Iodanthus pinnatifidus Plant Care

Iodanthus pinnatifidus Steud.

Updated · Sources · How we source care data

Iodanthus pinnatifidus, commonly known as purplerocket, is a species of flowering plant in the mustard family. It is monotypic, with no other species in the genus Iodanthus.

🌱Herbs
Water

Every 5–7 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–60%

At a glance

How do you care for Iodanthus pinnatifidus?

Water Iodanthus pinnatifidus every 5–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

What Is the Iodanthus pinnatifidus?

Iodanthus pinnatifidus (Iodanthus pinnatifidus) belongs to the Brassicaceae family within the Iodanthus genus.

Iodanthus pinnatifidus displays an upright, branching perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Iodanthus pinnatifidus produces small clusters of white, pink, or purple flowers.

Leaf size: approximately 2 inches.

How Often Should You Water a Iodanthus pinnatifidus?

Iodanthus pinnatifidus requires watering every 5–7 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 5–7 days

Let soil partially dry between waterings

What Light Does the Iodanthus pinnatifidus Need?

Iodanthus pinnatifidus thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Iodanthus pinnatifidus Prefer?

Iodanthus pinnatifidus grows best at temperatures of 50–80°F. Iodanthus pinnatifidus prefers humidity levels of 40–60%.

Temperature

50–80°F

Humidity

40–60%

What Soil Mix Works Best for a Iodanthus pinnatifidus?

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Iodanthus pinnatifidus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Iodanthus pinnatifidus?

Feed Iodanthus pinnatifidus every 6 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 6 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 Iodanthus pinnatifidus?

Repot every 2-3 years in early spring. 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 Iodanthus pinnatifidus?

Iodanthus pinnatifidus can be propagated through seeds, division of root ball.

Is the Iodanthus pinnatifidus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Iodanthus pinnatifidus, 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 Iodanthus pinnatifidus?

Iodanthus pinnatifidus is susceptible to aphids, cabbage worms, flea beetles. 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 Iodanthus pinnatifidus Need?

Iodanthus pinnatifidus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Iodanthus pinnatifidus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Iodanthus pinnatifidus 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 Iodanthus genus — compare its care with other Iodanthus species on PlantoScan.

Iodanthus is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.

Iodanthus pinnatifidus 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: Iodanthus pinnatifidus Steud., family Brassicaceae (first published in Nomencl. Bot. , ed. 2, 1: 813 (1840)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Iodanthus pinnatifidus, 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 12a, 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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