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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Maidenhair ferns can be grown indoors – although they’re best suited for growing in a terrarium or within a conservatory “when the correct conditions can be provided”.
These can grow up to 1. The reason the Adiantum raddianum is most suited for growing in a terrarium or within a conservatory is because it thrives in high humidity conditions that are difficult to provide within most rooms in a house. This delicate species is in need of a consistent supply of moisture, from the atmosphere and it’s soil. You’ll find these growing near a water feature in some large buildings and thriving due to it being content with the amount of moisture it’s getting and shade.
There are a number of these ferns grown from the Adiantum genus, with the A. All of these about or more named Maidenhair fern, have similar characteristics and share most of the same care needs to grow well. The Delta maidenhair fern displays kind of triangular shaped arched fronds collection of leaves with many small pinnate leaves that are light green in color.
The black wiry stalks are an interesting characteristic of this species. These stalks give the plant it’s stiff upright tree appearance – although they do arch over once they’ve matured. The most common insect problem is with scale which is noticeable when small brown shells are found of the fronds. Mealy bug can also be an issue. Most likely cause here is dry air and lack of humidity.
Delta Maidenhair Fern – Adiantum Raddianum – Indoor Care And Description
Increase humidity levels and consider other methods that can provide consistent humidity levels. Pale fronds or scorch marks: Pale fronds and scorch marks usually appear when the plant has been exposed to too much sunlight. Fronds also turn pale when the fern is lacking fertilizer.
This is usually caused by lack of water. Water the plant thoroughly and mist the leaves frequently in case dry air is also a problem. Makoyana, C Lancifolia and others.
Home Ferns You’re Here. Delta Maidenhair Fern Maidenhair ferns can be grown indoors – although they’re best suited raddiahum growing in a terrarium or within a conservatory “when the correct conditions can be provided”.
Maidenhair Fern, Adiantum Plant – How to Grow and Care Indoors
Delta Maidenhair Nest Fern common. A place with indirect sun is best suited for this fern. If you can provide a fairly shaded place with small amounts of filtered sun then your on to a winner. In their natural woodland habitat adlantum would be shaded by trees, but receive some spots of sun.
Your fern is best kept well watered and the soil to remain moist at all times. Your likely to have problems if you allow the soil to dry out. A peat based potting mix is required which includes organic matter. If you can sit the addiantum in a larger pot surrounded with peat moss that will also improve the much needed humidity this plant requires.
Feed from April – September with a diluted fertilizer once a month to encourage healthy growth. Once every two years during spring will suffice.
Improve humidity levels by placing the plant on a humidity tray with pebbles or use a humidifier. As mentioned above placing the pot in a larger pot surrounded with peat moss also works double potting. You might just need to test the plant out by trying only misting and one other method and see if any faults arise. When re-potting in spring and when the plant is large enough you can divide sections. When dividing remove a section of rhizome with the plant by cutting “using a sharp knife”.
If you have a mature plant that has produced spores brown spots on the underside of the leaves it’s possible to harvest these, but they’re difficult to propagate.
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