Giant hogweed was among many foreign plants introduced to Britain in the 19th century, mainly for ornamental reasons.
Heavy purchases of foreign plants and equipment resulted in import restraint from 1980 to 1983.
Economists also note that many American companies export directly from foreign plants, another source of statistical distortion.
Many American bike companies say they must use foreign plants to remain competitively priced.
This was a time when textbooks had few local examples and popular nature books were on foreign plants and animals.
But most firms that use foreign plants take longer, which is why we have chosen eleven weeks as the cycle time of the slower production line.
That certification is followed by annual audits and random visits to foreign plants.
Employees at foreign plants were not affected because sales overseas have remained strong.
Much of the garden, which included foreign and specialty plants, froze during the unusually cold winter of 1708/09.