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what to feed portuguese laurel

Portuguese Laurel (Prunus lusitanica) is a popular choice for New Zealand gardens thanks to its glossy evergreen foliage, upright growth, and versatility as a hedge or specimen tree. To keep your Portuguese Laurel looking its vibrant best, proper feeding is essential. In this guide, we’ll cover what to feed Portuguese Laurel, when to fertilise, and how to encourage lush growth and robust health for your plant.

Prunus lusitanica

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Prunus lusitanica, commonly known as the Portuguese Laurel, is a large shrub that is widely grown across the world. It features dark red stems that bear lush, dense, and dark green leaves. The white flowers are small and fragrant, followed by small, dark purple berries. It typically grows to 5 m tall and 4 m wide and can be trimmed as necessary. Prunus lusitanica is an excellent plant for a large garden. It is commonly used as a backdrop for smaller plants, planted for screening and shelter, used for topiary, or included in a “white” garden. Landscape designers favour Portuguese Laurels for their elegance and versatility.

Portuguese Laurel (Prunus lusitanica) standard trees bordering a driveway.
  • Suited to regions:
    Subtropical, Temperate
  • Plant type:
    Shrubs
  • Height:
    5.00 m
  • Spread:
    4.00 m
  • Flowering time:
    Summer
  • Garden uses:
    Hedging, Pool areas, Screening, Topiary
  • Garden styles:
    Backyard, City & Courtyard, Cottage, Formal, Frontyard, Japanese, Modern, White
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Understanding the Nutritional Needs of Portuguese Laurel

Portuguese Laurel thrives on rich, fertile, and free-draining soil. While it’s quite hardy and adaptable, it responds best to a balanced approach to feeding. The main nutrients it needs are nitrogen (for healthy leaf growth), phosphorus (for strong root development), and potassium (to boost overall health).

What to Feed Portuguese Laurel

So, what to feed Portuguese Laurel for optimal results? The best option is a general-purpose, slow-release granular fertiliser formulated for evergreen shrubs and trees. Look for a product with a balanced NPK ratio (for example, 10-10-10), or one slightly higher in nitrogen if you want to encourage leafy growth. In early spring, apply fertiliser around the root zone, gently working it into the soil. This gives your Portuguese Laurel a boost just as new growth begins.

If your soil is especially poor or sandy, supplement with well-rotted compost or sheep pellets in autumn. Organic mulch, such as leaf mould or bark chips, will help retain moisture and add nutrients over time. Take care not to let mulch touch the stems, as this can cause rot.

Feeding Schedule and Tips

Feed Portuguese Laurel once in early spring, just as new growth emerges. If your hedge is looking lacklustre or you notice pale leaves, a second light feed in mid-summer can be beneficial. Water thoroughly after applying fertiliser, especially during dry periods. Avoid overfeeding, as excessive fertiliser can scorch the foliage and stress the plant.

Remember, Portuguese Laurel is adaptable, but consistent feeding will help keep your plant lush and deep green, improving its screening value and overall appearance.

Companion Planting and Other Prunus Varieties

Portuguese Laurel pairs beautifully with other evergreens and flowering shrubs for year-round interest. If you love the look of spring blossom, explore other Prunus varieties such as Prunus Accolade, Prunus Amanogawa, Prunus Awanui, Prunus Falling Snow, and Prunus Felix Jury. These trees also benefit from similar feeding programmes.

For mixed borders, consider combining Portuguese Laurel with the likes of Erica 'Melanthera Improved', Azalea Red Shank, Camellia 'Winelight', Rhododendron Vireya Saxon Blush, or Rhododendron 'Vulcan' to create stunning seasonal displays and vibrant foliage combinations.

Summary

Knowing what to feed Portuguese Laurel is the first step to ensuring your hedge or tree remains dense, healthy, and beautiful for years to come. Choose a balanced fertiliser, enrich your soil with organic matter, and feed in early spring for best results. With the right nutrients and a little care, your Portuguese Laurel will reward you with glossy green leaves and resilient growth year-round.


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