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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. 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
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
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
Divine Violet is a bushy perennial, to 40cm tall, usually grown as an annual. Dark green leaves have long, tapering tips and toothed margins. Violet-purple flowers, 3-5cm wide, appear over a long period in summer through to autumn
'Cajun Jambalaya Mix' are bushy perennials grown as annuals, to 50cm tall, and 60cm wide, with simple elliptic leaves. Flowers are to 5.5cm across, in a mixture of 4 colours, scarlet, dark salmon-pink, deep intense pink, and white. Plants are very floriferous and of uniform habit
Sun Harmony Deep Orange is a bushy perennial, to 60cm 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 deep orange
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We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.