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There are many forms of the Japanese painted fern, Athyrium nipponicum Pictum. They have varying degrees of green, dark red, and gray variegation on their fronds and, as a result, they are very popular plants in shade gardens.The variegated holly fern, Arachnoides simplicior var.here are many forms of the Japanese painted fern, Athyrium nipponicum Pictum. They have varying degrees of green, dark red, and gray variegation on their fronds and, as a result, they are very popular plants in shade gardens. The variegated holly fern, Arachnoides simplicior var.
Tree ferns are true ferns. Like other ferns, they never flower or produce seeds. They reproduce from spores that grow on the undersides of the fronds or from offsets. A tree fernâs unusual trunk consists of a thin stem surrounded by thick, fibrous roots.The fronds on many tree ferns remain green throughout the year.In a few species, they turn brown and hang around the top of the trunk, much like palm tree leaves.ike other ferns, they never flower or produce seeds. They reproduce from spores that grow on the undersides of the fronds or from offsets. A tree fernâs unusual trunk consists of a thin stem surrounded by thick, fibrous roots. The fronds on many tree ferns remain green throughout the year.