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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.
T. erecta is a bushy annual from 50 to 120cm high with pinnate leaves divided into lanceolate leaflets up to 5cm long. Double flowers 5-10cm wide in shades of yellow, orange and white are produced from summer into autumn; both leaves and flowers are aromatic when crushed or brushed
Gold Coins Series are bushy African marigolds to 75cm in height, with pinnate leaves and double flowers to 9cm across, in lemon yellow, light or deep orange, in summer and early autumn
perfection yellow is a compact, bushy annual to 40cm tall with aromatic, dark green, divided leaves and clear yellow, double blooms borne from early summer into autumn
Inca I Orange is an African marigold to 30cm, with large, fully double, bright orange flowers from early summer to early autumn
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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.