuring you don't disturb the root system.

The time for a pumpkin to start showing after planting seed varies depending on the quality of the process.

Top-notch seeds and rich manure are the way for those looking for the best start.

Remember, when pumpkins start growing, it largely hinges on the care and conditions they're given.

Space Requirements for Pumpkins

Pumpkins flourish best with enough elbow room, ensuring they thrive and yield a generous harvest.

Different types of pumpkins, be they vining, semi-bush, miniature, or bush, have unique space requirements.

Vining Pumpkins:

  • Plant seeds 1 inch deep.
  • Put 4-5 seeds per hill.
  • Keep 5-6 feet between hills and space rows 10-15 feet apart.
  • Once they grow, thin down to 2-3 strong plants per hill.

Semi-bush Pumpkins:

  • Plant seeds 1 inch deep.
  • Position 4-5 seeds on each hill.
  • Allow for 4 feet between hills and 8 feet between rows.
  • Thin to the best two plants per hill.

Miniature Pumpkins:

  • Plant seeds 1 inch deep.
  • Sow 2-3 seeds every 2 feet in rows spaced 6-8 feet apart.
  • After the first true leaves appear, thin to one plant every 2 feet.

Bush Pumpkins:

  • Plant seeds 1 inch deep.
  • Sow 1-2 seeds per foot of a row.
  • Thin to one plant every 3 feet, spacing rows 4-6 feet apart.

Remember, granting pumpkins their space needs ensures healthier plants, bigger fruits, and a bountiful harvest.

[Take a look at this article on proper pumpkin spacing.]

Final Thoughts On Starting Your Pumpkin Garden

Are you about to plant pumpkins in your garden?

Great choice!

Pumpkins look good and taste even better.

To grow them well, think about when and where to plant. We've given you tips from starting seeds to picking pumpkins.

We've shared the steps from planting the seed to picking a big pumpkin.

Remember the tips in this article when you start growing your own pumpkins.

With a little effort, you'll have great pumpkins in your garden. Good luck and have fun gardening!

Looking for different pumpkin types? Check our mega list of 73 types of pumpkins.

How Long Does It Take to Grow a Pumpkin?


  1. Samuel of Mityana Uganda(East-Africa). I am starting to grow on a small plot here in Uganda and if the project comes out well, i will teach others
    Thank you for teaching me

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