Pumpkin Plant Plant Care

Cucurbita maxima Duchesne

Cucurbita maxima, also known as the Hubbard squash, is distinguished by its large, lobed leaves and vibrant orange-yellow fruit. Native to South America, this plant is popular among enthusiasts for its ornamental value and edible qualities.nativeTo: South America

🥦Vegetables🍃Climbers & Vines
Water

Every 7–10 days

Light

Full sun

Temp

65–85°F

Humidity

50–70%

What Is the Pumpkin Plant?

Pumpkin Plant (Cucurbita maxima) belongs to the Cucurbitaceae family within the Cucurbita genus. Pumpkin Plant is native to South America. Pumpkin Plant is also known as Winter squash, Pumpkin, Hubbard squash.

Pumpkin Plant displays a vining, sprawling habit growth habit, reaching up to 10 inches tall with a spread of approximately 15 inches. Pumpkin Plant produces bright yellow, large, trumpet-shaped flowers.

Leaf size: approximately 0 inches.

How Often Should You Water a Pumpkin Plant?

Cucurbita maxima requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Pumpkin Plant Need?

Pumpkin Plant thrives in full sun light conditions. The optimal light range is 0–0 lux. Avoid placing Pumpkin Plant in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Full sun

0–0 lux

What Temperature and Humidity Does the Pumpkin Plant Prefer?

Cucurbita maxima grows best at temperatures between 65°F and 85°F. Pumpkin Plant prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–85°F

Humidity

50–70%

What Soil Mix Works Best for a Pumpkin Plant?

Rich, well-draining soil with plenty of organic matter. Good drainage is essential for Pumpkin Plant to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Pumpkin Plant?

Transplant seedlings once they have 2-3 true leaves. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Pumpkin Plant?

Pumpkin Plant can be propagated through seeds. Similar propagation techniques also apply to zucchini plant plant care, which shares the same genus.

Fertilizing

Every 2 months

During the growing season

Is the Pumpkin Plant Toxic to Pets and Children?

Non-Toxic

Non-toxic to humans and pets

What Pests and Diseases Affect the Pumpkin Plant?

Pumpkin Plant is susceptible to aphids, squash bugs, cucumber beetles. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

What USDA Hardiness Zone Does the Pumpkin Plant Need?

Pumpkin Plant grows outdoors in USDA Zone 3a – 11b. Native to South America, Pumpkin Plant is adapted to warm climates. In cooler regions, grow Pumpkin Plant as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 3a – 11b

Keep exploring plants

Pumpkin Plant is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Cucurbita genus — compare its care with other Cucurbita species on PlantoScan.

Pumpkin Plant thrives in bright light and direct sun — see other bright-light plants.

More Cucurbita Species

Other Cucurbita species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

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