Appelboom

Malus domestica

Engels: Apple Tree

treeRosaceaeEetbaar

Appelboom (Malus domestica) is a edible tree from the Rosaceae family that grows up to 8 meters tall. This plant thrives in full sun and requires moderate maintenance. Blooms in spring and late spring with white, pink flowers and attracts bees and butterflies and birds.

Hoogte

300–800 cm

Breedte

300–600 cm

Zonligging

full sun

Waterbehoefte

moderate

Grondsoort

loam, clay soil

Onderhoud

moderate maintenance

Bloeitijd

spring, late spring

Bloemkleuren

white, pink

Ecologische waarde

Trekt bijen aan

🦋 Trekt vlinders aan

Trekt vogels aan

Verzorgingskalender

Taak	Jan	Feb	Mrt	Apr	Mei	Jun	Jul	Aug	Sep	Okt	Nov	Dec
🌱Planten
✂️Snoeien
💧Bemesten
🍎Oogsten

Care tips

Planting

Apple trees thrive in full sun and need at least six hours of direct sunlight daily to produce a good crop. Choose an open, sheltered site away from frost pockets, as late spring frosts can damage blossom. They prefer loam or clay soil with good drainage; avoid waterlogged ground. Before planting, dig a hole roughly twice the width of the root ball and fork over the base to break up compacted soil. Mix in well-rotted compost or manure to improve structure and fertility. Plant bare-root apple trees during their dormant period: November, December, February, or March are ideal, with late autumn and early winter often best to allow roots to establish before spring growth. Container-grown trees can go in at any time within this window, provided the ground isn't frozen or waterlogged. Position the tree so the graft union (the knobbly bulge low on the trunk) sits about 10 cm above soil level; burying it can encourage the scion to root, negating your chosen rootstock. Space trees 400 cm apart, though this varies with rootstock—dwarfing types need less, vigorous ones more. Backfill with the excavated soil, firming gently with your heel to eliminate air pockets. Water thoroughly after planting, even in wet weather, to settle soil around the roots. Drive in a sturdy stake at a 45-degree angle to avoid the root ball, and secure the trunk with a tree tie, leaving room for growth. Apply a 5–7 cm layer of well-rotted compost or bark mulch around the base, keeping it clear of the trunk to prevent rot.

Pruning

Prune apple trees during dormancy—January, February, or March—before buds break but after the harshest frosts have passed. Winter pruning encourages vigorous growth and makes the tree's structure easy to see. You'll need sharp secateurs for small branches, loppers for anything thicker than your thumb, and a pruning saw for larger limbs. Always use clean blades to reduce disease risk. Start by removing the "four Ds": dead, damaged, diseased, and crossing branches that rub and create wounds. Then focus on opening up the centre of the tree to let in light and air, which improves fruiting and reduces fungal problems like scab and mildew. For bush and standard trees, aim for a goblet shape with an open centre and well-spaced main branches. Cut back to an outward-facing bud to encourage spreading growth. Remove any vertical water shoots growing from the main branches—they rarely fruit well and crowd the canopy. On established trees, shorten the previous year's growth on main branches by about a third, cutting just above a bud. Thin out overcrowded fruiting spurs (the short, knobbly side shoots that carry blossom) if they become congested. For tip-bearing varieties, prune more lightly, as they fruit at branch ends. Young trees need formative pruning to establish a strong framework: select three to five well-spaced branches and remove competing leaders. Avoid heavy pruning in one go, as this stimulates excessive leafy growth at the expense of fruit.

Maintenance

Water apple trees regularly during their first two years to help roots establish, especially in dry spells between April and September. Established trees need moderate watering—roughly 20–30 litres per week during prolonged dry periods in spring and summer, when fruit is swelling. Reduce watering in autumn and stop over winter. Mulch annually in late winter with well-rotted compost or manure, keeping it clear of the trunk, to suppress weeds, retain moisture, and feed the soil. Feed in February or March with a balanced general fertiliser (such as Growmore or blood, fish, and bone) scattered around the root zone and lightly forked in. In June, apply a high-potash feed (tomato fertiliser works well) to support fruit development. Avoid overfeeding with nitrogen, which promotes leafy growth and reduces fruiting. Apple trees are prone to several pests and diseases. Codling moth caterpillars tunnel into fruit from June onwards; hang pheromone traps in May to catch males. Aphids cluster on new growth in spring—squash by hand or spray with soapy water. Apple scab causes dark, corky patches on fruit and leaves; rake up and destroy fallen leaves in autumn to break the cycle. Powdery mildew thrives in dry conditions; water well and prune out affected shoots. Canker appears as sunken, flaking bark, especially on poorly drained sites—cut out infected wood back to healthy tissue. In colder zones, apple trees are fully hardy and need no winter protection. Thin fruit in June if the crop is heavy, leaving one apple per cluster, to improve size and prevent branches snapping.