Osmanthus

Osmanthus burkwoodii

shrubOleaceaeWintergroen

Osmanthus (Osmanthus burkwoodii) is a evergreen shrub from the Oleaceae family that grows up to 300cm tall. This plant thrives in full sun to partial shade and requires low maintenance. Blooms in spring with white flowers and attracts bees.

Hoogte

150–300 cm

Breedte

100–200 cm

Zonligging

full sun, partial shade

Waterbehoefte

moderate

Grondsoort

loam, clay soil, sandy soil

Onderhoud

low maintenance

Bloeitijd

spring

Bloemkleuren

white

Ecologische waarde

Trekt bijen aan

Verzorgingskalender

Taak	Jan	Feb	Mrt	Apr	Mei	Jun	Jul	Aug	Sep	Okt	Nov	Dec
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Care tips

Planting

Osmanthus burkwoodii thrives in full sun or partial shade, making it adaptable to most garden positions. It tolerates a wide range of soil types—loam, clay, and sandy soils—provided drainage is reasonable. Avoid waterlogged ground, as this can lead to root problems. Before planting, dig a hole roughly twice the width of the root ball and fork over the base to encourage roots to establish downwards. Mix in some well-rotted compost or organic matter if your soil is particularly heavy clay or very light sand, but this shrub is generally unfussy. Plant in March, April, September, or October when the soil is workable and temperatures are mild. Autumn planting is often ideal because the shrub can establish roots over winter before the growing season, but spring planting works equally well if you keep on top of watering during dry spells. Set the plant so the top of the root ball sits level with the surrounding soil—planting too deep can suffocate the roots. Space plants 50 cm apart if you're creating a hedge or screen; for specimen planting, allow at least 100 cm to accommodate the mature spread of 100–200 cm. After planting, water thoroughly to settle the soil around the roots and eliminate air pockets. Apply a 5–7 cm layer of mulch (bark chips, leaf mould, or well-rotted compost) around the base, keeping it a few centimetres clear of the stem to prevent rot. Water regularly during the first growing season—once or twice a week in dry weather—until the shrub is clearly putting on new growth and the roots have spread into the surrounding soil.

Pruning

Osmanthus burkwoodii requires very little pruning to maintain its naturally rounded, dense shape. It flowers in spring on growth made the previous year, so any pruning should be done in May or June, immediately after flowering finishes. Pruning later in summer or autumn will remove the buds that would have flowered the following spring, so timing matters if you want to enjoy the fragrant white blooms. Use clean, sharp secateurs or hedging shears depending on the size of the job. For light maintenance, simply trim back any shoots that spoil the overall shape or extend beyond the desired outline. You can also remove any dead, damaged, or crossing branches to keep the centre of the shrub open and healthy. Osmanthus burkwoodii responds well to clipping if you're growing it as a formal hedge; shear lightly after flowering to maintain a neat profile, but avoid cutting back into very old, bare wood as regrowth can be slow. If your shrub has become overgrown or leggy, you can renovate it by cutting back harder—up to one-third of the overall growth—in May or June. Spread major renovation over two or three years if the plant is very old, tackling one-third of the oldest stems each year to avoid shocking the shrub. Feed and mulch well after hard pruning to encourage strong new growth. If you don't prune at all, osmanthus will still grow happily, but it may eventually become too large for its space and lose some of its dense, tidy habit.

Maintenance

Once established, Osmanthus burkwoodii has moderate water needs and tolerates short dry spells, but it performs best with consistent moisture during prolonged dry weather in spring and summer. Water deeply every week or two if rainfall is scarce, particularly in the first two years. In autumn and winter, natural rainfall is usually sufficient. Avoid overwatering or allowing the roots to sit in saturated soil, especially on heavy clay. Feed in March or April as growth resumes. Apply a balanced slow-release shrub fertiliser (such as blood, fish and bone or a general-purpose granular feed) around the base at the rate recommended on the packet, then water in if the soil is dry. A second, lighter feed in late April can be beneficial on poor soils, but osmanthus is not a heavy feeder and will grow well without excessive fertilisation. Top up the mulch layer each spring to suppress weeds, conserve moisture, and gradually improve soil structure as it breaks down. This shrub is evergreen and fully hardy in zones 6a–8b, so it needs no special winter protection in temperate Europe. In very cold or exposed gardens, a temporary windbreak of hessian can prevent foliage scorch during harsh winters, but this is rarely necessary. Pests and diseases are uncommon. Occasionally you may see scale insects on the stems or undersides of leaves; treat with a horticultural soap or oil in late spring. Leaf spot can occur in very wet conditions but is seldom serious—remove and bin affected leaves and improve air circulation if needed.