Rhododendron ‘Marshmallow’ is a highly popular evergreen rhododendron in the RhodoDirect nursery display garden, valued for its exceptional plant form and soft, elegant colouring. The flowers are borne in large trusses, with pink buds opening into soft pink florets. Each truss shows gentle colour variation, with the outer edges holding a stronger pink tone that fades toward an extremely soft pink, almost white, at the centre, creating a refined and luminous effect.
Flowering in late October, ‘Marshmallow’ provides a reliable mid-spring display and performs well in sun-exposed positions, showing good sun tolerance when grown in suitable soil and conditions. The shrub develops into a well-shaped, balanced plant, reaching around 1.5 metres in height, making it an excellent choice for feature planting, mixed borders, or massed garden displays.
Its proven performance and popularity in the nursery garden make Rhododendron ‘Marshmallow’ a trusted choice for gardeners seeking soft colour, strong structure, and dependable flowering.
Contact RhodoDirect to check availability and receive expert advice on planting and care for Rhododendron ‘Marshmallow’.

When you purchase a rhododendron, you will receive a well-established four-year-old plant grown in a 6L pot, with a strong root system and often developing flower buds, ready to settle in and thrive in your garden.

To help you plan for the plant’s eventual scale, the mature heights listed in the Product Information are estimated 10-year sizes from the time of planting. For more detail, please refer to our Size Guide in the FAQs.

Learn More: Size Guide

All our rhododendrons are grown in pots, so you can plant them anytime, though autumn is ideal for encouraging strong root growth. Find the right spot based on your chosen rhodo, improve the soil generously with organic matter, gently tease out the roots, and plant shallow at or just below the original soil level. Finally, mulch well and water thoroughly to help your plant establish.

Read more here | Planting & Soil Preparation Guide

Rhododendrons are rewarding and easy to grow once their basics are right — most issues come down to watering, drainage, or planting depth. We recommend keeping roots cool and moist (but not waterlogged), planting shallow in well-drained acidic soil, mulching annually, feeding lightly in spring, and providing morning sun or dappled shade with shelter from harsh afternoon sun and wind.

For more detailed guidance on feeding, pruning, and common issues, start with our General Care Guide, which contains all the advice you need to keep your rhododendrons thriving.

Read More: General Care Guide

We offer hand delivery within Christchurch. Outside of Christchurch, plants are sent via Post Haste and carefully packed in sturdy boxes, with up to four 6L plants fitting per carton, making it most economical to order in multiples of two or four.

Orders are dispatched Monday to Wednesday to avoid weekend delays, and for larger orders (10+ plants) we may recommend a bulk freight option. For full details, including height limits and delivery timing, please see our Shipping FAQs.

Learn More: Shipping Information