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All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
I. sodenii is an evergreen, frost-tender, bushy perennial or subshrub to 1.5m tall. Its leaves are narrowly-oval, toothed, up to 15cm long and arranged in whorls of 6-12. White or pale pink flowers, sometimes with darker markings, are borne singly or in pairs, mainly in the summer, at the tips of the stems
I. arguta is an upright perennial to 30cm with fleshy stems and narrowly oval, pointed, dark green leaves with deep veins. Sprays of pale purple, tubular flowers are produced in summer and autumn
I. repens is a creeping evergreen perennial to 20cm high, with fleshy stems bearing small kidney-shaped leaves and hooded yellow flowers to 4cm long in summer and autumn
SunPatiens Compact White Improved is a bushy perennial, 35 to 70cm in height, usually grown as an annual. Leaves are dark green, ovate to lanceolate, with toothed leaf margins. White flowers, 3-5cm wide, appear in summer
I. niamniamensis is a short-lived, evergreen perennial. The flattened, tubular flowers hang below the leaves and have a green, hooded mouth, yellow middle and red, hooked tail
Sunpatiens Spreading Variegated White is a bushy perennial to 50cm tall, usually grown as an annual. Tapering-tipped leaves have toothed margins and striking variegation of green with a central yellow band. Flowers are white, 3-5cm wide, appearing in summer through to autumn
Sunpatiens Spreading Variegated Salmon is a bushy perennial, to 70cm tall, usually grown as an annual. Leaves have tapering tips and toothed margins. Most striking is the green and yellow leaf variegation; the outer margins green surrounding a bright yellow central band. Flowers, 3-5cm wide, in shades of salmon-pink appear in summer through into autumn
Accent Series are compact annuals to 20cm, with large flowers in shades of orange, red, pink, purple, mauve and white, some with a white central star-like marking, in summer
Super Elfin Series are spreading plants, grown as an annuals, to 25cm in height, with single flowers in shades of pink, orange, red and purple
Sunpatiens Compact Electric Orange is a bushy perennial, 35-50cm tall, usually grown as an annual. Dark green leaves have long, tapering tips and toothed margins. Flowers appear over a long period in summer through to autumn, 3-5cm wide, in shades of bright orange
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