In this Home & Garden video tutorial you will learn how to care for your garden In March by applying insecticides. John White presents this video. During this time roses get a good growth and along with growth come aphids. For tackling aphids you can a variety of insecticides. One such insecticide is called Rose Defense whose main ingredient is 'neem' which comes from the neem tree. You can also use Rose Food insecticide. This is also the time to fertilize rose plants since they will be getting buds. As for fruit trees, get them the 1st cover spray of insecticide and fungicide with Diazinon Ultra or Malathion or some 'Safer' products. For pine trees, set up traps to attract the pine tip moth. Protect tomato plants from frost with row covers or 'wall of water'.