Senecio olympicus Care
Senecio olympicus
A mountain plant with silvery leaves endemic only to the high altitudes of Uludağ that likes cool, well-drained soil. Growing it in Izmir's hot climate is almost impossible; it can only be attempted by experts, with special conditions that keep the roots cool and protection from winter wetness.
Monthly care calendar
Timings are for a temperate Northern Hemisphere climate. In warmer areas tasks start earlier, in colder areas later; in the Southern Hemisphere shift them by six months.
- General care: Most critical care: protect the plant from excessive winter rain (for example, by placing a glass pane over it). Spread plenty of gravel around and beneath the plant to prevent crown (center) rot.
- Pests & diseases: Crown and root rot is the biggest risk.
- Frost risk: In hard and prolonged frosts, cover the root zone with mulch or dry leaves; also protect young plants. It is damaged below about -15 °C.
- Pruning: Remove only the dried parts left over from last season.
- General care: Continue protecting it from the winter rains.
- Pests & diseases: Check for signs of rot.
- Frost risk: In hard and prolonged frosts, cover the root zone with mulch or dry leaves; also protect young plants. It is damaged below about -15 °C.
- Watering: If the soil dries out completely, water very lightly.
- General care: The silvery leaf rosette begins to grow.
- Pests & diseases: Snails can damage new growth.
- Frost risk: Late frosts can damage young shoots.
- Watering: When the soil has dried out completely, water deeply but infrequently (every 2-3 weeks); reduce if there is rain.
- Plant protection: Check for aphids.
- General care: It should be in a place protected from the afternoon sun.
- Watering: Continue watering, every 2-3 weeks.
- Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
- General care: Drainage is vital for this plant. In heavy, water-retaining soil, plant on a mound or bed raised 20-30 cm, and keep the root collar above the surrounding soil level.
- Watering: In a long drought, water deeply once a month.
- Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
- Plant protection: Check for spider mites.
- General care: It opens yellow, daisy-like flowers. Spread light-colored gravel mulch around it to keep the roots cool.
- Pests & diseases: Signs of heat stress (wilting of the leaves) may begin.
- Frost risk: Protect from the scorching sun.
- Watering: In midsummer, deep watering every 15-20 days is enough. Established plants (over 2 years old) do not need watering in most years. Water so that the soil is wetted to a depth of 10-15 cm from the surface.
- Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
- Plant protection: A plant under stress becomes open to spider mites and other pests.
- Pests & diseases: It is very likely to die from rot or drying, starting from the center.
- Frost risk: Protect from the scorching sun.
- Watering: In midsummer, deep watering every 15-20 days is enough. Established plants (over 2 years old) do not need watering in most years. Water so that the soil is wetted to a depth of 10-15 cm from the surface.
- Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
- General care: Continue shading and cooling efforts.
- Pests & diseases: Death of the plant is the most likely outcome.
- Frost risk: Protect from the scorching sun.
- Watering: In a long drought, water deeply once a month.
- Pruning: Regularly remove spent flowers at the base; this encourages new flowering.
- General care: The plant prepares for its rest period.
- Pests & diseases: Assess the summer damage.
- Watering: Stop watering as temperatures fall.
- Pruning: Clear all dead leaves and stalks.
- General care: Prepare the plant to be protected from winter rain.
- General care: In winter rains, make sure water does not pool in the root zone; for this plant, drainage is more critical than irrigation.
- Pests & diseases: Crown rot is the biggest danger.
- General care: Continue protecting it from the winter rains.
- Pests & diseases: Watch for the risk of crown rot.
- Frost risk: In hard and prolonged frosts, cover the root zone with mulch or dry leaves; also protect young plants. It is damaged below about -15 °C.
The care advice on this page is general and for information only; it is not professional advice. Plant age, soil and your garden’s microclimate can change the outcome. Plant protection products are mentioned only as general information; they are regulated, and the choice, dose and timing must be decided by a qualified professional under local rules. Consult a landscape architect or agronomist before applying.
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