Acantholimon acerosum Care
Acantholimon acerosum
A cushion-forming ground cover that loves full sun and is very drought tolerant. It prefers very well-drained, chalky and poor soil; it is ideal for rock gardens and dry landscapes.
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.
- Watering: Not required, natural rainfall is sufficient.
- General care: Check drainage and prevent water from pooling.
- Pests & diseases: Make sure the soil stays dry against root rot.
- Watering: Not required, natural rainfall is sufficient.
- General care: Remove the weeds around it by hand.
- Pests & diseases: Make sure the soil stays dry against root rot.
- Watering: If it turns very dry, 1-2 L/plant every 15 days; the rainfall is sufficient.
- Pruning: Remove only branches that froze or dried out in winter, if there are any.
- General care: Weed clearing.
- Pests & diseases: Monitor if aphids are seen only rarely.
- Watering: 1-2 times a month (when the soil is completely dry), 2-3 L per plant.
- Fertilizing: Optional: one teaspoon per plant of a very slow-release, low-NPK fertilizer (e.g., 5-10-10) can be given; do not overapply.
- General care: Weed clearing.
- Pests & diseases: Continue observing.
- Watering: Once a week, 2-3 L per plant when the soil is completely dry; reduce if it rains.
- 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.
- Pests & diseases: Avoid overwatering to prevent root rot.
- Watering: In a long drought, water deeply once a month.
- General care: During the flowering period, do not disturb it other than watering.
- Pests & diseases: Check for spider mites in hot, dry weather.
- 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 the area around the roots to a depth of 15-20 cm.
- General care: It needs no care other than watering.
- Pests & diseases: Plants may become stressed during extreme heat; regular but light watering is important.
- 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 the area around the roots to a depth of 15-20 cm.
- Pruning: After flowering, you can clear away the drying flower stalks for aesthetic purposes.
- General care: If you want to collect seeds, keep the flower heads that are drying.
- Pests & diseases: Avoid overwatering to prevent root rot.
- Watering: In a long drought, water deeply once a month.
- Pruning: Clearing the drying flower stalks can be completed.
- General care: You can sow seeds for autumn sowing.
- Watering: 1-2 times a month, only if the soil is completely dry: 2-3 L per plant; not needed once rains have started.
- General care: Clear dry leaves from around it so it can get air.
- Pests & diseases: In humid weather, check the area around the plant for the risk of fungus.
- Watering: Not required, natural rainfall is sufficient.
- 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: Root rot is the biggest risk; make sure the soil does not stay constantly wet.
- Watering: Not required, natural rainfall is sufficient.
- General care: Evergreen leaves continue to lose water in winter. Water thoroughly once before the soil freezes.
- Pests & diseases: Make sure the soil does not hold water against root rot.
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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