June 13, 2025, 1:03 pm | Read time: 3 minutes
Strawberries are among the most popular fruits for hobby gardeners to grow in their own gardens or on balconies. Proper care is essential for a bountiful harvest. Those who neglect maintenance may end up with weak plants that could also develop yellow leaves.
Strawberries are susceptible to diseases and pests–especially if they are not properly cared for. If you notice yellow or even brown leaves on the plants, it’s time for hobby gardeners to take action. myHOMEBOOK explains what causes the discoloration and what steps to take.
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Strawberries Have Yellow Leaves? Here’s Why
Yellow leaves on strawberries can be attributed to various causes. Depending on the cause, the necessary actions may differ. Here are the most common reasons for yellow foliage on strawberry plants and how to address them properly.
1. Nutrient Deficiency
If strawberries are not fertilized regularly or in a balanced manner, a nutrient deficiency can lead to yellow leaves. Nitrogen is important for plant growth and is also needed for the formation of the green leaf pigment chlorophyll. A nitrogen deficiency is indicated by yellowing older leaves and weak growth of the strawberry plant.
An iron deficiency can also cause yellow leaves–in this case, the young foliage is primarily affected, while the leaf veins remain green. If a nutrient deficiency is the cause of the yellowing, garden owners should supply the plants with a balanced berry fertilizer.
2. Drought
During extended dry periods, it is important to water strawberries adequately. If the plants are not watered enough or at all, they risk drying out–the leaves turn yellow or even brown.
Therefore, regular watering is particularly important. Especially during the flowering and fruiting period, it may be beneficial to water once or twice a day. The early morning or late evening is best for this.
3. Waterlogging
However, one should not overdo it with watering. Before watering strawberries, it’s advisable to do the finger test: If the top layer of soil is dry, watering can be done. If it’s still moist, it’s better to leave the watering can aside. Potted plants should also be protected from waterlogging with drainage so that excess water can drain away unhindered.
If drainage is lacking, root rot can occur. Standing water displaces oxygen in the soil, causing the roots to start rotting. As a result, the plant may have difficulty absorbing nutrients.
If the roots are already waterlogged, it may help to repot the plant in fresh soil. A drainage layer–such as gravel–should be planned directly. Additionally, it’s important that the pot or container has a drainage hole.
Also of interest: Planting and Caring for Strawberries Properly
4. Diseases and Pests
There are various diseases and pests that can cause yellow discoloration on the leaves. Pests such as root lice or the strawberry blossom weevil weaken the plant, which can lead to yellow foliage.
Fungal diseases like strawberry wilt can also cause yellow leaves. To prevent infection, strawberries should not be planted in locations where potatoes or other strawberries previously grew. Affected plants must be removed immediately and disposed of with household waste.
To strengthen strawberry plants, it is recommended to treat them with liquid manure made from nettles or horsetail. Both plant manures are easy to make yourself.
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5. Age
In addition to too much or too little water, nutrient deficiency, or diseases, the age of the plant can also play a role in the yellowing of the leaves. Older leaves naturally turn yellow. This old foliage is no cause for concern and can simply be removed.