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Presenting our latest exhibitions…

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This June, we have no fewer than nine visiting groups who have chosen to book a trip to the Challis Garden and House, some returning, some first-time bookers. They range from disability groups, through local organisations to those who don’t quite know what to expect! We are always delighted to welcome groups and can offer tours, talks and refreshments, if required. If you are part of a group who may be interested in making a booking, you will find a form on our Challis Trust website under ‘Contact Us’

In the Main House, our exhibition featuring the fascinating history of Sawston High Street continues on Tuesday and  Saturday mornings We have had an excellent response from visitors and apart from what we have discovered from our own research and archives, our visitors always bring along so much more fresh historical information.

Finally – exciting news – a wonderful new exhibition – Trees in The Challis Gardens – is now open in The Reeve Building (situated just inside the main gate). It offers a fabulous in-depth look at many of our amazing trees, some of which were planted in the lifetime of Mary Challis and some even earlier. Opening times – Tuesday, Thursday and Saturday mornings from 10 am to 12 noon.

 June Garden Highlights:

Well, it has certainly been a challenging Spring this year with exceptionally dry conditions through April and May, late frosts and an extreme heatwave in late May! The Garden team have been very busy watering to keep bedding plants, container plantings and recently planted shrubs alive. Fortunately, we have borehole water at our disposal! With temperatures reaching 50 degrees C. in our greenhouses, we’ve had to move plants outside earlier than usual to harden off. Shrubs and trees are also suffering; we’ve lost a shrub honeysuckle, a mature lilac and a large Viburnum rhytidophyllum (wrinkled viburnum) in recent weeks. Very sorry to lose these!

We are very busy at present preparing for the village Open Garden event on Sunday 14 June to raise funds for the National Garden Scheme, which supports several important national nursing and caring charities. Eight gardens – including the Challis Garden – are opening this year. £7 per adult covers entry to all the gardens. Do come along to support us and enjoy tea and cake in the Challis Garden and check out our plants for sale. Meanwhile, there’s lots of deadheading, mowing, watering and weeding to do. If you’d like to join our garden team to help out, please have a chat with us.

There’s plenty of wildlife to observe in the Garden, as we move into summer. Several birds are nesting, including great spotted woodpeckers in full view in a dead tree. We’ve enjoyed watching them in recent weeks. There will be more butterflies and other insects to see as the wildflower meadow and bee border come into flower. There are many painted lady butterflies around at the moment. It’s amazing to think these are long-distance migrants from North Africa and Southern Europe! They are very welcome!

Mike Redshaw

Garden and House Update July 2026

Message from the Chairman:

Having said farewell to May amidst unseasonal weather conditions, we ‘welcomed’ more unseasonable weather in June with some blistering rec-ord-breaking temperatures – really difficult for our gardeners to deal with and involving many extra visits to ensure that everything remained well-watered. But – given their exceptional diligence, the Garden has survived!

Now we look to July, with a slew of group bookings for visits to the Garden and the House. Groups are hosted by Challis Trustees and Volunteers who are able to provide talks and refreshments, if required. Are you part of a group that might like to visit? Contact us via the details at the bottom of this page.

The House exhibition, telling the long and fascinating story of Sawston’s High Street, continues in the Main House. The Reeve Building is showcasing a wonderful new exhibition, exploring in depth the very many interesting trees that fill the Challis Garden, some of which are well over 100 years old.

Both exhibitions are open on Tuesdays and Saturdays between 10.00am and 12 noon. Finally – exciting times – we are once again hosting a theatre company, this time – Handlebards – who will be presenting an outdoor performance of ‘Macbeth’ (with a twist) in the Challis Garden on 23rd July at 7.00pm. They come highly recommended Tickets available online, direct-ly from the company – see their Facebook page. Bring seats and a picnic. Outdoor bar with snacks will be open. Rosie Phillips

Garden Highlights:

Well, what a year it’s turning out to be, starting with a dry Spring, late frosts and a mini-heatwave in late May, followed by some much-needed – often very heavy – rainfall and now exceptionally high temperatures. It has certainly been a challenging year. Luckily, we have a deep borehole on site so we’re not short of water, but watering is very time-consuming. We are very lucky to have a good team of dedicated volunteers who have managed the situation well to successfully raise bedding plants for the Garden. You will see lots of Nicotiana, begonias, geraniums, marigolds, Echiums and cosmos filling gaps in the herbaceous beds.

The Challis Garden opened on Sunday 14 June, along with 7 other village gardens, for the National Garden Scheme (ngs), to raise funds for important nursing and caring charities. The ngs donates over £3.5 million annually to these charities. We are very proud to support and contribute to this cause. This year broke all records, raising a remarkable £3,200 for the scheme. It was a very busy and enjoyable afternoon in perfect summer weather. We are absolutely delighted with the result. 2027 is the centenary year of the ngs so expect lots of TV coverage and more gardens to visit. Can’t wait!

The key highlight this month is undoubtedly the wildflower meadow in the centre of the main lawn, full of colour with scabious, knapweed, yellow bedstraw, white campion and yellow rattle. And it’s attracting lots of polli-nating insects, notably this year painted lady butterflies in abundance. Do pause and enjoy this colourful display and the many insects. Most shrubs and trees have finished flowering but the golden rain tree is unusual in that it flowers in mid-summer. It peaks in early July – check out the gorgeous bright yellow panicles, a real picture against a clear blue summer sky. Lots to see and enjoy! Mike Redshaw