Why do laurel leaves turn brown
Rachel Hunter
Published Mar 09, 2026
Desiccation/winter burn – Brown leaves on mountain laurels can be caused by desiccation, which occurs when winter wind draws moisture from the tissues. If the plant is unable to pull moisture from the soil, the water in the cells isn’t replaced and leaves turn brown. … An organic mulch will help during the winter.
How do you revive a dying laurel?
They should replace or refund. Laurels dont need stakes, or watering once they are planted and have their first soak. Dont feed them. Chop the thin spindly weak growth off the tops of the remaining ones, they may be saved, and get the others replaced.
How do you treat yellow leaves on Laurel?
A lack of nitrogen can also create a pH imbalance. Low nitrogen will bring on a uniform yellowing of your bay laurel’s leaves, beginning with the older lower leaves and moving up the tree. You can fix this by feeding it with some good organic compost or with a dose of nitrogen-rich fertilizer.
How often should you water laurel hedging?
Water your Laurel Regularly every 2 days if the soil is very dry and / or sandy. every 4 days if the soil holds water. every 6 days if the soil holds water and is in the shade.Why are the leaves on my laurels turning yellow?
Nutritional deficiency – A yellowing bay laurel can be caused by a nutritional deficiency, particularly in iron. If a plant is not receiving enough iron it decreases Chlorophyll which is a vital component of photosynthesis, allowing plants to absorb energy from the sun. This results in yellow leaves at the edges.
What should I feed Laurel?
When you are planting a new Laurel hedge we always recommend using bone meal, this is a natural organic fertiliser that should be well mixed with the soil. One kilo of bone meal will be sufficient for a 15 metres of hedge planting.
What is killing my laurel bushes?
Leaves of cherry laurel (Prunus laurocerasus) are often affected by powdery mildew (Podosphaera tridactyla and Podosphaera pannosa), by leaf spot fungi (Stigmina carpophila and Eupropolella britannica) and bacterial shothole (Pseudomonas syringae), all of which can cause holes, tattering and distortion in the leaves.
How do you look after laurel trees?
Once you’ve planted your laurel hedging plants, you need to make sure they get enough water to keep them alive and growing well. Usually plants only need watering from March to October. During the winter months, they use less water and normally get enough from the rain.Do laurels need feeding?
The roots of a laurel plant will rot if they sit in waterlogged conditions for a long period of time. Cherry laurels need just a general purpose feed such as chicken pellets or bone meal. Fertilizing once a year will help keep cherry laurel foliage green and lush,and also maintain prolific white, fragrant blooms.
Should you cut off yellow leaves?Generally, it’s safe to remove a few yellowed leaves from your plant. Removing yellow leaves keeps your plant looking healthy and your garden looking green. Removing yellow leaves can also reduce the risk of disease, which can develop more quickly on decaying leaves rather than healthy ones.
Article first time published onWhy are the leaves on my hedge turning yellow?
Yellow leaves may be a sign of iron chlorosis or a nitrogen deficiency. The soil may be lacking in iron or nitrogen. Insects and diseases can interfere with the plant’s ability to make use of the iron or nitrogen present in the soil.
Can I use tomato feed on Laurel?
If you’re growing Portuguese Laurels in pots, or just if it’s easier for you, rather than using a dry feed twice per year you’d be better off using a fertiliser you can water on, such as one of the soluble brands you mix in water, or a tomato food, and water them with that every three weeks or so from April to mid- …
Will laurel leaves grow back?
Laurel is quick-growing and evergreen. … Laurel can be trimmed or pruned to the height you require and, if it grows too big, it can be cut back as hard as you like – right back to the stump if necessary – and it will re-grow quickly into a new hedge.
What is the best fertilizer for hedges?
We recommend a 6-7 month slow release fertilizer for most climates. Apex makes a 16-5-9 slow release 6-7 month release, which works great for our hedge varieties. In the Pacific Northwest, you can use a longer-release fertilizer of 8-9 months. For longer release, Osmocote Blend 18-5-12 is a great choice.
How do you treat Laurel fungus?
Laurel Downy Mildew Under Leaf. This disease is not fatal but will defoliate the newer growth. There are two ways to control this. Firstly, the non-chemical way is to prune off the infected growth and dispose of well away from the infected plants. The second way is to spray with an approved fungicide.
Is chicken pellets good for laurels?
Don’t use poultry manure this time of year, it’s high nitrogen & will create lots of soft growth which is not what you want this time of year. Use some bone meal in the planting hole as this will encourage root development.
How many laurels do I need?
How many hedges? We recommend planting Leylandii, Laurel and most other evergreen shrubs* between 60cm and 100cm apart (approximately 2-3 feet apart). Hedges with plants 60cm apart “fill in” quicker than those planted 100cm apart but you get just as good a hedge in the long run at either distance apart.
Is chicken manure good for laurel hedge?
Do not use fresh chicken manure as it can burn the roots of the plants.
What's eating my laurel leaves?
The chances are it’s a bad case of Shothole. This fungal disease attacks the leaves which leave small irregular pale brown patches that will eventually fall out, giving the appearance similar to that of a rather large slug or caterpillar that has had a midnight feast on your laurel leaves!
Can Brown leaves turn green again?
Sometimes a leaf with a little discoloration caused by poor nutrition or mild stress will green up again if the problem is quickly addressed, but it’s best not to get your hopes up. That doesn’t mean the plant is doomed, however – far from it.
Why are my plant leaves turning brown?
Browning leaves are typically caused by under watering, sunburn, or overwatering. If the leaf tips are turning brown and crunchy, the soil likely became too dry for too long in between waterings. … The brown leaf tips will not turn back to green but you can trim the brown edges to get the plant back to looking healthy.
What do you do when plant leaves turn brown?
If it’s brown and dry, then cut the whole leaf, but not too far from the main branch so that it will grow a new leaf. If it still green but just the tip is brown, then use a sharp pair of scissors to just trim the edges. Why do leaves on outdoor plants turn brown?
Why are my hedges turning brown?
Your shrubs could’ve turned brown for a number of reasons, including: … If the ground is still frozen, the shrubs can’t soak up enough water from the soil to keep new growth green, so it turns brown instead. Pests or disease: Insects like borers or a disease like boxwood blight can cause shrubs to change color.
Why do plant leaves turn brown and yellow?
The most common reason for yellowing or browning of leaves is over or under-watering. It is vital to provide enough time for the soil to dry between waterings. If you have not watered your plant for a long time and soil feels too dry, give your plant a good drink.
What nutrient deficiency causes yellow leaves?
When we say “chlorosis,” we’re generally talking about iron deficiency, a nutrient deficiency that causes leaves to yellow in a particular way. Iron chlorosis is “interveinal,” meaning the yellowing occurs in leaf tissue between the leaf’s veins.
Is Laurel Hedging easy to maintain?
Prunus laurocerasus Rotundifolia will grow into a dense, bushy hedge but there’s no need to worry about the growth getting out of hand as this species is fairly low maintenance, only requiring a trim once a year. It is easy to maintain a neat hedge at around 1.5m to 2.0m. 6.
What months do laurels grow?
Laurel planted in the late autumn, winter or early spring will have had a chance to develop a root system before the soil dries out in the spring (as long as they were planted correctly) but laurel planted in late spring, summer or early autumn need to be watered regularly for the first growing season (March to October …
When should laurel be pruned?
Laurels can be cut back as hard as you like from early spring through until late summer (late August). If after that time, then the best time to cut back hard in late winter. The new growth will soon start to shoot out as soon as the spring warmth begins.
How do I make my Laurel bushier?
One of the best ways to keep your hedge healthy and strong is by trimming off branches that are damaged or dead. Not only will trimming dead and damaged branches help your laurel grow faster but pruning into green growth every couple of months will help your laurel grow faster and thicker too.
How long does Laurel take to season?
The logs make brilliant fuel in a woodburner and burn hot with a pretty blue flame, but you need to season it well for maybe a year to ensure all the cyanide traces have degraded (its not stable, just in the sap, and eventually goes after the wood dries). Don’t burn the wet wood in a camp fire, wait for it to season.
Is nitrogen good for laurel?
Plants use large amounts of nitrogen to produce new leaves and stems. Plants with lots of leaves such as Prunus lusitanica (laurel) need more nitrogen than deciduous species such as Crataegus (hawthorn). Nitrogen is used mainly by plants mainly to produce lots of leaf growth and a nice healthy green colour.