Welcome to Hydrangea Derby

Hydrangea Derby is a group of volunteer gardeners that was set up in 2010 to look after the Hydrangea Garden in Darley Park.  Our aim is to create a beautiful and inclusive space in a corner of an exceedingly popular park to which visitors will come again and again.  The garden contains the only National Collection of Hydrangea paniculata in the world and our aim is to include every new variety that becomes available while trying to prevent any Hydrangea paniculata disappearing from cultivation.  There are many other species of hydrangea in the garden too, and you’ll find out about them as you go through our menu.  The garden now holds about a dozen species, more than 450 cultivars and almost 1000 plants.

The garden is in a public park which is open all year with free entry.  Part of the hydrangea collection is in a walled garden which is open from early July to the end of October when most of the plants are in full bloom.  It is open all day during these months and entry is free. 

Please be aware that there is no shop and we do not sell plants.

 Click these links to find out more:

Walled Garden Opens on 30 June 2026

After a mild winter and a warm but wet spring, the hydrangeas are flowering even earlier this year. We will open the gates to the walled garden on...

2025 Hydrangea paniculata assessment – the results are in

A panel from Hydrangea Derby assessed 114 of our established cultivars of Hydrangea paniculata every two weeks throughout the flowering period,...

March 2025

March is the start of a new gardening year here at Hydrangea Derby and we've being making the most of the beautiful sunny weather to do some...

17th September 2024

Part of the paniculata collection showing some of the cultivars with late season red shades (Click to expand)

paniculata cultivar info now updated

All our cultivars (as of September 2024) are now listed under 'Our Plants' - 'paniculata' about half are with detailed Plant Profiles the remaining...

Daffodils and Tulips

We've added some daffodils and tulips to the outer garden to add some interest while we wait for the hydrangeas to flower.

Hydrangea aspera Taiwan Pink

Hydrangea aspera, in the walled garden, is putting on another splendid autumnal display and attracting all sorts of bees and other insects.  Enjoy...

Best hydrangea paniculas for attracting bees and other insects

In Hydrangea, there are two types of flowers, these are: a) Fertile flowers that have carpels, nectar, ovaries, stamens (with pollen) and very small...

An Introduction to Hydrangeas

Hydrangeas have come back into fashion and are now much more than the well-known pink (in alkaline soil) and blue (in acid soil) mop head and lacecap varieties.  While these have been cultivated to become more and more elaborate, nurseries have discovered the charms of species that produce cone shaped flower heads, black stems, delicate serrated leaves and chocolate-coloured leaves with bristles. You will find compact hydrangeas for the front of your borders, large woodland ones, ones that climb up walls and ones that attract bees and butterflies.  Explore the variety on our Plant Page.