At high latitudes, the shorter warm season commonly results in one mid-summer bloom.
Herbicide control was introduced on an "ad hoc" basis during the mid-summer months.
The flowers are white and appear in mid-summer.
Up to four generations can develop in one year, with eggs developing into adults in as few as 35 days in mid-summer.
By mid-summer some birds start returning to the northern hemisphere.
Troops were to be operational by mid-summer 1910 on a small scale.
Mid-summer evenings are typically considered a graveyard slot for television series.
The flowers are white, 3-4 cm diameter, and (also unusually) have "four" (not five) petals; flowering is from late spring to mid-summer.
