There are about a dozen of these gardens, more or less extensive, according to the business or wealth of the proprietor; but they are generally smaller than the smallest of our London nurseries. ↗
We are told that the first part of the process is to select the very smallest seeds from the smallest plants, which is not at all unlikely, but I cannot speak to the fact from my own observation. ↗
The popularity of Groupon has almost rendered the group-buying element of it obsolete, because we're able to deliver so many customers that the merchants are very happy with even the smallest number that we can provide. ↗