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Grevilea robusta tree yellowing

Erik@erik

2 Posts

#1 · 15th September 2024, 5:48 am

Quote from Erik on 15th September 2024, 5:48 am

I have a grevilea robusta oak and in the past 3-4 months it started turning yellow and its leaves are going brown. I am living in Cyprus and its quite hot and its not a problem of overwatering. Any suggestions as to how to save her would be very much appreciated.

 

I have a grevilea robusta oak and in the past 3-4 months it started turning yellow and its leaves are going brown. I am living in Cyprus and its quite hot and its not a problem of overwatering. Any suggestions as to how to save her would be very much appreciated.

 

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Lee Garden Ninja@lee

814 Posts

#2 · 18th September 2024, 10:03 am

Quote from Lee Garden Ninja on 18th September 2024, 10:03 am

Hi @erik

Thanks for your comment. Can you give some more detail, like when it was planted (how old it is) and what soil type it's on?

From initial glances, it looks like mottling from chlorosis and then some scorch, but other information would help!

All the best

Lee

Hi @erik

Thanks for your comment. Can you give some more detail, like when it was planted (how old it is) and what soil type it's on?

From initial glances, it looks like mottling from chlorosis and then some scorch, but other information would help!

All the best

Lee

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Erik@erik

2 Posts

Topic Author

#3 · 21st September 2024, 5:08 am

Quote from Erik on 21st September 2024, 5:08 am

Thank you so much for the reply. The tree is about 2-3 years old. The soil is clayish with poor drainage. I have already sprayed with aliette fungicide on the leaves and i have put some added iron on the roots as well. Do you think there is is something else i can do?

Thank you so much for the reply. The tree is about 2-3 years old. The soil is clayish with poor drainage. I have already sprayed with aliette fungicide on the leaves and i have put some added iron on the roots as well. Do you think there is is something else i can do?

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Lee Burkhill

Lee Burkhill, known as the Garden Ninja, is an award-winning garden designer and horticulturist with over 30 years of gardening experience and 15 years as a professional garden designer. A qualified RHS (Royal Horticultural Society) professional, Lee specialises in sustainable garden design and practical horticultural advice. He designs and presents on BBC1’s Garden Rescue and in leading gardening publications. Lee combines three decades of hands-on gardening knowledge with professional design qualifications to help gardeners create beautiful, functional outdoor spaces.

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