Water
Water regularly, especially during dry periods, allowing the soil to dry slightly between waterings. Overwatering can lead to root rot, so ensure good drainage.
In containers, aim to keep the soil consistently moist but not waterlogged.
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Hoary Ragwort (Jacobaea erucifolia) is a perennial herb with bright yellow daisy-like flowers, often found in disturbed soils and grasslands.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Prefers at least 6 hours of direct sunlight per day for best flowering.
Moderate
50% intensity
Allow soil to dry slightly between waterings. Ensure good drainage.
Well-drained, adaptable to various soil types
50% intensity
Moderate
50% intensity
Hardy in most temperate climates. Protect from extreme heat or frost.
Low
25% intensity
Generally not required; a light feed in spring is adequate.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 5/5 intensity |
| Toxic for pets | Yes 5/5 intensity |
| Edible | No |
Contains pyrrolizidine alkaloids, toxic to liver
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly, especially during dry periods, allowing the soil to dry slightly between waterings. Overwatering can lead to root rot, so ensure good drainage.
In containers, aim to keep the soil consistently moist but not waterlogged.
Prune back after flowering to encourage a tidier appearance and potentially a second bloom. Remove dead or spent flower stalks to prevent self-seeding if unwanted. Cut back perennial stems in late autumn or early spring.
Easily propagated from seed sown in autumn or early spring, either directly outdoors or in a seed tray. Division of established clumps in spring or autumn is also a simple method to increase plant numbers.
Container-grown plants typically benefit from repotting every 2-3 years in spring. Choose a pot one size larger than the current one with fresh, well-draining potting mix to provide adequate space for root growth.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Hoary Ragwort (Jacobaea erucifolia)
Where Hoary Ragwort (Jacobaea erucifolia) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Jacobaea |
| Species | Jacobaea erucifolia |
Similar in genus Jacobaea
Answers based on plant encyclopedia data
