Care Disclaimer: Plant care recommendations are general guidelines based on common growing conditions. Individual results may vary based on your local environment, climate, and care routine. If your plant is toxic, keep it away from children and pets, and consult a veterinarian if accidental ingestion occurs.
1.Jacobaea Maritima — Overview
Jacobaea maritima, commonly known as Silver Ragwort or Dusty Miller, is a striking ornamental plant. It belongs to the Asteraceae family. It is native to the Mediterranean basin, where it thrives in coastal areas and dry, rocky soils. This reflects its drought-tolerant nature. This short-lived perennial is frequently grown as an annual in cooler climates because it is sensitive to frost.
Its most distinctive feature is its silvery-white foliage. The foliage is deeply lobed or pinnatifid, which creates a finely dissected appearance. A dense, woolly layer of fine, matted hairs covers the leaves. This gives them a soft, felt-like texture and a brilliant reflective quality. The plant produces small, daisy-like yellow flowers in summer.
However, gardeners often prune these flowers to keep the plant's compact form and emphasize its highly valued texture and color contrast. Jacobaea maritima usually forms a mounding habit. It reaches about 1 to 2 feet in height and spread. Its robust nature and tolerance of various growing conditions, including full sun and poor soil, make it a versatile and popular choice. People use it for landscape design, container plantings, and borders, where its unique silver hue provides an excellent foil for other vibrant plants.
Trusted Scientific References
Authoritative external sources for Jacobaea Maritima:
Jacobaea Maritima should be interpreted through verified botanical identity, practical care, and responsible safety language. This recovery note adds the missing context needed for a complete profile: match light to the plant's habit, use well-drained soil, water according to season, and avoid unsupported medicinal or edible claims. For publishing, the plant can be presented as a source-backed garden plant with clear care guidance, common problem diagnosis, and conservative safety wording.
1.1.Jacobaea Maritima — Key Features
- Striking silvery — white, deeply lobed foliage.
- Dense, woolly indumentum giving a felt — like texture.
- Native to the — Native to the Mediterranean region.
- Primarily grown as an ornamental annual or short — lived perennial.
- Drought — tolerant and heat-resistant.
- Requires full sun — Requires full sun for best foliage color and compact growth.
- Contains hepatotoxic and — Contains hepatotoxic and carcinogenic pyrrolizidine alkaloids.
- Not safe for — Not safe for internal medicinal use or consumption.
- Low maintenance and — Low maintenance and adaptable to various soil types.
- Excellent for garden — Excellent for garden borders, containers, and xeriscaping.
1.2.Jacobaea Maritima — Quick Summary
- Jacobaea maritima, or Dusty Miller, is an ornamental plant.
- Valued for its silvery, woolly foliage and drought tolerance.
- Contains highly toxic pyrrolizidine alkaloids (PAs).
- Ingestion causes severe liver damage and is carcinogenic.
- Strictly for external, ornamental use only; never ingest.
- Easy to grow in full sun and well-drained soil.
2.Jacobaea Maritima — Scientific Identity
3.Jacobaea Maritima — Categories & Tags
4.Jacobaea Maritima — Appearance & Identification
5.Jacobaea Maritima — Water Requirements
- Seed Sowing — Sow seeds indoors 6-8 weeks before the last frost, or directly outdoors after frost danger has passed.
- Light Requirements — Prefers full sun exposure to maintain compact growth and vibrant silver foliage; partial shade can lead to leggy plants.
- Soil Preferences — Thrives in well-drained soil; tolerates various soil types, including sandy or rocky, but good drainage is crucial.
- Watering — Drought-tolerant once established; water sparingly, allowing soil to dry out between waterings to prevent root rot.
- Fertilization — Light feeders; generally requires minimal fertilization, especially in good garden soil; may benefit from compost in poor soils.
- Pruning — Optional; remove yellowing leaves or flower stalks to encourage denser foliage and maintain a compact shape.
- Propagation — Easily propagated from stem cuttings in spring; dip cuttings in rooting hormone for better success.
- Hardiness — Grown as an annual in most regions; perennial in USDA Zones 8-11, sometimes overwintering in Zone 5 or 4 with protection.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
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1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
3. Conservation & distribution check
Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
4. Editorial & safety review
Every entry passes an editorial pass for clarity, originality, and safety notices (toxicity, contraindications, dosage caveats) before publication.
Last reviewed:
Editorial Note: This page is for educational and plant care purposes only.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 28, 2026
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