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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.
'Dainty Marietta' is a dwarf French marigold growing to 35cm in height, with pinnate green foliage and single, bright yellow flowers, each ray with a deep red blotch at the base, from late spring to autumn
Sunburst Series are upright and bushy, to 40cm, with a long flowering season. Foliage is grey-green and the single flowers, to 8cm across and held above the leaves, are yellow, orange or rust red, the petals sometimes striped or edged, surrounding a yellow disc
'Disco Yellow' is a compact French marigold to 25cm in height, with single, bright yellow flowers to 5cm across, from late spring to early autumn
'Safari Tangerine' is a dwarf French marigold with carnation-like flowers of a vivid tangerine-orange from late spring to early autumn
'Zenith Golden Yellow' is upright and bushy, 25-50cm in height, with a long flowering season. The double flowers, to 10cm across, are held above the foliage and are a rich yellow
'Yellow Jacket' is a compact, bushy dwarf French marigold, to 30cm, with a long flowering season. Foliage is grey-green, and the tightly double, crested flowers are bright yellow
Bonanza Series are bushy, dwarf French marigolds, 20-30cm in height, floriferous over a long season. Flowers are double, crested, in a mixture of orange, bronze and rust red colours
T. lucida is a tender, bushy perennial, often grown as an annual, up to 75cm high. Its aromatic, glossy green, linear leaves, to 7.5cm long, are used as a tarragon substitute in Mexican cooking. Clusters of small, golden-yellow flowers are borne in late summer and autumn
'Strawberry Blonde' is a dwarf French marigold, to 25cm tall, with fully double, crested flowers, to 5cm across, in shades of bronzy-red, yellow and peachy-pink
'Tiger Eyes' is a dwarf French marigold to 20cm, with anemone-centred, double flowers, the outer rays mahogany-red, the centre deep yellow, opening from late spring to early autumn
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