Frequently Asked Questions

Many gardeners are unaware that the world of scented rhododendrons extends beyond the popular Fragrantissimum and Loderi varieties. While these cultivars are timeless classics, there’s a broader range of fragrant rhododendrons worth exploring. Fragrantissimum has a wonderful scent but tends to be leggy and open with fewer flowers per truss. Its blooms are also rather…

Understanding and Managing Thrips Thrips, scientifically known as Thysanoptera, are tiny dark-coloured insects that can cause significant damage to plants. Despite their small size, about 2mm in length, thrips can wreak havoc on various plants, including rhododendrons. Here’s a concise guide on how to identify, prevent, and manage these pesky insects. Identifying Thrip Damage Thrips…

Exploring the Charm of Yakushimanum Hybrids: The Rolls Royce of Rhododendrons Yakushimanum hybrids hold a special place in the hearts of gardening enthusiasts worldwide, renowned for their compact growth, stunning blooms, and unique foliage. These hybrids are a testament to nature’s beauty and resilience, earning them the title of the Rolls Royce of rhododendrons. Among…

Discover the Beauty of Deciduous Azaleas in New Zealand Gardens As we move through July, it’s the perfect time to highlight one of the most enchanting and versatile plants you can introduce to your garden: the Deciduous Azalea. These vibrant azaleas not only provide a spectacular display of colours but are also perfectly suited to…

People often ask me what plants I put with Rhododendrons.  As rhododendrons are such shallow-rooted plants, the following work well as companion plantings. Here’s a quick list of my favourites: hellebores, hydrangeas, lilies, dahlias, hostas, Chatham Island lilies, and trilliums. These plants thrive in a mix of hot and shady spots, and I also love…

Rhododendrons exhibit a fascinating adaptation to cope with cold conditions. As temperatures drop, rhododendron leaves curl and hang down, creating a protective layer that reduces moisture loss. This behaviour eases the strain on the roots, which would otherwise struggle to extract moisture from frozen soil. Additionally, when snow falls, it interacts uniquely with rhododendron foliage.…

Many individuals who would dearly love to grow rhododendrons have steered away from them because of their clay soil. Don’t let having clay soil stop you enjoying a rhododendron garden. If heavy clay is present then dig a small hole and run some water into it; if the water does not disappear in a few…

One of the concerns we hear from customers is that they don’t have enough shade in their garden. Many customers plant trees in their gardens first and think that they will have to wait until the trees have provided shade before they can plant their rhododendrons. This is not the case – no waiting is…

Nearly all fragrant rhododendrons are frost tender. A good rule of thumb to abide by is if the area they are going in will be affected by a -4 degree Celsius frost, then don’t plant them. Sometimes you might get bad frosts but have a very sheltered location for fragrant varieties to grow, like under…

You can use animal manure but be careful not to burn the fibre roots at the top of the rhodos root ball. Instead spread it around well away from the rhodos roots and ensure it is well rotted. For more comprehensive information visit our fertiliser advice page.