The plants require a period of dormancy after flowering.
Many plants use this to break a period of dormancy, when the embryo remains inactive.
A hot summer will trigger a period of dormancy, so to keep it flowering keep it shaded from midday sun.
During dry weather its stems curl into a tight ball and the plant enters a period of dormancy.
Until stimulated to grow, the primary egg cell passes through a period of dormancy that may last several years.
Volcanoes: 1944 Eruption of VesuviusIn 1944, after a long period of dormancy, Italy's Mount Vesuvius erupted, causing great destruction.
It was a good way to herald the period of dormancy that lasted from the closing moments of the first half to the start of the closing quarter.
Walter takes up drumming, and begins to feel his zest for life and his appreciation of New York returning after a long period of dormancy.
Spokesmen for Mr. Miller's and Ms. Fields's campaigns shrugged off the sites, which were reactivated last night after a period of dormancy.
After a period of dormancy, they appeared to have regrouped this year, carrying out four assassinations of intellectuals who have spoken out against fundamentalist Islam.
