Rock Cap Moss

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Planting Zones 4-8
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Rock Cap Moss Description

Rock Cap Moss, Polytrichum Commune Is Exceptionally Tall For Its Species

Rock cap moss, also known as Dicranum scoparium in scientific terms, is an exceptionally tall moss species in high humidity and rainfall regions. Widely distributed throughout the Northern Hemisphere and Oceania, it typically grows in clumps with a broom and other mosses. It is distinguishable by its leaves curve to one side. Rock cap moss can be found across North America (except Labrador, North Dakota, Texas, and Nevada), Europe, Asia, northern Africa, Australia, and New Zealand. This type of moss grows best when manually crumbled, and the manual breaking of the moss signifies it starts the growing process; it will also help the moss grow and spread out on the rock surface better. 

This moss is usually robust and coarse, forming shiny tufts with two to eight cm high woolly stems. The leaf midrib extends to the tip, with four ridges along its back; its leaves are three-pint-five to eight millimeters long, lance-shaped with a long, slender point, and strongly toothed along with the upper third. Most leaves fold and curve to one side, but other times they come off as waves. Capsules are two-point-five to three millimeters long, urn-shaped and curved. The moss capsules are held on mostly-erect stalks eighteen to thirty-five millimeters long, and the operculum, or the capsule lid, is usually longer than the capsule itself. As a bryophyte, the Dicranum scoparium has pluricellular rhizoids (root structure), which help with water absorption and anchor the plant to the ground.

Rock Cap Moss, Polytrichum Commune Is Known For Its Brilliant Emerald Hue, And It Spreads By Itself Even In Freezing Conditions

It is readily visible in the woods, capping the tops and sides of rocks or logs and stumps. It also colonizes thin, infertile, and dry soil. With its vivid emerald hue in winter and spring, the rock cap moss naturally spreads by itself. You can encourage this moss to self-spread if it is already growing on a rock outcropping using an electric leaf blower at low speed to remove leaves and other detritus.

Then sprinkle little bits of the moss on the exposed rock to encourage colonization. Any weeds or small weed trees can be hand removed. The rock cap moss prefers thriving in full shade, so transplant it when leaves are already on the trees, as the sun can dry it off quite quickly. This plant grows atop rocks and boulders, so adopt it as a ground cover instead of grass for shady areas.

Rock Cap Moss, Polytrichum Commune is For Sale at TN Wholesale Nursery with Low Prices and Fast Shipping

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Shipping Information

We dig fresh our plants and ship immediately. We ship US Mail, Priority shipping. You will receive a tracking number once your plants ship. All plants will be fine in their packages for up to 3 days after receiving.

How We Protect Your Plants For Transit

We sell only bare root plants. We dip the roots in tera-sorb silicone gel to retain ample moisture for transit and surround with plastic. This is superior protection for plants in transit for up to 12 days.

Upon Receipt Of Your Plants

Open your plants and inspect the same day received. We offer 3 days to report any problems with your order. Bare root plants need to be planted within 2-3 days of receiving unless weather-related problems prohibit planting. Store in a cool place and keep roots moist and covered with plastic until they can be planted. Water for the first week daily after planting.

Shipping Dates
Ships November through April

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