I

Flower colours are indicated using the colours given in The Heather Society's colour chart, with a code of the colour; thus, H9 is the code for the colour called beetroot.

Flowering periods are indicated by Roman numerals from I to XII (each equivalent to a month); thus, for example, IX-XII means September to December (in northern hemisphere).

❁ Indicates double flowers

♤ Indicates bud bloomer

{phrases in brackets are trade designations, or trademarks (with ® appended) used for marketing purposes}


‘Ide’s Double’

❁ Heliotrope (H12) flowers, VII–IX; dark green foliage; open habit; height 31–45cm; spread 46–60cm.

Seedling, probably from 'Ruth Sparkes'; found by R. A. Ide (Camberley, Surrey, England) in Autumn 1974, among a group of 'Ruth Sparkes'; propagated in 1975 and introduced by R. A. Ide about 1976. The original plant died in a drought in 1976.

Named after the finder, Richard ("Dick") A. Ide (1918-1981: Yearbook of The Heather Society 3 (4): 13-16 (1986)), and the double flowers.

‘Inchcolm’

Pink (H8) flowers, VIII–IX; downy yellow-green foliage, with salmon tints in spring; dainty, erect; height 26–30cm; spread 31–45cm.

Seedling; found by J. Proudfoot (then of 9 Inchcolm Terrace, West Lothian, Scotland) before 1985; introduced by Pennyacre Nurseries (Springfield, Fife, Scotland) about 1986.

Named after an island in the Firth of Forth, Scotland.

‘Inchkeith’

White flowers, VIII–IX; bright yellow-green foliage; open, erect habit; height 26–30cm; spread 46–60cm. Named after an island in the Firth of Forth, Scotland

‘Ineke’

Light mauve (H2) flowers, VIII–IX; distinctive, feathery, pale yellow foliage in summer, darkening to bronze-green in winter; height 26–30cm; spread 46–60cm.

‘Inge’

Deep lavender (H3) flowers, VIII–IX; dark grey foliage; stiff, erect habit; height 31–45cm; spread 46–60cm. Differs from 'Grizabella' in having much darker grey foliage. Found at the Hamburg Botanic Garden, Germany, and named after the wife of the finder.

‘Ingrid Bouter’

❁ Heliotrope (H12) flowers, VIII–IX; mid–green foliage. A sport from 'Tib', to which it readily reverts, but the flower colour is slightly more red. Named after the raiser's daughter; height 26–30cm; spread 31–45cm.

‘Inid’

Pure white flowers, with bright yellow foliage, later flowering than 'Golden Angie'. A sport from 'Moulin Rouge' found and propagated by Johannes van Leuven. Named after Inid Schiller, Silber Gartenbau, Ottersburg, Germany.

‘Inshriach Bronze’

Lavender (H3) flowers, VII–VIII; yellow foliage in spring, changing to rich gold in summer, and bronze in winter; height 21–25cm; spread 31–45cm. Recommended.

Found by M. Ramsey (Threave Gardens, Dumfriesshire, Scotland); introduced by Inshriach Nursery (Aviemore, Inverness-shire, Scotland) by 1970.

Named after Jack Drake's nursery near Aviemore, Scotland, and the foliage colour.

‘Iris van Leyen’

Pale mauve (H2) flowers, VIII–IX, sparse; bright yellow foliage turning bronze in winter and spring; broad, spreading habit; height 21–25cm; spread 31–45cm.

‘Islay Mist’

White flowers in short spikes, VII–VIII; dark green foliage; spreading; height 10–15cm; spread 26–30cm. Named after a blended whisky.

‘Isle of Hirta’

Lavender (H3) flowers, VIII; yellow-green foliage in winter, turning golden yellow with red at the base of the leaves in summer; height 10–15cm; spread 26–30cm. Attractive plant but very slow growing.

Wild-collected (collector's no. K43); found on Hirta, St Kilda, by R. J. Brien (Pitcairngreen Heather Farm, Perth, Scotland) in 1966; introduced by the National Trust for Scotland by 1973, and until 2000 named 'Hirta', a name that contravenes the ICNCP (1995, Art. 17.9).

Named after the Island where found

‘Isobel Frye’

Pink (H8) flowers, VIII–IX; yellow-green foliage overlaid with greyed orange darkening to red-orange in winter; spreads reasonably rapidly giving good ground-cover; height 10–15cm; spread 21–25cm. Named after the finder's wife.

‘Isobel Hughes’

❁ White flowers, VIII–X, abundant; bright green foliage; upright, slightly taller than the double whites; height 31–45cm; spread 31–45cm.

Seedling from 'Alba Plena'; raised at Bearsden, Glasgow, Scotland, by Mrs Isobel Hughes about 1971.

Named after the finder.