Garden Care Guide

Wild Service Tree Care

Sorbus torminalis

A native tree that loves sunny or partially shaded areas and well-drained soils, extremely tolerant of drought and heat. Its maple-like leaves take on magnificent colors in autumn, and its fruits are edible once ripe.

Hardy · -30 °C / -22 °F

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.

January
  • Fertilizing: Well-rotted manure or compost can be added to the soil; do not overapply.
  • Pruning: Main pruning time. Remove only dead, diseased or rubbing branches. On young trees, build a good framework structure.
  • Plant protection: Apply dormant mineral oil if needed.
  • General care: Remove unwanted root suckers.
  • Pests & diseases: Prune out branches affected by fire blight and destroy them.
February
  • Fertilizing: A balanced, slow-release NPK fertilizer can be applied. Do not overapply.
  • Pruning: While dormant, remove dry, broken, crossing and inward-growing branches so that air and light reach the inside of the crown. Minimal pruning; the natural shape should be followed. Remove only dead, broken or crossing branches. Root suckers are productive; remove unwanted ones early.
  • Plant protection: Before the buds wake up, apply a copper-based preparation (e.g. Bordeaux mixture) against fire blight and other fungal diseases.
  • General care: A suitable month for planting new seedlings.
  • Frost risk: Protect newly planted seedlings from severe frosts.
March
  • Watering: Water a newly planted specimen more often than established plants during its first year, as its root system is still shallow.
  • Fertilizing: If it was not done in February, do it now; do not overapply.
  • Plant protection: If symptoms spread and treatment is needed, consult a licensed plant-protection supplier or an agronomist. Plant protection products are regulated; follow local rules.
  • General care: Good time for planting and transplanting.
  • Pests & diseases: Check the branches and trunk for brown, fixed bumps (scale insects).
  • Frost risk: Late frosts can damage young shoots.
April
  • Watering: If there is no rainfall, water every 15 days. Water newly planted plants more often than established plants during the first year; the root system is still shallow.
  • Plant protection: Be alert for fire blight.
  • General care: Good time for planting and transplanting.
  • Pests & diseases: Fire blight may be dangerous during this period.
May
  • Watering: If there is no rainfall, water once a week.
  • Pruning: Prune branches showing fire blight symptoms.
  • Plant protection: If symptoms spread and treatment is needed, consult a licensed plant-protection supplier or an agronomist. Plant protection products are regulated; follow local rules.
  • General care: Flowering begins. Spread a 5-7 cm layer of mulch over the root zone. It conserves soil moisture and suppresses weeds. Keep the mulch away from the stem.
  • Pests & diseases: If you see black spots with yellow halos on the leaves (black spot), collect the diseased leaves and remove them from the garden; the disease overwinters in fallen leaves. Check the branches and trunk for brown, immobile bumps (scale insects).
June
  • Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. The root zone should be wetted to a depth of 30-40 cm.
  • Pruning: Prune branches showing fire blight symptoms.
  • Plant protection: If symptoms spread and treatment is needed, consult a licensed plant-protection supplier or an agronomist. Plant protection products are regulated; follow local rules.
  • General care: Flowering continues.
  • Pests & diseases: If you see black spots with yellow halos on the leaves (black spot), collect the diseased leaves and remove them from the garden; the disease overwinters in fallen leaves.
July
  • Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. The root zone should be wetted to a depth of 30-40 cm.
  • Pruning: Prune only diseased branches.
  • General care: The fruits continue to develop.
August
  • Watering: Water deeply twice a week; prefer infrequent and generous watering over small and frequent. The root zone should be wetted to a depth of 30-40 cm.
  • Pruning: Prune only diseased branches.
  • General care: The fruits continue to develop.
September
  • Watering: If there is no rainfall, water once a week.
  • Plant protection: If symptoms spread and treatment is needed, consult a licensed plant-protection supplier or an agronomist. Plant protection products are regulated; follow local rules.
  • General care: Brown, speckled fruits ripen. The leaves begin to turn yellow, orange and copper red.
  • Pests & diseases: If you see black spots with yellow halos on the leaves (black spot), collect the diseased leaves and remove them from the garden; the disease overwinters in fallen leaves.
October
  • Watering: If there is no rainfall, water every 15 days. Water newly planted plants more often than established plants during the first year; the root system is still shallow.
  • General care: Good time for planting and transplanting.
November
  • Watering: Water a newly planted specimen more often than established plants during its first year, as its root system is still shallow.
  • Plant protection: Apply a copper-based preparation after leaf fall to prevent diseases.
  • General care: Good time for planting and transplanting. Collect fallen leaves; many disease agents and pests overwinter under them.
  • Frost risk: Protect newly planted seedlings during the first winter.
December
  • Pruning: The main pruning period can begin.

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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