Question

Differences between short day and long day plants

Answer 1

For example, chrysanthemums, goldenrods, poinsettias, soybeans, and ragweed are short-day plants. Long-day plants form flowers when the daysbecome longer than a certain, critical length; they bloom in spring and early summer. For example, clover, irises, and hollyhocks are long-day plants.

Answer 2

SHORT DAY PLANTS
THESE PLANTS FLOWER WHEN THEY EXPOSED TO LONG PERIOD OF DARKNESS AND SHORT PERIOD OF LIGHT.
THESE NEED LESS THAN 12 HOURS OF DAY LIGHT TO START FLOWERING.
LONG DAY PLANTS
THESE REQUIRE LESS DARKNESS TO GENERATE THE REACTION NEEDED FOR PRODUCTION.
THESE NEED ABOUT 8 HOURS OF DARKNESS TO START FLOWERING.