5 garden tips for this week, March 17-23

1 Green is in
Wear green today (Happy St. Patrick’s Day!) as you apply a quarter cup of Epsom salts (magnesium sulfate) to each mature rose bush to boost both vigor and flowering capacity. It is inexpensive and can be found at drug stores, where it is commonly sold as a laxative or for soaking feet. A cup or so spread around citrus, avocado and other fruit trees boosts their performance, too. This little bit once a year is just right, but more is counterproductive, so don’t get carri