This section is from the book "Commercial Gardening Vol2", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
This is the common British yellow Marigold - an annual that is capable of looking after itself. The choicer garden varieties, like Meteor, Orange Cockade, Orange King, etc, having splendid heads of rich orange red, are largely grown, the trade consisting in the seeds and young plants in spring.
 
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