Watering's never a problem for Kay because she has an in-ground irrigation system. Soaker hoses or drip tubing linked to a timer are a simpler, less expensive option.
And cutting back spent flowers and foliage? Kay minimizes that chore by not being obsessive. She says she never tidies up the marigolds by deadheading. Since she wants the seeds, fading marigolds aren't a problem in her eyes; they are an investment in the future.
Shown: In pots and baskets, tuberose begonias brighten low-light areas well into fall with colorful flowers and intriguing leaves.