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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.
E. californica is a vigorous bushy, spreading annual to 30cm, with finely divided blue-green leaves and orange, yellow or red flowers to 7cm across in summer
'Dali' is a spreading annual to 25cm, with finely divided grey-green leaves and single, bright scarlet flowers to 7cm across
'Lemon Bush' is a compact annual to 30cm, with dissected blue-green leaves and semi-double light lemon-yellow flowers 5cm wide, the fluted petals paler on the reverse
'Strawberry Fields' is a compact annual to 25cm high with finely-divided, grey-green leaves and semi-double, papery flowers shaded reddish-pink to orange with paler yellow centres
'Appleblossom Bush' is an annual to 30cm tall, with finely divided, blue-green foliage and semi-double cream flowers heavily flushed with pink and streaked with red
Thai Silk Series are annuals with attractively dissected, blue-green foliage and single or more often semi-double flowers 4-6cm wide, in a range of shades of cream, yellow, orange, pink and red, sometimes with a cream centre
'Apricot Chiffon' is a compact annual to 30cm with finely-divided, blue-green foliage and yellow, semi-double flowers with fluted petals, flushed with pink and orange
'Rose Chiffon' is an annual to 25cm tall, with blue-green foliage and semi-double flowers to 6cm across, the fluted petals heavily flushed rose-pink on a cream ground, red on the reverse
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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.