Notice

Colin Mills, compiler of the Hortus Camdenensis, died in late November 2012 after a short illness. As he always considered the Hortus his legacy, it is his family's intention to keep the site running in perpetuity. It will not, however, be updated in the near future.

Plants in the Hortus

Many of the plants described here were listed in the catalogues of plants published by Sir William Macarthur in 1843, 1845, 1850 and 1857 and in an unpublished catalogue dated 1861. A large number of additional plants were identified from correspondence, gardening notebooks and other documents surviving in the archives. The Hortus attempts to describe all the plants grown in the gardens at Camden Park and those grown in horticultural enterprises such as orchards and vineyards and includes plants grown outside the gardens in the park-like environs of the Camden Park estate. The Hortus plants served a wide range of purposes in the 19th century household; as ornament, living fences, fibre, dyestuffs, medicines, food and drink from the garden, orchard and vineyard and many others.

Rhododendron ovatum (Lindl.) Planch. ex Maxim.

Medium sized to large evergreen shrub with dark green, hairless leaves, abruptly ovate or heart-shaped at the stalk, and solitary, saucer-shaped, white, pink or purple flowers with purple spots in summer.  To 3.5m.  [RHSD, Hortus, Hilliers', Millais].  

Rhododendron pallida Dümmer

‘A pretty lilac, flowers large.  Plant six feet by three.’  [FC p.136/1848].

Rhododendron phoeniceum G.Don

Described as a good species by Lee.  Rhododendron phoeniceum as described by Lee is an evergreen, tall-growing, early-flowering azalea with scarlet-red flowers.  This accords with the description given by Galle, who believes that it is probably a hybrid with Rhododendron mucronatum as one parent.  A large shrub, to 3m, with purple flowers, the upper segments of which are spotted. 

 

Rhododendron ponticum L.

Vigorous, evergreen shrub with lance-shaped leaves, to 18cm long, and trusses of up to 15 broadly funnel-shaped, lilac-pink to reddish-purple flowers, spotted yellowish-green inside, in early summer.  To 8m.  [RHSE, Hortus, Hilliers’, Don].

Rhododendron ponticum L. var. album

See Rhododendron ponticum L. for details of the species.  White flowered forms occasionally occur naturally.  [RHSD].  

Rhododendron ponticum L. var. roseum

See Rhododendron ponticum L. for details of the species.  Presumably a variety with pink flowers although I have found no specific reference to roseum.  Hilliers' describes the colour of the flowers of R. ponticum as varying from mauve to lilac-pink.  

Rhododendron pulchrum Sweet

A small to medium bush with rose-purple flowers with dark spots, 5-6cm across, borne in clusters of 1 to 4, introduced into England in 1824 and not known in the wild.  [Hortus, Hilliers']. 

 

Rhododendron species unidentified from China

I have found no further information on this azalea.

Rhododendron viscosum ‘Violae-odora’

Treated here as a cultivar of Rhododendron viscosum Torr. but may be naturally occurring. See Rhododendron viscosum Torr. for more detail.  A deciduous azalea with hairy shoots, elliptic leaves, to 3cm long, often glaucous beneath, and trusses of up to 12 tubular or funnel-shaped fragrant white flowers suffused with pink, to 3cm long, appearing after the leaves in summer.  To 2.5m.  [RHSE, Hilliers'].  Violae-odora is presumably a form considered to have the scent of violets.

Rhododendron viscosum Torr.

Deciduous azalea with hairy shoots, elliptic leaves, to 3cm long, often glaucous beneath, and trusses of up to 12 tubular or funnel-shaped fragrant white flowers suffused with pink, to 3cm long, appearing after the leaves in summer.  To 2.5m.  [RHSE, Hortus, Hilliers'].  

Rhododendron x alterclerense ‘Aurorae’

Probably a cultivar of Rhododendron x alterclerense Lindl. Listed in the 1836 edition of Loddiges’ Nursery catalogue as Azalea hybridae altaclerensae aurorae under Hardy Trees & Shrubs.  I have found no specific description of this azalea.

Rhododendron x alterclerense ‘Coccinea Nobilis’

This plant is almost certainly one of the early Highclere hybrids known collectively as Rhododendron x alterclerense Lindl.  Azalea hybridae altaclerensae coccinea nobilis is listed in the 1836 Loddiges’ Nursery catalogue, a copy of which is held at Camden Park [CPA].  It is not listed in the 1830 edition.  I have found no specific description of this azalea.

Rhododendron x alterclerense ‘Govenianum’

A cultivar of Rhododendron x alterclerense Lindl. ‘This hybrid was raised in the collection of the Earl of Caernarvon at Highclere by J. R. Gowen from seed of “A. nudiflora or A. viscosa … fertilised with the pollen of a hybrid Rhododendron between R. ponticum and R. cataubiense.”  The leaves are evergreen or scarcely deciduous, elliptic-oblong or lanceolate-oblong, pubescent on both sides when young, glabrous above and glossy when old.  The flowers are light purple, rather small, with a comparatively long and narrow tube.  From the illustration it is impossible to judge whether R. nudiflorum or R. viscosum is one of the parents.’ [Wilson and Rehder p.189]. 

Rhododendron x alterclerense ‘Regalis’

Presumably a cultivar of Rhododendron x alterclerense Lindl., but I have found no specific description of this azalea.

Rhododendron x alterclerense ‘Thyrsiflora’

Probably a cultivar of Rhododendron x alterclerense Lindl. Listed in the 1836 edition of Loddiges’ Nursery catalogue as Azalea hybridae altaclerensae thyrsiflora under Hardy Trees & Shrubs.  I have found no description of this azalea.

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