Rose Leaves Turning Yellow? Causes & Solutions

Your rose leaves can turn yellow for a plethora of different reasons.

For some, it’s a mere nutrient deficiency in the soil, whereas for others, it can be a result of neglect that’s affecting the plant and placing unnecessary stress on it. 

I still remember the time when all my rose plants started developing a yellowish shade in their leaves and became brittle.

It was devastating to witness but that experience taught me the things I’m about to share with you right now. 

Rose Leaves Turning Yellow? Causes & Solutions
Dried and yellowed rose leaves, flower disease. The concept of nitrogen starvation of a bush rose, lack of phosphorus.

A nutrient deficiency, particularly poor nitrogen levels, is a common culprit behind rose leaves turning yellow.

This happens slowly over time and can possibly affect your entire garden if you don’t address the root cause immediately. 

Get your hands on a balanced fertilizer from your local gardening store and apply it every 2-3 weeks to balance out nutrient levels and make them optimal for rose blooming and healthy foliage development.

Do your rose leaves have holes? Then you should read this article.

If your soil or pot has poor drainage, there’s a high chance that you’ll experience overwatering difficulties that eventually lead to root rot.

Not only can the rose stems and overall plant structure become mushy but the leaves may begin to turn yellow and brittle as well.

Overwatering roses
Overwatering roses

To counter this issue, get your overwatering habit in control and only provide water in amounts that your plant actually needs.

If the soil is tightly compacted, take a spade or garden fork and loosen it up to allow for better drainage. 

Sometimes, you’re getting every plant growth variable right except one — the lighting.

The effect sunlight can have on your rose plant is dramatic; both too little and too much sunlight can negatively affect your plant but in different ways. 

Yellow rose and leaves with black spots
Yellow rose and leaves with black spots

While a lack of sunlight can cause the leaves to wilt and discolor over time, extended periods of extreme sunlight exposure can burn your rose leaves, turning them yellow or even brown rather quickly

If you have your rose plant in a pot, move it to a shaded location during the hottest part of the day. But, if it’s in the ground, cover it up with a shade cloth till the scorching heat passes. 

Pests and insects leeching onto your rose plants and feeding on foliage can put your plants under a lot of stress.

If signs of infestation and damage are evident, you must take action or otherwise the tiny little monsters can wreak havoc and ruin your entire rose patch. 

Rose leaves with fungal disease Black spot of rose, caused by Diplocarpon rosae
Rose leaves with fungal disease

Use a high-quality pesticide from your local gardening store or make a homemade pest-repellent solution at home using neem or peppermint oil and some water. Both ways work fairly well.

You can also use these 5 eco-friendly pest control alternatives to keep your roses pest-free naturally.

Fungal disease - Black spot of rose caused by Diplocarpon rosae
Fungal disease – Black spot of rose caused by Diplocarpon rosae

In most cases, rose leaves turning yellow with black spots is a sign of a serious fungal infection. The reason behind this is typically damp conditions and poor air circulation. 

Try to look for fungicides that combat “black spot” at your local gardening store and apply them as directed. Also, cut off affected leaves in time so the infection doesn’t spread.

Rose rust brown spots on rose petals
Rose rust brown spots on rose petals

The culprit here, again, seems to be a nutrient deficiency. A lack of essential nutrients that uphold rose foliage and give it structure and integrity can cause leaves to turn brittle and break off. 

You may want to address this deficiency immediately using either a balanced or a specifically formulated fertilizer that adds life to your leaves. 

In most cases, yes, it is a good idea to remove the yellow leaves from your rose plant.

Not only will it help contain the spreading of disease but also allow the plant to not expend energy in pointless areas.

Your plant will also look a lot younger and more vibrant after the removal of yellowing leaves. 

Just make sure not to chop off too many leaves at once as it can stress the plant out and limit sunlight absorption for efficient photosynthesis.

I believe you should also learn how to prune roses, because it is important to keep roses healthy.

Seeing your rose plant foliage turn yellow can be an alarming sight and it should definitely be treated as an issue. However, try your best to not panic as doing so will limit your ability to make rational decisions that could save your plant.

Remember the key rule for garden-related issues: identify the root cause first, then take immediate action. 

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