Also known as Bulbous Buttercup · Saint Anthony's Turnip · Tuber Buttercup
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Buttercup (Ranunculus tuberosus) offers cheerful, glossy yellow flowers in spring and early summer. This perennial thrives in moist meadows and is a delightful addition t
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers bright, indirect light. Protect from intense afternoon sun in hot climates.
Moderate
50% intensity
Keep soil consistently moist, but not waterlogged. Reduce watering during dormancy.
Well-drained
50% intensity
Moderate
50% intensity
Ideal temperatures range from 15-20°C during the day and 7-10°C at night. Avoid frost.
Low
25% intensity
Feed lightly with a balanced fertilizer during the growing season. Do not fertilize during dormancy.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 4/5 intensity |
| Toxic for pets | Yes 4/5 intensity |
| Edible | No |
Contains protoanemonin, which can cause skin irritation and gastrointestinal upset if ingested.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water consistently to keep the soil evenly moist, especially during the growing season. Avoid waterlogging, as this can lead to root rot.
Reduce watering significantly during dormancy periods to prevent fungal diseases and allow the plant to rest.
Remove spent flowers (deadheading) to encourage further blooming and prevent seed formation. Trim back any yellowing or dead foliage in late summer or early autumn to maintain plant health and appearance.
This also helps prevent disease.
Propagate Ranunculus tuberosus by dividing established clumps in early spring just as new growth appears.
Alternatively, sow seeds in late autumn or early spring, providing a period of cold stratification if sowing in spring. Use a well-draining seed starting mix.
Repot Ranunculus tuberosus every 2-3 years, typically in early spring before active growth begins. Choose a pot only slightly larger than the previous one, ensuring good drainage.
Use a light, well-draining potting mix amended with compost.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Buttercup (Ranunculus tuberosus)
Where Buttercup (Ranunculus tuberosus) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Ranunculus |
| Species | Ranunculus tuberosus |
Similar in genus Ranunculus
Answers based on plant encyclopedia data
