Giant Spiderwort Plant Care

Tradescantia gigantea Rose

Updated · Sources · How we source care data

Tradescantia gigantea, called giant spiderwort or gigantic spiderwort is a perennial herb in the spiderwort family found in prairies in Texas and Louisiana.

🪴Houseplants
Water

Every 7–10 days

Light

Bright indirect light to partial shade

Temp

60–80°F

Humidity

40–60%

At a glance

How do you care for Giant Spiderwort?

Water Giant Spiderwort every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 4 months during the growing season.

Where Is the Giant Spiderwort Native To?

Native range1 country

What Is the Giant Spiderwort?

Giant Spiderwort (Tradescantia gigantea) belongs to the Commelinaceae family within the Tradescantia genus. Giant Spiderwort is native to prairies in Texas and Louisiana.

Giant Spiderwort displays a trailing or spreading perennial growth habit, reaching up to 1 ft tall with a spread of approximately 2 ft. Giant Spiderwort produces small, three-petaled flowers in various colors like purple, pink, or white.

Leaf size: approximately 3 inches.

How Often Should You Water a Giant Spiderwort?

Tradescantia gigantea 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 Giant Spiderwort Need?

Giant Spiderwort thrives in bright indirect light to partial shade. Avoid placing Giant Spiderwort in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light to partial shade

What Temperature and Humidity Does the Giant Spiderwort Prefer?

Tradescantia gigantea grows best at temperatures of 60–80°F. Giant Spiderwort prefers humidity levels of 40–60%.

Temperature

60–80°F

Humidity

40–60%

What Soil Mix Works Best for a Giant Spiderwort?

Well-draining potting mix with added perlite for aeration. Good drainage is essential for Giant Spiderwort to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Giant Spiderwort?

Feed Giant Spiderwort every 4 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 4 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 Giant Spiderwort?

Repot annually in spring to refresh soil and promote growth. 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 Giant Spiderwort?

Giant Spiderwort can be propagated through stem cuttings, division, or seeds. Similar propagation techniques also apply to wandering jew plant plant care, which shares the same genus.

Is the Giant Spiderwort Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Giant Spiderwort, 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 Giant Spiderwort?

Giant Spiderwort is susceptible to spider mites, aphids, and mealybugs. 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 Giant Spiderwort Need?

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

Hardiness Zone

Zone 13a

Keep exploring plants

Giant Spiderwort 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 Tradescantia genus — compare its care with other Tradescantia species on PlantoScan.

Tradescantia is part of the Commelinaceae plant family — browse all Commelinaceae genera and species.

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

More Tradescantia Species

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

Sources

  • Scientific name & taxonomy: Tradescantia gigantea Rose, family Commelinaceae (first published in Contr. U.S. Natl. Herb. 5: 205 (1899)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Giant Spiderwort, 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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