Tag Archives: moss beach

A day at the Beach

This past week I took a few days from my normal shady seclusion and spent some time in the sun at Holden beach. Located on the southeastern shoreline of North Carolina, Holden is a small island of about 3.4 square miles and also a turtle breeding sanctuary. A wonderful resort town for lazy vacations and strolling down the beach, it is known as “The Family Beach”. Aside from its family friendly shoreline, Holden is also dune friendly. Protecting the shoreline from erosion, the dunes are anchored by several species of plants adapted to this harsh environment.

Many of these plants are native to the barrier islands of North Carolina and some are introduced. It isn’t a surprise to know that Sea Oates (Uniola paniculata) are routinely planted and protected as a line of defense on the primary dunes that run parallel to the shoreline. Several other species however constitute the secondary dunes and create the unique and fragile eco systems.

Spanish Daggers (Yucca gloriosa), Saltmeadow Cordgrass (Spartina patens), Dune Marsh-elder (Iva imbricata), Largeleaf Pennyworth (Hydrocotyle bonariensis), American Beachgrass (Ammophila breviligulata) and the charming Fire wheel (Gaillardia aristata) all look the part of this desert-like scape. None of these species seem out of place or unexpected to the vacationing families, but a closer look might show a surprising pioneer plant that few would guess belonged. Yep, moss.

If you follow this blog you probably know that mosses inhabit all seven continents and that they grow in extreme environments from the Sahara desert to the Antarctic. Their ability to inhabit the widest variety of conditions on earth, more than any other plant species, is unimaginable. But they aren’t supposed to be at the beach are they? Just as certain species have evolved to tolerate long periods of drought and scorching sun or the deep constant shade of the rain forest, some have adaptive talents for the shifting sands and salt spray of the shoreline.

Aloina aloides, sometimes called Aloe-moss is an acrocarpous species suited for coastal conditions. Even though its habit is perfect for the secondary dunes it is also equipped for duty in the city. Colonies spring up in sandy or poor soiled islands in parking lots across America. These islands in a sea of concrete aren’t much different than their home at the beach. Drying winds and salty spray from de-icing solutions welcome them into a place inhospitable to many other plants. Landscapers’ of these forgotten islands often resort to mulch and gravel to deal with these harsh conditions but mosses, as usual, can take advantage of the lack of competition. Strangely enough, humans inadvertantly  provide conditions for moss by their activity of clearing, building and maintaining of cityscapes. Disturbed soils are fresh territory for colonization, mosses can stabilize these areas and pave the way for other plants to take hold, as they do in the shifting dune sands.

So this fair skinned shade gardener enjoyed a little too much sun as he found himself taking a busman’s holiday at the shore with Aloe-moss at his feet.  Too bad it wasn’t that kind of Aloe!

David Spain a.k.a. Moss Rock

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Unless otherwise noted, all photos are credited to Ken Gergle.