Australian tree fern
kathi_mdgd
16 years ago
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stanofh 10a Hayward,Ca S.F. bay area
16 years agoyoureit
16 years agoRelated Discussions
Australian Tree fern fronds drying up, help!!!
Comments (3)My one australian tree fern is doing well. I am in San Francisco. They may not be getting enough light and root space. My tree fern takes up much root space, and I apply top compost dressing often. It's hard to find something to fill in the deep shade. Ferns are fussy and difficult. I would suggest other shade plants not ferns. Mimulus, for example, can take the shade of other plants, and will work as a ground cover. Can you post a photo of the area?...See MoreAustralian Tree Fern Invasive Species
Comments (0)Australian tree ferns: Plant possible invasive concern by Carolyn Lucas West Hawaii Today clucas@westhawaiitoday.com Wednesday, March 18, 2009 9:07 AM HST Though prized for its distinctive looks and rapid growth, the Australian tree fern is becoming an increasingly common and alarming fixture in Kona neighborhoods, according to a recent islandwide survey by the Big Island Invasive Species Committee's early detection crew. On the underside of its triangular fronds with lacy blades are millions of spores, which breezes -- as well as feral ungulates -- carry far and wide. This tree fern (Spahaeropteris or Cyathea cooperi) is already displacing native forests on Kauai, Maui and Oahu. Watersheds are also being choked. Such propagation is just beginning on the Big Island, said Page Else, spokeswoman for the Big Island Invasive Species Committee. "The tree fern crowds out our native hapuu, the mother of the forest. The soft fibers of the hapuu nurture young native seedlings of native plants like ohia and olapa," she said. "The Australian tree fern has a harder, scaled trunk which doesn't make a good home for seedlings. Consequently, the foreign plant can take over in our forests, changing the forest structure, lessening the number of native plants and decreasing the ability to capture water and provide good water quality in watersheds." It's no wonder that the Australian tree fern appears on a list of the most invasive plants in Hawaii, prepared by the Hawaii State Alien Species Coordinator and the Department of Land and Natural Resources' Division of Forestry and Wildlife. Officials urged people to not cultivate any of the listed species anywhere in Hawaii. The Big Island Invasive Species Committee recently issued an Australian tree fern alert, spreading awareness about the weed and hoping that residents will help prevent its spread. People should report tree ferns by calling the state pest hotline at 643-7378. Those who have purchased the popular ornamental but suffered buyer's remorse and now want to remove it can either snip the bud or cut down the tree fern and treat it with herbicide. "They should be aware that their tax dollars will be put to work combating the rapid growth of this plant in public watersheds as seeds spread out of their yard into other locations," Else said. Two years ago, the Kauai Watershed Alliance contracted the Nature Conservancy to coordinate a response to the invasive tree fern. Crews on foot are sent into valley uplands to remove plants at a cost of $365 per acre. Helicopters with herbicides spray in more remote, dangerous areas. The aerial spraying costs $560 per acre, Else said. James Leary, invasive weed specialist at University of Hawaii at Manoa College of Tropical College Agriculture and Human Resources, has been experimenting with an innovative way to apply herbicide selectively to Australian tree ferns by using paintball guns with a special pesticide formulation. While people may be fond of the tree ferns, a wide variety of noninvasive alternatives, including the native hapuu, can be used as ornamentals. Because each yard is different, residents can visit a nursery and talk to an expert to find the best fit. Many nurseries -- including 15 on the Big Island -- agreed not to sell the tree fern after learning its potentially detrimental impact. For more information, call the Big Island Invasive Species Committee at 933-3345....See MoreAustralian tree ferns
Comments (0)I read in Northern Gardener about a gardener who overwinters Australian tree ferns in his basement. Has anyone tried this with success?...See MoreAustralian Tree Fern
Comments (1)Thats not a very good sign. If it was alive it should have leaves by now. Is the trunk soft. Did it see a lot of cold (they are one of the more tropical tree ferns and cant handle freezing temperatures very well). Maybe it just got tired of growing back since they arent really suppose to lose their leaves every winter, but they are able to. A pic would help a lot. Good luck!...See Morekathi_mdgd
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16 years agokathi_mdgd
16 years agostanofh 10a Hayward,Ca S.F. bay area
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