Genista parnassica Care
Genista parnassica
A slow-growing, cushion-forming ground-cover shrub that is extremely tolerant of drought and poor soil. It likes full sun and well-drained, gravelly 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: Keep the surrounding area clean.
- Pests & diseases: Check for dead branches. To guard against frost, protect the roots of young plants with mulch during severe frosts.
- Watering: Not required, natural rainfall is sufficient.
- General care: Clear weeds.
- Pests & diseases: Continue observing. Protect young plants from late frosts.
- Watering: If there is no rainfall, 5 L/plant every 2-3 weeks.
- Fertilizing: Not needed. This plant does not like fertilizer, so do not overfeed.
- Pruning: Not needed; wait for flowering.
- Plant protection: Watch fresh shoots for the possibility of aphids; apply neem oil if necessary.
- General care: Aerate the soil lightly.
- Pests & diseases: Check for aphids.
- Watering: If there is no rainfall, 5-10 L/plant every 2 weeks.
- General care: Do the final checks before flowering.
- Watering: Once a week, 5-10 L per plant; 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.
- Watering: In a long drought, water deeply once a month.
- Pruning: After flowering ends, lightly cut spent flowers and shoot tips to maintain its form.
- General care: Clear away pruning debris.
- 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: Prune as soon as flowering ends. Next year's flower buds form over the summer; late pruning reduces flowering.
- Plant protection: In hot and dry weather there may be a risk of spider mites; check if there is webbing or fading color on the leaves, and use a suitable miticide if necessary.
- General care: Clear weeds.
- Pests & diseases: To prevent root rot, make sure the soil dries out between waterings.
- 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.
- Plant protection: Continue checking for spider mites.
- General care: Clear weeds.
- Pests & diseases: Monitor for heat stress and watch for the risk of root rot.
- Watering: In a long drought, water deeply once a month.
- General care: For propagation from seed, seed pods can be collected.
- Watering: Once a month, 5-10 L per plant; rainfall is usually sufficient.
- General care: Clear fallen leaves.
- Pests & diseases: Against the risk of root rot, make sure drainage is good.
- Watering: Not required, natural rainfall is sufficient.
- General care: In winter precipitation, make sure water does not collect in the root zone; for this plant, drainage is more critical than watering. Collect fallen leaves; many disease agents and pests overwinter under the leaves.
- Pests & diseases: Carry out general cleaning.
- Watering: Not required, natural rainfall is sufficient.
- Plant protection: If there were problems in the previous season, dormant oil (mineral oil) can be considered.
- General care: Keep the area around the plant clean.
- Pests & diseases: Carry out general checks. There is no frost risk; it is very hardy.
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.
Want reminders for every plant in your garden? Our garden-care app with monthly task lists and frost alerts is currently available in Turkish; the English version is on the way.
Browse all plant guides