Continue to plant these vegetables into April, but for the best results, plant early. Las Vegas soils are void of organic matter. Work some organic products, such as peat moss and compost, into the top foot of soil to improve its tilth. Add some nitrogen and phosphorous to boost plants along, and sulfur to counteract alkali. Consider brightening your house with them.
Earlier planting produces prettier blooms that last longer.
Fertilize those in the ground to spur on more flowers. Nip off the fading flowers to generate more blooms as the season warms. It's time to prune your roses, but first, strip the old leaves from the canes to force them into dormancy. Clean up debris and leaves from the area and dormant spray. Afterward, feed the roses.