helloplants.org

Seaside Ragwort
Senecio pseudoarnica

Family: Asteraceae or Compositae


What it is like

Senecio pseudoarnica is a PERENNIAL growing to 0.5 m (1ft 8in). See above for USDA hardiness. It is hardy to UK zone 3. It is in flower from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil. The plant can tolerate maritime exposure.

Height (m): 0.5


Where it is found

Shingle by the sea.

E. Asia - China, Japan, Korea.

Conservation Status:

Countries/locations it is found in


How it is used

Food

Rating: 1

The fleshy stems and young leaves - cooked. Only the young plant should be used and it should be cooked. Some caution is advised, see the notes above on toxicity.

Medicine

Rating: 1

A poultice of the leaves has been used to drain cuts and boils.

Other

Rating:


How it is grown

Succeeds in a sunny position in most well-drained moderately fertile soils. Prefers a sandy soil. Judging by its native habitat, this plant should tolerate maritime exposure. Hardy to about -15°c.

Propagating it: Seed - sow spring in a greenhouse and only just cover the seed. Make sure the compost does not dry out. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in early summer if they have grown sufficiently. Otherwise, grow them on in the greenhouse or cold frame for their first winter and plant them out the following year after the last expected frosts. Division in spring. Root cuttings in early spring.

Best place to grow:

Habit: Perennial

Hardiness:

Growth:

Soil: Light (sandy), medium

Shade: No shade

Moisture: Moist


Things to keep in mind

Although no mention of toxicity has been seen for this species, it belongs to a genus that contains a number of plants with a cumulative poisonous effect on the liver. Some caution is advised.


Its other names

Local names

Synonyms

replaced synonym:Asteraceae Arnica maritima. Senecio pseudo-arnica