🍓 Why Are My Strawberry Leaves Turning Brown?
Brown leaves on strawberry plants are a common issue and can be caused by weather stress, watering problems, nutrient issues, pests, or disease. The fix depends on where the browning appears and how quickly it spreads.
Keter Manor Outdoor Apex Double Door Garden Storage Shed (6 x 8ft)
A durable and stylish beige and brown garden storage shed perfect for storing garden tools, equipment, bikes, and outdoor essentials. Weather-resistant, low maintenance, and ideal for any garden or allotment setup.
🌱 Compost & Soil Improvers
Give your garden beds a boost before winter with compost and organic matter.
Shop Compost & Soil Improvers
🌿 Autumn Plant Feed & Fertiliser
Prepare your soil for autumn planting with suitable fertilisers and soil nutrients.
Browse Garden Fertilisers
🥬 Seed Trays & Propagation Kits
Keep growing through autumn by starting suitable hardy crops under cover.
Shop Seed Trays
Here’s a clear, practical guide to help you work out the cause and put it right.
⭐ Check Out Our Recommended Products
• Grow Lights / Heat Lights
Essential for starting seeds early, especially for vegetables, fruit, and herbs that need warmth and strong light to germinate and grow well. Grow lights prevent weak, leggy seedlings and give young plants the best possible start indoors.
👉 Click here to see them
• Grow Your Own Gardening Book
A great reference for beginners and experienced growers alike. A good grow-your-own book helps with variety choice, sowing times, spacing, and avoiding common growing mistakes throughout the season.
👉 Click here to see them
• Gardening Diary or Planner
Keeping a gardening diary makes it easier to track what you planted, which varieties performed best, and when to sow again next year. Perfect for planning crop rotation and improving results year after year.
👉 Click here to see them
• Seed Trays & Module Pots
Seed trays and module pots are ideal for raising strong, healthy seedlings under cover before planting out. They improve germination rates, reduce losses, and help plants establish faster once moved outdoors.
👉 Click here to see them
🌞 1. Sun Scorch or Wind Burn (Very Common)
Strawberries have soft leaves that can scorch easily.
Signs
- Brown, crispy edges or tips
- Leaves dry rather than floppy
- Often after hot, sunny, or windy weather
What to do
- Water deeply and consistently
- Mulch to protect roots and retain moisture
- Provide light shade during extreme heat
💧 2. Watering Problems (Too Much or Too Little)
Both overwatering and underwatering can cause browning.
Underwatering signs
- Dry, brittle brown patches
- Soil dry below the surface
Overwatering signs
- Brown spots combined with yellowing
- Soil stays wet or soggy
What to do
- Keep soil evenly moist
- Ensure good drainage
- Avoid watering little and often—water deeply instead
🧪 3. Nutrient Deficiency
Lack of key nutrients weakens leaves.
Common issues
- Potassium deficiency: brown leaf edges
- Magnesium deficiency: yellowing followed by browning
What to do
- Feed with a balanced fertiliser
- Use a strawberry-specific feed during flowering and fruiting
- Avoid overfeeding, which can worsen problems
🦠 4. Fungal Diseases (Very Common in Wet Weather)
Leaf Spot / Leaf Scorch
Signs
- Small purple or brown spots
- Spots enlarge and merge
- Leaves eventually turn brown and die
What to do
- Remove affected leaves
- Avoid overhead watering
- Improve airflow around plants
🐛 5. Pest Damage
Sap-sucking pests weaken leaves, causing browning.
Common pests
- Aphids
- Spider mites
Signs
- Patchy browning
- Fine speckling or stippling
- Pests on leaf undersides
What to do
- Check leaves regularly
- Wash pests off with water
- Use suitable organic controls if needed
🌱 6. Natural Leaf Ageing
Older leaves naturally die off as new growth forms.
Signs
- Browning on older, outer leaves only
- Healthy new leaves in the centre
What to do
- Remove old leaves
- Focus on healthy new growth
- No treatment needed
🧊 7. Frost or Cold Damage
Late frosts can damage strawberry foliage.
Signs
- Brown or blackened patches
- Sudden damage after cold nights
What to do
- Remove damaged leaves
- Protect plants with fleece in future
- Plants usually recover well
🧠 Quick Diagnosis Guide
- Brown edges only? → Sun, wind, or nutrient stress
- Spots spreading? → Likely fungal disease
- Whole leaves dying back? → Watering or root issues
- Only old leaves affected? → Natural ageing
🧠 Key Takeaway
Brown strawberry leaves are usually caused by weather stress, watering issues, or fungal disease, not something fatal. Remove affected leaves, improve airflow and watering habits, and most plants recover quickly.
Healthy new growth is the best sign your strawberries are on track for a good crop.