The average sea surface temperature in April 2017 for Cancun was 84.0Â°F. The maximum and minimum values were 83.0Â°F and 85.4Â°F respectively.
Boston ferns have become a plant of choice for savvy shade-loving gardeners. This fern will consistently give stunning results with minimal effort, no dead â heading and a calming resting place for the eye to settle.oston ferns have become a plant of choice for savvy shade-loving gardeners. This fern will consistently give stunning results with minimal effort, no dead â heading and a calming resting place for the eye to settle.
Shade. Many ferns tolerate partial sunlight but perform best in shade. For example, Japanese holly fern (Cyrtomium falcatum Rochfordianum), hardy in U.S. Department of Agriculture plant hardiness zones 6 through 10, is a shade-loving fern with deep green, holly-like fronds measuring as long as 30 inches.assel fern (Polystichum polyblepharum) is a striking, 18- to 24-inch fern that grows best in full or partial shade. Tassel fern grows in USDA zones 5 through 8. A sturdy fern that prefers shade, deer fern (Blechnum spicant) grows in USDA zones 5 through 8.