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.
Over 200 species of hibiscus exist and most thrive indoors. When growing hibiscus indoors it is important to maintain a consistent temperature. Cool drafts, warm electrical appliances and proximity to heaters or air conditioners can damage hibiscus. Maintain a temperature range of 55 to 75 degrees Fahrenheit.The upper range of temperatures encourages optimal growth.When hibiscus experience bud drop, the main culprits are cold, limited light, excessive heat or irrigation extremes.ome hibiscus varieties are native to the Southeastern United States while others originate in warmer areas of southern China and Asia. All hibiscus plants do well in warm climates where temperatures do not dip below 55 degrees Fahrenheit.