Adiantum raddianum, the Delta maidenhair fern, is one of the most popular ferns to grow indoors. It is native to South America and its common name comes from its shiny, dark leafstalks that resemble human hair. It typically grows about 17–19 in (43–48 cm) tall and up to 22 in (56 cm) wide. In the wild, it is found on forest floors, rock crevices, river banks, coastal cliffs, and basalt banks along trails and streams.[6] The triangular fronds are semi-erect in the beginning then droop gracefully as they age and can be up to 12 inches (30 cm) long by 6 inches (15 cm) wide. The genus name Adiantum comes from the Greek word "adiantos", meaning "unwetted" (in reference to the leaves)
Adiantum Flagrants Care
Adiantum Flagrants
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How to Care for the Plant
Water
Your best bet when it comes to ensuring your maidenhair fern thrives is to focus on multiple water sources for this thirsty species. Consistently moist soil is a great place to start—from there, be sure to water your fern consistently, either daily or every other day, never allowing the soil to dry out. Keep the fern in a plastic pot with holes, then place the plastic pot in a more attractive outer pot if you wish. This way, you can easily check on the moisture levels in the plastic pot, and the drainage holes will prevent the soil from becoming too soggy.
Pruning
Some gardening advice recommends burning the dead foliage of maidenhair ferns. While it may be successful, it can also be rather dangerous so it is preferable to cut away the dead foliage as directed above.
Fertilizer
It's not necessary to fertilize a maidenhair fern, as the plant will do just fine without it. However, if you wish to provide it with an added dose of nutrients, feed with a balanced, diluted blend once a month, avoiding any feed with too much nitrogen (200 ppm or less), which can cause the tips of the leaves to burn. Additionally, regular trimming and the removal of browned leaves can also help the fern grow denser foliage.
Sunlight
Prefers bright, indirect light such as that filtered through a curtain, can cope in shade but may lose some of its vibrancy.
Soil
Soil pH, Neutral
Temperature
The ideal temperature to provide is between 65-75ºF (18-24ºC) for this plant.
Additional
Below are some of our favorite pet-safe plants that are non-toxic for both dogs and cats. Adiantum fragrans is commonly known as the Maiden hair fern, is one of the easiest Maiden Hair ferns to grown. This delicate and compact little fern has creeping rhizomes that produce clusters of spreading pinnate, lacy, light green fronds on shiny black stalks.
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