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How to Grow Pumpkin

Pumpkin (Cucurbita maxima)

Ready to grow Pumpkin?

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πŸ› οΈ Supplies You'll Need

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Find Your Pumpkin Planting Dates

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🌿 Plant Overview

Scientific Name Cucurbita maxima
Category vegetable
Type Vine
Days to Maturity 100 days
Starting Method Direct Sow

β˜€οΈ Growing Requirements

β˜€οΈ

Sun

Full Sun (6-8 hours)

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Water

Regular (1 inch/week)

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Spacing

60" apart

🌱

Depth

1" deep

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Height

12-24"

🌱

Germination

5-10 days

Ready to Grow Pumpkin?

Find quality seeds from trusted suppliers.

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🀝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato
See the full companion planting guide for Pumpkin β†’

🌾 Seed Saving Guide

🟑 Moderate
βœ… Open-pollinated β€” seeds grow true to parent

When to Harvest Seed

Allow fruit to fully mature and cure β€” ripe pumpkins have the most viable seeds.

Processing

Scoop seeds from mature pumpkin, rinse off stringy flesh, spread flat to dry for 2 weeks.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Pumpkins cross freely with squash of the same species. Hand-pollinate in the morning for pure seed.

Seed Storage Supplies

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Raised Bed Planting Guides

A 4Γ—8 bed fits 1 plant of Pumpkin. See plant counts, spacing grids, and companion pairings for every bed size β†’

Pumpkin Planting Calendar by Zone

Pumpkin Planting Calendar by State

Other Plants

Frequently Asked Questions

When should I plant Pumpkin? +

Sow Pumpkin seeds directly in the garden 6 weeks before your last frost date. Use the search on this page to find exact dates for your location.

How long does Pumpkin take to grow? +

Pumpkin typically matures in about 100 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Pumpkin indoors or direct sow? +

Pumpkin does best when direct sown outdoors. Plant seeds directly in the garden at the appropriate time based on your local frost dates.

How much sun does Pumpkin need? +

Pumpkin requires full sun (6-8 hours) to thrive.

How far apart should I plant Pumpkin? +

Space Pumpkin plants 60 inches apart to allow adequate airflow and root development.

How much water does Pumpkin need? +

Pumpkin has regular (1 inch/week) water needs. Consistent moisture is important especially during germination and early growth.

Can you save seeds from Pumpkin? +

Yes β€” seed saving difficulty for Pumpkin is rated moderate. Allow fruit to fully mature and cure β€” ripe pumpkins have the most viable seeds. Scoop seeds from mature pumpkin, rinse off stringy flesh, spread flat to dry for 2 weeks.

How long do Pumpkin seeds last in storage? +

Properly dried and stored Pumpkin seeds remain viable for up to 4 years. Store in a cool, dark, dry location in an airtight container with a silica gel packet for best results.

Are Pumpkin seeds open-pollinated? +

Yes β€” Pumpkin is open-pollinated, meaning seeds saved from your harvest will grow plants true to the parent variety. This makes it an excellent candidate for building a self-sustaining garden.

About Pumpkin

Classic fall harvest crop for pies, carving, and decoration. Needs lots of space to sprawl.

Expect your Pumpkin to be ready for harvest in approximately 100 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.