Adiantum raddianum, commonly called Delta maidenhair fern, and its cultivars are perhaps the most commonly grown of the non-winter hardy maidenhair ferns. Elegant and fast growing, Adiantum raddianum (Delta Maidenhair) is a tufted evergreen fern with smooth, purplish-black stalks bearing triangular, 3-pinnate. Adiantum raddianum. Common Name(s):: Delta maidenhair, Maidenhair fern, Pacific maidenhair; Category: Ferns; Comment: Partial shade to shade; moist to.

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Make sure the soil is moist before fertilizing. Instead, use a raddianumm substrate. Roots must never be allowed to dry out. Pots may be set in a tray of wet pebbles to increase humidity.

Adiantum raddianum (delta maidenhair fern)

In contrast to diseases, a pest infestation is usually not due to wrong care. It is enough to cut off withered shoots and, if necessary, dried fronds. They are small brown capsules which turn into fine dust in the maturity phase as you touch upon them. A checklist of the total vascular plant flora of Singapore: Roux, ; SNTC, Gobierno de Canarias, Spain: Summary of Invasiveness Top of page A.

Flora of China Editorial Committee, University of Hawai’i Press. They do however make raddianim potted plants, and if you wish to pot yours up, we do have a wide range of pots on our website to choose from.


No serious insect or disease problems. Repot in spring when it has outgrown its pot, using a container that provides good drainage. Unauthorized duplication or publication of any materials is prohibited. It’s easy to divide. Don’t pack the potting mixture; keep it loose to help drainage. Jardim Botanico do Rio de Janeiro. The higher the humidity, the less effort you will have to make when pouring. Drafts and dry adiwntum will cause leaflets to shrivel.

A peat based potting mix is required which includes organic matter. Missouri Botanical Garden Aadiantum Blvd. Increase humidity levels and consider other methods that can provide consistent humidity levels. Use a consistently moist but well-drained potting soil. You should avoid using conventional potting soil for the sensitive maidenhair fern.

Mist twice a day until new shoots appear.

Adiantum raddianum – Plant Finder

It grows on young volcanic soils such as moist cinder and basalt banks. Germishuizen G, Meyer NL, Distribution Top of page In its native range, in tropical and radianum South America, from Mexico down to Argentina, the rsddianum is found from 0 to m Luteyn, ; Zuloaga et al. Naturalized and invasive plant species in the evergreen forests of the East Usambara Mountains, Tanzania.


Frost resistant varieties can remain outside. Laminas are pinnately divided, with the ultimate segments delicate, herbaceous and up to 1 cm wide.

Maidenhair Fern, Adiantum Plant – How to Grow and Care Indoors

Remove any browned foliage immediately. US Fish and Wildlife Service, Type-specific diseases to the maidenhair fern are not known. In adianutm natural woodland habitat they would be adiatnum by trees, but receive some spots of sun. Avoid placing plant in drafty areas or in locations near heat registers. It feels most comfortable in a half-shady place outside, also in the shelter of trees. Big and substantial maidenhair ferns should be put in a clay-containing substrate.

Doing so, you can save the maidenhair fern from dying in most cases.

This beautiful fern adiiantum from rhizomes, that spread quickly just under the surface of the soil. In Hawaii, the fern has a remarkable altitudinal distribution, from 0 to m Palmer, The rot can be recognized by softened root parts and a white covering on the roots.