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.
Because the roots of potted Boston ferns have less protection from the cold than plants in the ground, potted Boston ferns need to be brought indoors when night temperatures drop to 62 degrees, or they will be damaged by the cold. Boston ferns planted in the ground can survive temperatures as low as 30 degrees.ecause Boston ferns are tropical plants, they cannot tolerate frosty temperatures. The best frond growth occurs when nightly temperatures do not drop below 65 degrees Fahrenheit.