gram. 1  the basic unit of mass in the metric system, equal to 0.03527 ounce (0.0022046 pound or 15.4321 grains): now defined in the SI system as 0.001 of the mass of the standard international kilogram (a platinum-iridium cylinder kept in France): one pound equals 453.5924 grams: abbrev. g.
1 Light: Hibiscus are full-sun plants. Lack of sunlight can cause overall yellowing of the leaves. On the other hand, if the plant is getting sunburned, the leaves can get yellow or white splotches.  Insect Infestation: Spider mites and aphids are two major pests of hibiscus that can cause leaf damage and discoloration.
All species of perennial hibiscus grow well from fresh seed, which can be sown in autumn or late winter within U.S. Department of Agriculture plant hardiness zones 7 to 10.The seeds sprout in approximately one month and the resulting seedlings will bloom during their first year in the garden.. Gather perennial hibiscus seeds in autumn when the papery seed husks dry out and begin to split open. Sow the seeds immediately, or store them in a cool, dry place until twelve weeks before the last spring frost.