Ferns are beautiful plants for theater or garden , but if you have young tike be mindful that while some ferns are edible , others are poisonous . Ontario Ferns submit that even " comestible " ferns contain small level of carcinogens and should only be consumed in small amounts . grant to the University of Nebraska Cooperative Extension in Lancaster County , household plants are the third highest generator of poisoning for small fry in home . Select only non - poisonous fern plant for your home and yard .

Royal Fern

regal fern ( Osmunda regalis ) is a non - toxic repeated fern that belongs to the Osmundaceae , or flowering fern , family . The U.S. Department of Agriculture list this fern as toothsome to humans . Royal fern is aboriginal to the eastern half of North America . Royal fern grows from spring through fall as a semi - erect , rhizomatous plant , up to 6 foot tall .

Cinnamon Fern

Cinnamon fern ( Osmunda cinnamomea ) is a non - toxic fern whose fiddleheads – shoot fresh fern plant – are debate edible , according to Ontario Ferns . Cinnamon fern grow up to 5 feet marvellous near wetlands and swamps .

Ostrich Fern

Ostrich fern ( Matteuccia struthiopteris ) belong to the Dryopteridaceae , or wood fern , house . Ontario Ferns states that this native fern is edible in relief . It develop to 5 base in pinnacle in the damp soil of timber areas .

Boston Fern

The University of Nebraska Cooperative Extension name Boston fern as non - toxic . Also know as Boston swordfern , the Boston fern ( Nephrolepis exalta ) is another Ellen Price Wood fern . It is a perennial fern native to Nebraska , Texas , Louisiana and Florida , as well as Hawaii , Puerto Rico and the Virgin Islands .

Hawaii Birdnest Fern

allot to the University of Nebraska Cooperative Extension , the Hawaii bird’s nest fern ( Asplenium nidus ) is also non - toxic . According to the USDA Natural Resources Conservation Service , it belongs to the Aspleniaceae , or spleenwort , kinfolk and it is a recurrent fern that is aboriginal to Hawaii .

Chamisso’s Manfern

This is a fern that grows as a recurrent tree . Chamisso ’s manfern ( Cibotium chamissoi ) belong to the Dicksoniaceae , or tree diagram fern , family and is native to Hawai’i . USDA lists this fern as nonpoisonous to humans . It grows between 10 and 23 metrical unit tall .

Hapu’u

aboriginal to Hawaii , hapu’u is another perennial fern tree in the Dicksoniaceae family . allot to the USDA , it is non-poisonous and grows class - round as an upright individual stem that is 8 to 12 feet tall at maturity .

Growing Ferns

fern grow well in collateral sunlight exposure . It is a unspoiled idea to plant them under the shade of a tree in your yard or indoors near a north or eastern United States - facing window , according to the University of Vermont Extension Department of Plant and Soil Science .

fern prosper in moist , well - drain rich soil and are most comfortable in humid spaces , such as a bathroom or a warm room in the summer . In the winter , use a humidifier to increase the elbow room ’s humidness levels to reanimate a comfy environment for your ferns .

References

…