This video was made in June 2023 when the Fernery was just about ready for the National Garden Scheme Opening.
Pete Stevens @ creative empathy
'The best fernery to be found in the Home Counties'
By John Roper
This video was made in June 2023 when the Fernery was just about ready for the National Garden Scheme Opening.
Pete Stevens @ creative empathy
In the Pteridologist magazine in 2000 Patricia Watt mentioned that Anthony Parsons (AP) was honoured by having a fern, Gymnogramma chrysophylla parsonii , named for him. This is a Victorian name, no longer in use, so it was a bit of a mystery as to what this fern could be. No records have yet come to light from this once renowned gardener or from family archives that would shed light on what this fern looked like, or why AP was honoured by having it named for him. Plants cultivars are often named for the first person to come across or cultivate the unique variation. The usual internet search did not throw much light on this as there seemed to be no readily available Victorian taxonomy to modern plant names translator.
Our friend Peter Blake of the Pteridological Society had a look at some historic books that he was familiar with and has found the modern name of the original. He feels it is a cultivar of Pityrogramma austro-americana, a small fern from central and southern Americas only suitable for hothouse growing but difficult to make thrive. Part of a group that have glorious golden or silver powder effect on young frond stipe, or stalk, and later a complete golden covering on the reverse of each mature frond, in the case of P. austro-americana.
We have found the following enticing information. In the 1850s AP was a well respected gardener, cultivator and exhibitor of both his fruit and flowers. In the 1860s he continued showing and added ferns, particularly his Pityrogramma calamelanos parsonii. He was mentioned in the ‘ Journal of Horticulture and Cottage Gardener in 1865 for showing and gaining First Class Certificates.
Benjamin Samuel Williams of Victoria and Paradise Nurseries, Upper Holloway, London, wrote a book in 1868 called ‘Select Ferns and Lycopods: British and Exotic’. It is a comprehensive instruction book and catalogue of ferns no doubt intended to encourage visits to his nursery and on page 140 he says:
“G chrysophyla parsonii – A most beautiful variety, obtained from seed (spore, Ed.) in this country. It retains all the beauty of the species, and, in addition, the apex of the fronds and every pinnae is densely and beautifully tasselled. This plant should be in every collection of tropical Ferns.”
George Schneider’s “Book of Choice Ferns” , 1893 describes Gymnogramma calamelanos parsonii as “A beautifully crested form, of comparatively dwarf dimensions, with fronds seldom exceeding 1ft. in length, and covered on their under-side with a beautiful dark yellow powder. They are of a very upright habit, their extremity being formed into a broad but finely-divided tassel, while each leaflet terminates in a crest, becoming smaller as they reach the base of the fronds. This variety is very variable in its mode of fructification, some plants producing fronds with more or less flattened crests. It is very liable to damping-off through excessive or accumulation of moisture in the crests of the fronds during the winter, when it must be kept in a particularly dry place, and as close to the light as possible.”
Peter has seen the un-crested Pityrogramma austro-americana in his travels to India and Ceylon as well as growing them in his own glass-house. He mentions that they are hard to grow but, as I have seen, are gloriously yellow stipe when young.
So in conclusion, it appears our Victorian gardener here at Danesbury Fernery was either lucky or brilliant at cultivation and was one of the few people recorded then or since to have cultivated the Gymnogramma chrysophylla parsonii. We now believe it to be based on Pityrogramma austro-americana, which if anyone can find a crested version should again be named for Anthony Parsons.
The following is written and posted by Colin Adlam
I was looking through my old photos to see what triggered my interest in ferns. The photos show a tendency towards structural things, those not of family and friends. Buildings, trees, vehicles and latterly ferns. We used to visit a lot of National Trust properties with the kids and I think my first fern purchase probably came from one of them as a memento. In the mid ‘Noughties’ we had our front garden landscaped and had to re-plant the whole area. I acquired a small plot for the few ferns I had in containers and planted them out eagerly. The site was in the shade but above the root system of 2 vast Laurels that had once been the hedge, and a tall conifer. Not ideal.
Every spring copious watering would bring the ferns back to life again and continuous watering kept them lush for the summer months. I always looked forward to seeing those first croziers peek out and unfurl. They fascinated me. From about the year 2000 to 2010 my random collection grew to over 20 different species and cultivars with purchases at other NT houses and at Hampton Court RHS Flower Show, mainly bought from two guys that call their company ‘Fernatix’.
In 2009/10 we landscaped our back garden, with patio, water feature and fish pond, and I moved the main collection to two new areas. Leaving just a couple of large Blechnum nudum out front, the remaining plants were split between the small area next to our patio and a larger area below the pond. Both are on the southern boundary and shaded by a tree or the tall hedge. Masses of organic material was, and still is, dug in to keep the soil moist. Pride of place was given to the Polystichum setiferum ‘Plumosum Bevis’, a very darkly attractive Soft Shield fern.
Lower Fern Bed
The interest in collecting leads naturally to wanting to learn more about ferns; to see, photograph and uncontrollably purchase more. I am a besotted and incurable ‘fernatic’, or what the Victorians called – a Pteridomaniac! In the last 10 years I have taken over 3 further areas of the garden, the most successful being the shady and sheltered unused strip along the side path.
A few years back my wife and daughter, visiting the Chelsea Flower Show, saw a stand run by an organisation with an unpronounceable name. Deciding that it would be a good joke, they signed me up for membership of the British Pteridological Society. The regular publications started arriving, 3 different formats of newsletter plus emails, and I eventually got to this year’s AGM. I was fearful that the number of ‘Dr.’ prefixes in the organisation would make for a very academic day. Far from it. The day included a reasonably short formal AGM, some interesting presentations and slide-shows, a sale of BPS branded goods and a spore exchange. I met nice people with a similar interest, but often a far greater knowledge of ferns than I have memory capacity for.
Having recently visited two couples in Norfolk who are Pteridoligical Society members I realise my collection, and my retention of details, is woefully short of optimum. So I consider myself a Pteridomaniac, rather than a Pteridologist, enjoying collecting ferns and learning what I can from browsing books and catalogues.
I hope to help the Friends’ of Danesbury Local Nature Reserve community that have welcomed me with open arms, and occasionally get the name of a fern correctly identified. I look forward to seeing you all at working days at Danesbury as often as I can make it.
Colin Adlam
This successful project, which was sponsored by a private benefactor, was led by Harry Ward. The work was undertaken over four distinct phases.
Excavating and Straightening the poles
Excavating the bent poles
Originally lined with oak
The poles were removed from the site and straightened under heat and hammer by a local blacksmith.
Re-Installing the straightened poles
Reinstalling the poles
Reinstalling the poles
Designing and Printing the Banner
The wording was agreed ‘in committee’; the font selected by Ann MacDonald; and printed in Knebworth.
The Banner was fixed temporarily in time for the June 2018 Open Day, but not permanently fixed until October 2018.
Banner Fixing
This final stage was completed in just 15 minutes with the constructive help of John’s son Simon with his ladder.
Banner Fixed
Jenny Hawkins, introduced to the team by Sue, has brought her knowledge of wild flowers with her.
Because they will be of attraction to visitors alongside planted perennials and specialist trees and shrubs, we are now listing wild flowers that are found on the site, and also wildflowers that have been cultivated and planted.
All the wildflower species planted are natural to Hertfordshire, although not necessarily within the Fernery. They are cultivated by Jenny at her home, and brought to the site in the form of ‘plugs’ ready for planting.
At the 20th September 2018 Working Party, Mark with Maydencroft’s digger, opened up the two large holes in the cattle fence on the East side of the site, in preparation for the scouts to effect a sound repair by making a wire ‘envelope’ into the ground, and up the existing wire fence.
On Monday 24th September Explorer Scouts (in great numbers – 26 in total) completed the task of laying the wire and tying it to the existing fence, before filling in with soil.
The scouts divided into two groups who, in rotation, shared the task of actual wiring up, whilst the others were entertained with a 30 minute guided tour of the Fernery itself.
It was very gloomy when the work was completed at 7.15 pm and the more enterprising scouts had to use torches on their mobile phones to see how to stack the unused wire, tools and the wheelbarrow back in the shed.
The Fernery volunteers are grateful to the Scouts for their help, and these photos taken a few days later show what a good job they did, under the direction of Keith Ingrey, their leader.
South East Corner
North East Corner
The following is reported by Colin Adlam
For the June 17th Open Day, I planted some spare ferns from my garden, leaving them at that stage in their plastic pots. Most of these have survived thanks to the teams’ brilliant watering efforts throughout this exceptionally hot summer. Wasn’t it glorious?
All those new ferns that survived have now been properly planted in the beds where they were located, as the beds have now been properly dug-over. Only one or two ferns were lost completely, and those can easily be topped up later in the year.
I also trimmed any totally scorched fronds on other plants and can report that many of those had new croziers popping their heads up. We should see some good growth in a mild damp autumn.
All the ‘Tatting ferns’ up the back wall of the dropping well have survived, and I hope for a good show of an interesting decorative fern next year.
This List is shown against the background of the original Draft Planting List
This is the first draft planting list for the Fernery, produced by Sarah Marsh and approved by the Borough Council. It is planned that these will be purchased and planted in April 2018 – but some bare-rooted specimens will be purchased in February 2018 for earlier planting.
Overall Design Objectives
Perennials for the centre of the fernery which are in keeping with the Victorian era that the garden was created for and then leaching out with small shrubs i.e. Sarcoccoca, hypericum etc to the edges of the fernery with the larger shrubs and 2 or 3 small trees with a view to cutting down the wind but leaving various vistas open for the views
Spring interest
Snowdrops
Cyclamen Coum
Violet odora. Purple
Denis canis. Dog tooth violet pink
Primula denticulata
Primrose
Oxslip
Pulmonaria angustifolia azurea Lung wort
Erathroniums. Winter aconitie yellow
Narcissi native
Crocus tomansianus. Delicate pale blue crocus
Hellebores orientalist. Lent rose evergreen
Libertia grandiflora evergreen
Early summer
Erysimum ‘Bowles Mauve’ evergreen
Alchemilla mollis
Nepeta racemise ‘Walkers Low’
Rosmarinus officinalis. Rosemary trailing and bush
Geranium macororrhizum
Tellima grandiflora
Brunnera ‘Jack Frost’
Hostas large tough varieties
Geraniums various flowering varieties
Summer interest
Liriope muscari evergreen
Sedum ‘Autumn Joy’
Bergenia cordifolia
Fushias hardy varieties
Persicaria
Ferns
Asplenium scolopendrium Evergreen. Dry shade
Polystichum proliferum
Polypodium vulgare. Dry shade
Dryopteris felix mas. Dry shade
Matteuccia struthiopteris. Shuttle cock fern
Polystichum aculeatum Evergreen
Polystichum ‘Herrenhausen’. Dry shade
Trees
Trachycarpus fortunii. A Victorian must have !
Araucaria Araucanian. Monkey puzzle and another!
Ilex aquifolium Holly
Malus ‘John Downie’. Crab apple
Crataegus laevigata ‘Rosea Flore Pleno. Double hawthorn pink
Prunus Adium. Spring flowering
Euonymus Europaeus
Euonymus Alatus. autumn colour
Cotoneaster frigidus ‘Cornubia’ Evergreen red berries
Shrubs
Viburnum x burkwoodii scented flower Spring
Viburnum Davidii Evergreen
Sambucas nigra ‘Instant Karma’ variegated elder
Hypericum ‘Hidcote’ yellow summer flower
Hypericum x moserianum
Philadelphus ‘Belle Etoile’ orange blossom flowing in May
Elaegnus x ebbingei. Evergreen
Ribes sanguinium ‘King Edward’. Spring flowering
Olearia x haastii. Evergreen
Scuba japonica ‘Roseanne’. Evergreen
Osmanthus x burkwoodii evergreen
Sarcococca confusa. Evergreen
Prunus Lusitania angustifolia. Evergreen
Viburnum Tinus. Evergreen
Cornus alba ‘Elegantissima’. Red stem dog wood
Cornus stolonifrta ‘Flaviramea’ Green stem dog wood
Corylus aveliana Beech
Prunus Spinosa Black thorn
Viburnum oculus. Guelder Rose
Rosa rugosa ‘Alba’
Rosa canina. Single dog rose
Ligustrum ovalifolium. Privet
Taxis baccata. Yew
The following is an extract from Alpine Flowers for English Gardens by William Robinson and published in London by John Murray, Albermarle Street in 1870
Source: https://archive.org/details/alpineflowersfo00robigoog
(Ed: I have corrected a few original typing/printing errors and introduced emphasis where helpful).
Part I – The Rock Garden (pages 24-26
Popular and almost universally cultivated as hardy ferns are, however, it is not at all common to see some of the most noble and interesting of them – The Royal Fern and several other Osmundas – otherwise in a shabby, or at best in a half-developed, condition.
Mr A Parsons, of Danesbury, a well-known florist and cultivator of ferns, has overcome this difficulty, and narrates his marked success in the pages of the ‘Florist and Pomologist’ [fruit grower].
He formed a very large fernery in an old chalk pit, and with much success; but notwithstanding all the care taken of the Osmundas and allied ferns, they were tried for four seasons with no satisfactory result, the roots of the surrounding trees robbing them of both soil and water.
“A change was then made: a piece of ground, of irregular shape, large enough to contain about twenty plants, was staked out, and the mould, or more correctly speaking, the chalk, was removed to the depth of three feet; a bricklayer followed, and put in a floor of three bricks laid on the flat, set in good Portland cement, and over this a layer of plain tiles, the sides being made up to the ground level with a four-and-a-half-inch wall, well built up in the same kind of cement; this made the whole water-tight, and prevented the roots of the surrounding trees from penetrating and robbing the ferns of their moisture.
The space was filled up with earth, compounded of good loam, peat, and leaf-mould, in equal proportions, with about one-fifth of good rotten manure added thereto; these ingredients were thoroughly mixed and well trodden in, and then the ferns were planted.
In forming this bed, provision was made for the escape of the surplus water, by introducing into the front wall, at about four inches from the bottom, a common three-inch drain-pipe, which communicated with a small tank, about three feet square, sunk into the chalk, so that all waste water became absorbed. This method proved to be eminently successful, the plants far surpassing in size any I have ever seen under artificial cultivation and judging from report, rivalling their growth in their natural habitats.
Last season I could boast of Osmunda regalis with fronds at least eight feet in length, Osmunda spectabilis four feet and a half, Osmunda Claytoniana five feet, Osmunda cinnamomea three feet and the beautiful Osmunda regalis, var. cristata, three feet in length. Adiantum pedatum grew from two to three feet in height, and others were proportionally fine. The plants were not drawn up by being planted closely together, but were placed at a fair distance apart, and became handsome and noble specimens.
Every spring, I apply a dressing of about two inches of rotton manure to the surface, and just cover it with mould for the sake of appearance. This artificial swamp is the admiration of all the visitors here. The plants are always in a healthy and vigorous state, and have none of that half-starved appearance so frequently to be seen. The result of my experience induces me to believe that a more liberal treatment would not be found objectionable in the cultivation of many more of our native ferns.
I intend making the experiment this season, and may possibly find time to make known what amount of success I may meet with. In concluding my remarks upon which I may term ‘growing Osmundas under difficulties’ I would observe that the points to be principally attended to are:
Even the rare Killarney fern, usually kept in houses may be grown successfully in a cave in the rock-garden ….