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Ferns – How to Plant Bare Root Ferns

Ferns mainly grow in lightly to fully shaded areas. They prefer moist, humus-rich soil with a slightly acidic pH (pH range 5.3 to 5.5). Sphagnum peat moss is good to add to the soil to retain moisture and will add some acid to the soil as it decomposes.

Not only should the hole be large enough to support the frond, but it should allow at least an inch or two from the top of the frond to the top of the hole. Smaller ferns, like Maidenhair, can be planted 18-24 inches apart. Ostrich, Christmas ferns, and royal ferns grow larger and should be planted no closer than 24 inches apart.

Cover with a good layer of mulch (shredded bark mulch, aged compost, or aged manure mix) or a light layer of straw to add moisture and keep the soil cool. Water as needed to keep the soil moist.

As the soil warms up in late spring, the fronds will begin to sprout.

Which end of the tuber is facing up? Sometimes the tip is visible at the top and other times there will be root hairs extending from the bottom. In case of doubt, the tuber can be planted in a lateral position.

Cutting the fall die to the ground and applying a new layer of mulch will help protect the fern tubers from coming out of the ground during winter freeze / thaw cycles, as well as from squirrels or other critters that dig them up for food of winter.

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