Heatwave Gardening: Top Drought-Resistant Plants That Thrive | Norfolk School of Gardening (2026)

In the realm of gardening, where nature's whimsy reigns supreme, the recent heatwave has brought to light a stark contrast between the resilient and the fragile. As an avid gardener and commentator, I find myself reflecting on the winners and losers in this battle against the elements. The Norfolk School of Gardening, nestled in the heart of England, has become a microcosm of this struggle, with its plants and students alike grappling with the challenges of sustained high temperatures and limited rainfall.

One plant that has captured my attention is the Helianthus Lemon Queen, a perennial sunflower that should be towering by now, ready to bloom. However, this year, it seems to be struggling, appearing thirsty and shorter than usual. Similarly, the Sedum Autumn Joy, a plant I've never seen stressed by heat before, is showing signs of distress with slightly shrivelled leaves. These observations highlight the delicate balance that many plants maintain, and how a slight shift in conditions can tip the scales.

On the other hand, there are plants that seem to thrive in these conditions. The Gaura, Coreopsis, Verbena, and Salvia, along with various ornamental grasses, have been loving the heat and are impervious to the lack of rain. These plants, I believe, are the true survivors, able to adapt and flourish in the face of adversity. The Oenothera lindheimeri 'Siskiyou Pink', a graceful perennial native to Texas and Louisiana, is a prime example. Its airy clumps and delicate flowers dance in the breeze, attracting bees and other pollinators. This plant, growing to around 60-90cm, is a perfect fit for sunny borders, gravel gardens, and naturalistic planting.

The recent rain, though brief, has provided a much-needed respite. It has given the garden a fresh feel, but it's not enough to alleviate the ongoing water crisis at the school. With the paddock where the veg patch, greenhouses, polytunnel, and shade tunnel are located having no mains water, the situation is dire. We may have to resort to running a hose from the classroom, a first for us.

This raises a deeper question: how do we adapt our gardening practices to the changing climate? The heatwave has highlighted the importance of understanding the specific needs of different plants and adapting our watering and care routines accordingly. It's a constant learning process, and one that requires a deep connection with nature and a willingness to adapt.

In my opinion, the key to successful gardening in these uncertain times is to embrace the diversity of plant life and to be prepared for the unexpected. By learning from the winners and losers, we can create gardens that are not only beautiful but also resilient and sustainable. As the school prepares for the next term, with courses like Introduction to Garden Design and Advanced Practical Gardening still available, it's a chance to learn and adapt, to create gardens that can withstand the challenges of the future.

One thing that immediately stands out is the importance of community and shared knowledge. By sharing our experiences and learning from each other, we can create a network of support and resilience. What many people don't realize is that gardening is not just about growing plants; it's about growing a community and a deeper connection with nature. So, as we move forward, let's embrace the challenges and opportunities that lie ahead, and create gardens that are not only beautiful but also sustainable and resilient.

Heatwave Gardening: Top Drought-Resistant Plants That Thrive | Norfolk School of Gardening (2026)
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