Jasmijn

Jasminum officinale

Engels: Jasmine

climberOleaceae

Jasmijn (Jasminum officinale) is a climber from the Oleaceae family that grows up to 7 meters tall. This plant thrives in full sun to partial shade and requires moderate maintenance. Blooms in summer and late summer with white flowers and attracts bees and butterflies.

Hoogte

300–700 cm

Breedte

150–300 cm

Zonligging

full sun, partial shade

Waterbehoefte

moderate

Grondsoort

loam, sandy soil

Onderhoud

moderate maintenance

Bloeitijd

summer, late summer

Bloemkleuren

white

Ecologische waarde

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Care tips

Planting

Jasmine (Jasminum officinale) thrives in full sun or partial shade, though flowering is most abundant in a sunny position sheltered from cold winds. Choose a site with well-drained loam or sandy soil; heavy clay should be improved with grit and organic matter before planting. The best planting times are March to May or September to October, avoiding waterlogged winter soil and summer drought stress. Dig a hole twice the width of the root ball and the same depth. Loosen the soil at the base and mix in a generous amount of well-rotted compost or manure. Position the plant so the top of the root ball sits level with the surrounding soil—planting too deep can lead to stem rot. Space plants 150 cm apart if you're planting more than one, or position a single specimen where it has room to spread 150–300 cm wide and climb 3–7 metres high. Backfill the hole, firming gently with your heel to eliminate air pockets, then water thoroughly. Jasmine is a vigorous twining climber and needs sturdy support from the outset: install trellis, wires, or a pergola before or immediately after planting. Tie in the main stems loosely with soft garden twine to guide growth in the right direction. Apply a 5–7 cm layer of mulch around the base, keeping it clear of the stem itself, to conserve moisture and suppress weeds. Water regularly for the first growing season until the roots are well established, especially during dry spells in spring and summer.

Pruning

Prune jasmine in late winter or early spring—February or March—before new growth begins. Pruning at this time encourages vigorous flowering shoots for the coming summer and keeps the plant within bounds without sacrificing blooms, which form on the current season's growth. Use clean, sharp secateurs or loppers for thicker stems. Start by removing any dead, damaged, or frost-blackened wood back to healthy tissue. Then take out weak, spindly growth and any stems that are crossing or rubbing, which can cause wounds and invite disease. Jasmine can become a tangled mass if left unpruned, so aim to open up the centre slightly to improve air circulation and light penetration. If your jasmine has outgrown its space or become bare at the base, you can cut back harder. Reduce the main stems by up to one-third of their length, cutting just above a healthy bud or side shoot. Older, woody stems that no longer flower well can be pruned back to within 30–60 cm of the base to stimulate fresh growth from lower down. Don't be afraid to be firm—jasmine is resilient and responds well to renovation pruning, though very hard cuts may reduce flowering slightly in the first summer. Throughout the growing season, tie in new shoots regularly to keep growth tidy and direct it where you want it. Deadheading spent flowers isn't essential but does keep the plant looking neat and may encourage a few late blooms.

Maintenance

Jasmine has moderate water needs. Water regularly during the first year to establish a deep root system, then reduce frequency once settled. In summer, water deeply during prolonged dry spells—once or twice a week is usually sufficient if there's no rain. Avoid waterlogging, especially in winter, as jasmine dislikes sitting in saturated soil. Mulch helps retain moisture and keeps roots cool in hot weather. Feed in March and April as growth resumes. Apply a balanced general-purpose fertiliser (such as blood, fish and bone) or a slow-release granular feed around the base, following packet rates. Alternatively, use a liquid tomato feed every fortnight from late spring through summer to promote flowering. Avoid high-nitrogen feeds, which encourage leafy growth at the expense of blooms. Jasmine is hardy in zone 7a and above, but in colder gardens or exposed sites it may suffer frost damage to shoot tips in harsh winters. In zone 7, consider planting in a sheltered spot against a south- or west-facing wall. Mulch the root zone in late autumn for extra insulation. Top growth may die back in severe cold but usually regenerates from the base in spring. Common pests include aphids, which cluster on soft new growth in spring and summer—hose them off or use an insecticidal soap if necessary. Jasmine is generally disease-resistant, but poor drainage or overhead watering can encourage fungal issues such as powdery mildew. Ensure good air circulation through regular pruning and avoid wetting foliage late in the day.