Hypericum ternatum Care
Hypericum ternatum
An elegant St. John's wort species endemic to Southwestern Anatolia, distinguished by its leaves arranged in threes. In addition to well-drained and calcareous soils, because it grows on rocky outcrops in forests it prefers bright or partially shaded areas protected from afternoon sun.
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: Make sure drainage is excellent for the winter rains.
- Pests & diseases: The greatest risk is root rot. Frost protection is not needed; it is adapted to the local climate.
- Pruning: Cut all of last year's dry stalks close to ground level before new growth begins.
- General care: Clear weeds.
- Watering: Not required, natural rainfall is sufficient.
- Fertilizing: Not required, it prefers poor soils; do not overfeed.
- Pruning: Prune just before the shoots break. Because flowers form on this year's new shoots, hard pruning increases flowering.
- General care: Observe the new shoots.
- Watering: If there is no rainfall, water every 15 days.
- Watering: If there is no rainfall, water once a week.
- General care: Spread a 5-7 cm layer of mulch over the root zone; it retains soil moisture and suppresses weeds. Do not pile mulch against the trunk.
- Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. Water around the roots to a depth of 15-20 cm.
- General care: Flowering begins.
- Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. Water around the roots to a depth of 15-20 cm.
- Pruning: If needed, lightly trim after flowers have finished.
- Pests & diseases: Avoid overwatering.
- Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. Water around the roots to a depth of 15-20 cm.
- Watering: If there is no rainfall, water once a week.
- Watering: If there is no rainfall, water every 15 days.
- Pruning: You can cut dry stems now if needed.
- Pruning: Cut all the dry stalks for winter cleanup.
- General care: Collect fallen leaves; many disease agents and pests overwinter under leaves.
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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