Water
Water regularly to keep the soil consistently moist, but avoid waterlogging. Reduce watering in cooler months.
Also known as Bulbless Buttercup · Canton Buttercup · Downy Buttercup
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Ranunculus sardous, the Hairy Buttercup, is a low-growing annual herb with bright yellow flowers, often found in disturbed soils and damp meadows.
At-a-glance light, water, soil, and growing conditions from plant data
Prefers full sun to partial shade.
80% intensity
Needs at least 6 hours of direct sunlight daily.
Keep soil consistently moist.
70% intensity
Water thoroughly when the top inch of soil feels dry.
Tolerates a wide range of soils, but prefers moist, well-drained, fertile loam. Adaptable to clay and sandy soils.
50% intensity
Grows best in moderate temperatures.
60% intensity
Ideal range is 15-25 °C.
Outdoor
50% intensity
Generally not required.
20% intensity
Apply balanced liquid fertilizer once in spring if growth is weak.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 3/5 intensity |
| Toxic for pets | Yes 4/5 intensity |
| Edible | No |
Contains protoanemonin, which can cause skin irritation and gastrointestinal upset if ingested. All parts of the plant are toxic.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly to keep the soil consistently moist, but avoid waterlogging. Reduce watering in cooler months.
No specific pruning is required. Deadheading can prevent self-seeding if desired, but this is often unnecessary for annuals.
Easily grown from seed sown directly outdoors in early spring or autumn. Can also be propagated by division of clumps in spring.
Not applicable as it is an annual plant that typically completes its life cycle within one growing season.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Hairy Buttercup (Ranunculus sardous)
Where Hairy Buttercup (Ranunculus sardous) 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 sardous |
Similar in genus Ranunculus
Answers based on plant encyclopedia data
