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ragwort (Jacobaea vulgaris)

Ragwort (Jacobaea vulgaris) is a biennial or short-lived perennial herb known for its bright yellow flower clusters. It is considered a noxious weed in many regions.

Above information is sourced from Wikipedia

Sunlight

Full Sun

Watering

Moderate

Soil

Well-drained, tolerates a wide range of soil types, including poor soils.

Temperature

Moderate

Fertilizer

Low

Care Requirements

Light

Full Sun

Prefers full sun for best flowering and compact growth. Can tolerate partial shade but may become leggy.

Water

Moderate

Keep soil consistently moist during active growth, but allow the top layer to dry slightly between waterings. Reduce in winter.

Soil

Well-drained, tolerates a wide range of soil types, including poor soils.

Temperature

Moderate

Prefers average room temperatures (18-24°C) during the growing season. Can withstand cooler temperatures in winter.

Fertilizer

Low

Fertilize sparingly in spring with a balanced, diluted liquid fertilizer. Avoid over-fertilization.

Plant Overview

Plant Type

Herb

Plant Place Type

Garden

Lifespan

Perennial

Plant Height

0.3 - 1.5 m

Spread

0.3 - 1 m

Growth Rate

Fast

Dormancy

Semi-evergreen

Leaf Color

Green

Leaf Type

Lobed

Flower Size

2-3 cm diameter

Optimal Sunlight Lux

65000

Weed Status

Yes

Image Gallery

Synonyms
Senecio jacobaea L.
Taxonomy
  • kingdomPlantae
  • divisionTracheophyta
  • classMagnoliopsida
  • orderAsterales
  • familyAsteraceae
  • genusJacobaea
  • speciesJacobaea vulgaris
Toxicity

Toxic for humans

Yes

Rating: 6/5

Toxic for pets

Yes

Rating: 7/5

Edible

No

Contains pyrrolizidine alkaloids, toxic to livestock and humans, especially when ingested in large quantities or over time.

Additional Care Tips

FAQs