Corn Plant Care

Zea mays subsp. mays

Updated · Sources · How we source care data

Maize, also known as corn in North American English, is a tall stout grass that produces cereal grain. The leafy stalk of the plant gives rise to male inflorescences or tassels which produce pollen, and female inflorescences called ears.

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Water

Every 7–10 days

Light

Full sun

Temp

60–86°F

Humidity

40–60%

At a glance

How do you care for Corn?

Water Corn every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–86°F (16–30°C) and 40–60% humidity. Fertilize it every 2 months during the growing season.

Where Is the Corn Native To?

Native range1 country

What Is the Corn?

Corn (Zea mays subsp. mays) belongs to the Poaceae family within the Zea genus. Corn is native to Mexico. Corn is also known as Maize, Indian Corn, Sweet Corn.

Corn displays a tall, upright growth habit, reaching up to 6 ft tall with a spread of approximately 2 ft. Corn produces tassel-like inflorescences.

Leaf size: approximately 1 inches.

How Often Should You Water a Corn?

Zea mays subsp. mays 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 Corn Need?

Corn thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Corn Prefer?

Zea mays subsp. mays grows best at temperatures of 60–86°F. Corn prefers humidity levels of 40–60%.

Temperature

60–86°F

Humidity

40–60%

What Soil Mix Works Best for a Corn?

Well-draining soil mix. Good drainage is essential for Corn to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Corn?

Feed Corn every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 2 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Corn?

Not typically grown in pots. 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 Corn?

Corn can be propagated through seeds or stem cuttings. Similar propagation techniques also apply to corn plant plant care, which shares the same genus.

Is the Corn Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Corn, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Corn?

Corn is susceptible to corn earworms, cutworms, aphids. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Corn Need?

Corn grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Corn is native to Mexico. In cooler regions, grow Corn as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Corn 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 Zea genus — compare its care with other Zea species on PlantoScan.

Zea is part of the Poaceae plant family — browse all Poaceae genera and species.

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

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Zea mays subsp. mays, family Poaceae — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Corn, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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