Thacla natans Plant Care
Thacla natans (Pall.) Deyl & Soják
Updated · Sources · How we source care data
Caltha natans is a species of flowering plant in the buttercup family. It goes by the common name floating marsh marigold.
Every 5–7 days
Partial shade to full sun
50–75°F
40–70%
At a glance
How do you care for Thacla natans?
Water Thacla natans every 5–7 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 50–75°F (10–24°C) and 40–70% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
What Is the Thacla natans?
Thacla natans (Thacla natans) belongs to the Ranunculaceae family within the Thacla genus.
Thacla natans displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Thacla natans produces showy, colorful blooms in shades of blue, purple, or white.
Leaf size: approximately 4 inches.
How Often Should You Water a Thacla natans?
Thacla natans 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 Thacla natans Need?
Thacla natans thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Thacla natans Prefer?
Thacla natans grows best at temperatures of 50–75°F. Thacla natans prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Thacla natans?
Rich, well-draining loamy soil with added organic matter. Good drainage is essential for Thacla natans to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Thacla natans?
Feed Thacla natans 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 Thacla natans?
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 Thacla natans?
Thacla natans can be propagated through division, seeds.
Is the Thacla natans Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Mildly toxic if ingested, can cause skin irritation
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 Thacla natans?
Thacla natans is susceptible to aphids, slugs, snails. 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 Thacla natans Need?
Thacla natans grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Thacla natans as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Thacla natans 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 Thacla genus — compare its care with other Thacla species on PlantoScan.
Thacla is part of the Ranunculaceae plant family — browse all Ranunculaceae genera and species.
Thacla natans 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: Thacla natans (Pall.) Deyl & Soják, family Ranunculaceae (first published in Sborn. Nár. Mus. v Praze, Rada B, Prír. Vedy 26: 31 (1970)) — World Flora Online record, IPNI name record.
- Pet toxicity: Thacla natans is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. 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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