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WELCOME TO AD HOC PLANTS
     
GENTIANA Gentianaceae
 Gentiana acaulis 'Alba' 9cm...£3.50
 Gentiana acaulis 'Holzmannii' 9cm ... £2.50
A free-flowering form with very large sky-blue chalices on deep green, creeping mats of foliage
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 Gentiana acaulis 'Rannoch' 9cm ... £2.50
A very tidy and compact growing form, capable of flowering on and off throughout the year; the main show is in Spring though, when the huge bright blue goblets sit upright on the dark, lustrous green mats. Selected by J.H. Stitt from Scotland. Sun in a moist, peaty soil.
Gentiana acaulis 'Undulatifolia' 7cm...£2.50
Compact clumps of deep green, wavy-edged leaves and blue flowers.
 Gentiana algida sold out
Gentiana 'Amethyst' 8cm...£3.00
Gentiana asclepiada var. alba 1ltr...£3.50
Gentiana asclepiada 'Pink Swallow' 1ltr...£3.50
 Gentiana burseri 2ltr ... £3.25
A robust, eighteen-inch perennial from the Pyrenees. Glossy pointed leaves beneath a stem of dusky yellow, bell-shaped flowers dotted inside with brown markings. Moist, rich soils in sun or part-shade.
Gentiana clusii 9cm ... £3.00
A plant from limestone regions with large unmarked, rich blue flowers in late Spring.
Gentiana 'Compact Gem' 8cm...£3.00
 Gentiana cruciata 1ltr...£3.50
 Gentiana dahurica 1 ltr ... £3.25
( syn. G. kurroo ) A strong-growing Gentian with upright, pale green foliage beneath heads of purple-blue flowers in August.
Gentiana 'Dark Hedgehog' 7cm...2.50
Gentiana dendrologii sold out
Unflowered as yet, but hopefully creamy white flowers held in compact heads over clumps of deep green leaves.
Gentiana dinarica 9cm ... £2.50
I find this flowers quite regularly throughout the Summer. Deep green, slightly waxy foliage beneath two-inch wide open trumpets of rich royal blue.
 Gentiana 'Eugen's Allerbester' 7cm...£3.50
Gentiana gelida 1 ltr ... £3.50
Quite a late flowering gentian from moist meadows in Turkey. Has proved a valuable addition to the rock garden with pale creamy-yellow flowers, flashed with green and deeper yelow markings.
Gentiana grosheimii 1ltr...£2.75
A fine Autumn-flowering species: from a central resting bud, emerge prostrate stems of grey-green leaves which terminate in August in several deep blue flowers.
 Gentiana x hexafarreri 9cm ... £2.50
Seed grown and as yet unflowered; but should have pale blue tubular flowers in Autumn.
 Geniana 'Lucerna' sold out
 Gentiana lutea 8cm... £3.00
A glorious, dramatic plant for moist, rich soils. Massive pleated leaves clad the two-foot stems and are topped by several heads of large pouched flowers of rich yellow. I wouldn't be without it since seeing a large stand many years ago at Harlow Carr.
 Gentiana x macaulayi 'Kidbrooke Seedling' 9cm ... £2.75
An old variety forming a compact, narrow-leaved carpet and good sized, pale blue, striped flowers.
Gentiana macrophyllum 9cm...£3.50
Seed grown from a Chadwell collection.
 Gentiana microdonta 9cm ... £3.50
Narrow tubular, steel blue flowers are held in terminal heads on upright, leafy stems.
 Gentiana moorcroftiana 2 ltr ... £3.00
Spear-shaped leaves and three-quarter inch mid-blue, tubby flowers. Sun in a peaty soil.
Gentiana oreodoxa sold out
 Gentiana paradoxa 9cm...£3.50
Erect stems clad in numerous, narrow linear leaves and in late summer, the terminal buds burst to reveal one, two or three pale blue trumpets striped with olive-green. A refined plant for a sunny position in good soil.
Gentiana prolata 9cm...£3.50
 Gentiana punctata 1 ltr...£4.50
Slow-growing, tap-root forming species of upright stems clad in pairs of deep green leaves and terminating in yellow, purple-spotted flowers in late Summer.
 Gentiana septemfida 9cm ... £2.25
From a steadily increasing central crown, emerge procumbent, leafy stems each of which produces good sized flowers of purple-blue. Ideal for a sunny rock garden or traipsing over the side of a raised bed or trough.
Gentiana setigera sold out
Gentiana sino-ornata 9cm ... £2.25
For flower-power in Autumn you can't do much better than grow a selection of these Gentians; make slowly spreading carpets of soft green growth and large flowers in varying shades of blue.
Gentiana sino-ornata 'Edith Sarah' 9cm ... £3.00
Gentiana straminea 9cm...£3.50
A relatively vigorous species making ten-inch stems clad in narrowly oval leaves and white flowers in early Summer.
Gentiana stragulata 7cm...£3.75
 Gentiana sundermanii 9cm...£2.50
 Gentiana tibetica 1 ltr...£3.00
Forms a basal rosette of large prominently veined leaves and a two-foot tall spike of greenish white flowers. Part shade is best.
Gentiana triflora 9cm...£3.50
Gentiana 'Violette' 7cm ... £2.50
A form selected and named for the distinct colouration of its flowers - rich violet, open bells in late Summer, early Autumn, over healthy green foliage.
 Gentiana 'White Dream' 8cm...£3.00
Gentiana yakushimensis 1 ltr ... £2.75
I obtained this plant originally under a different name ( G. moorcroftiana ) but have since seen it grown in several gardens under this title. Whichever is correct, it forms a strong-growing clump of deep green leaves and sturdy six-inch stems carrying heads of open, pale yellow flowers. Moist soil in sun or part-shade.
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