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.
Vinca. Glossy leaves, stellar blue flowers, quick coverage -- periwinkle is an ideal coverage for shade. Its only flaw is that it's so popular it's become underappreciated. Prepare the soil well prior to planting and add humus to retain moisture. Keep the plants cut back to encourage bushy growth, and to keep them within bounds. Periwinkle can become invasive.