John O'Sullivan

John O'Sullivan

With over 30 years of gardening experience in Cape Town, South Africa, John is passionate about native plants and sustainable landscaping. He enjoys sharing his techniques through workshops.

Joined October 2025
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Can copper fungicide affect soil health over time?

As an advocate for sustainable practices, I'm curious about the long-term effects of copper fungicide on soil health in my garden. I'm based in Cape T...

How can copper fungicide improve the health of my native plants?

I'm really passionate about cultivating native plants in my Cape Town garden, and I've noticed some of them struggling with fungal issues lately! I've...

What are some creative sustainable landscaping techniques for my home?

I’m really passionate about sustainable practices and want to apply more creative techniques to my landscape design. I’ve been experimenting with comp...

How can I create a sustainable native plant garden in Cape Town?

I'm super excited about starting a new project in my garden, focusing entirely on native plants! 🌿 Living in Cape Town, I've noticed so many beautiful...

What annual flowers can I plant for vibrant colours in summer?

I'm always on the lookout for ways to brighten up my garden during those sunny summer months here in Cape Town! I've been experimenting with different...

How to choose the right annuals for drought-resistant gardening?

Living in a semi-arid region like Cape Town, I'm always trying to push my sustainable gardening practices further, especially when it comes to water c...

Dealing with pests in a sustainable way in my garden!

Hey garden friends! I'm facing a bit of a challenge in my garden with pests. I'm all for maintaining a sustainable approach, but I've noticed some unw...

How can I tell if my copper fungicide is still effective?

I've got a stash of copper fungicide in my garden shed, and I’m wondering about its efficacy! I live in Cape Town, and while I’ve kept it in a cool, d...

How to attract beneficial insects to my native plant garden?

Hi everyone! I'm working on enhancing my native plant garden and want to make it a haven for beneficial insects. I'm based in Cape Town, and I’ve noti...

Is there a way to reduce the risk of phytotoxicity when using copper fungicide?

I've been using copper fungicide in my Cape Town garden, but I’ve heard horror stories about phytotoxicity affecting plant health, especially with mor...

What’s the best way to integrate copper fungicide into my xeriscaping practices?

I've been designing my garden around xeriscaping principles for water conservation, and it’s been such a rewarding journey! However, I recently encoun...

How do I incorporate annuals into my native plant landscape?

As someone passionate about native plants, I'm always trying to find ways to blend annual flowers into my landscaping without compromising my sustaina...

Best practices for xeriscaping in my dry garden!

Hey fellow gardeners! I'm really looking to make my garden more water-wise, especially during the dry summer months here in Cape Town. I've done a bit...

What are the best companion annuals for my vegetable garden?

I'm really keen on integrating some annual flowers into my vegetable garden to improve biodiversity and aesthetics, but I need some guidance! I've got...

Best practices for deadheading annuals to boost blooms?

I’ve been growing several annual flowers in my garden for years, but I feel like I'm missing out on their full blooming potential! I know that deadhea...