Interactions between medications (drug interactions) fall generally into one of two main categories: 1  pharmacodynamic : Involving the actions of the two interacting drugs. 2  pharmacokinetic : Involving the absorption, distribution, metabolism, and excretion of one or both of the interacting drugs upon the other.
Ideal Temperature Range. The best temperature range for growing a successful lemon tree is between 77 and 86 F. Photosynthesis processes peak at the 86 F. Lemon trees prefer warm weather because it is typically coupled with sunny days for optimum fruit production.
Lemon trees (Citrus limon) grow in U.S. Department of Agriculture zones 9 through 11. The time of year when the tree is planted, the type of care it receives and the conditions where it is grown all contribute to the success of the tree. Lemon trees are best planted at the end of winter or beginning of spring. Planting Seedlings The optimal time for planting a lemon tree is in the late winter or early spring. Still, lemon trees can be planted at any time of year, as long as proper precautions are taken. Lemon trees planted in summer or during the hottest time of the year must be watered frequently and need to be carefully monitored to ensure that the soil doesn't dry out.