Deparia acrostichoides — a medium houseplant, prefers full sun light
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Deparia acrostichoides

Deparia Acrostichoides

Updated · 43 observations
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Deparia acrostichoides, commonly known as the silvery spleenwort, is a fern species native to North America. This small to medium-sized fern typically grows in clusters and can reach heights of up to 60 cm. Its triangular fronds are silvery-green and finely divided, giving the plant a delicate appearance.

Silvery spleenwort thrives in moist, shady environments such as forests, stream banks, or rocky slopes. While it can tolerate some sun, it prefers partial shade. It is easy to grow and maintain, making it suitable for both gardens and indoor spaces.

Traditionally, Deparia acrostichoides has been used in medicine for its anti-inflammatory properties and to treat ailments such as coughs and colds.

Overall, Deparia acrostichoides is an attractive fern species with delicate foliage, enhancing the beauty of any garden or indoor space while offering potential medicinal benefits.

A note from PlantMom

Silver false spleenwort has good resistance to disease and is generally not prone to illnesses. However, it can be affected by pests and diseases present in its environment, though these problems are usually mild. Regarding care, the plant needs moderate maintenance. It should be pruned regularly to maintain an attractive appearance and healthy growth. Fertilizing can also encourage blooming. Silver false spleenwort is well suited to people with outdoor areas like a garden or patio and does not demand extensive plant care experience. It may, however, need more attention when kept indoors.

— PlantMom
CARE GUIDE

How to keep Deparia Acrostichoides.

Light

Silver false spleenwort prefers open sites with unfiltered, abundant sunlight. It can, however, tolerate locations with reduced light or where light is limited. In its natural setting it copes with a range of light levels. Too much light or too little can hinder its growth, producing a thick, unhealthy appearance.

Water

Silver false spleenwort thrives in consistently moist soil, similar to its natural habitat on the forest floor. To keep it healthy, water the plant weekly, particularly during its active growing period. While it can tolerate moderate drought, it is best grown indoors where you can more easily control the environment to maintain stable moisture levels.

Temperature

Silver false spleenwort is native to habitats with mild temperature fluctuations and prefers temperatures from 32 to 90 °F (0 to 32 °C). In colder months it may need insulation or to be grown indoors to maintain suitable temperature conditions.

Fertilizer

One application of fertilizer in spring is typically enough for Silver false spleenwort, although several feedings can boost growth to its fullest. Apply fertilizer every month to a month and a half. Fertilizing improves the leaves’ appearance and performance, helping maintain even color and a healthy texture. It also encourages root development and nutrient uptake, supporting the plant’s long-term health.

Pruning

To encourage healthy growth and improve appearance, prune silver false spleenwort between early and late spring. Start by removing dead fronds to enhance airflow and reduce the risk of disease. Concentrate on thinning out crowded areas to ensure even distribution and optimal sunlight exposure. Avoid overcrowding to help maintain the overall health of the plant.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Deparia
Family
Aspleniaceae
Hardiness Zone
3-8
Mature Height
61 cm to 91 cm
Mature Spread
46 cm to 91 cm
Leaf Color
Green, White
Leaf Type
Deciduous
Planting Time
Spring, Summer, Autumn
ALSO KNOWN AS

Other names.

en Silver False Spleenwort en Silvery Spleenwort en Silvery Glade Fern
FREQUENTLY ASKED

Reader questions.

How should I water my Silver false spleenwort?

To properly water the Silver false spleenwort, it is recommended to use filtered water at room temperature. Tap water may contain harmful particles that could negatively affect the plant's health. Since the Silver false spleenwort originates from a warm environment, it is best to avoid cold water, which may shock the plant. Additionally, overhead watering should be avoided to prevent issues with the foliage. Instead, it is better to thoroughly soak the soil with filtered, room temperature water. This helps moisturize the roots and promote their growth and nutrient absorption.

What are the sunlight requirements for Silver false spleenwort?

Silver false spleenwort thrives best in locations that receive full sunlight, which means above 6 hours of sunlight daily, but it can also adapt to partial sun and full shade conditions, approximately 3-6 hours of sunlight. The plant has a natural ability to manage varying levels of light in its native habitat. It's essential to observe the movement of sunlight in your garden to select the best spots that offer the right balance of light for the plant, ensuring optimal growth and health.

What is the Silver false spleenwort?

The Silver false spleenwort, botanically named Deparia acrostichoides, is a plant native to environments that experience mild temperature variations. It flourishes in temperatures ranging from 32 to 90 °F (0 to 32 °C). This plant has strong cold resistance, meaning it usually doesn't require special frost protection measures during winter. However, to protect it from temperatures dropping below -35°C, insulating measures like covering the plant with soil or straw and ensuring the soil is moist before the first freeze of autumn are recommended.

What should I do if I give my Silver false spleenwort too much or too little water?

Silver false spleenwort can be negatively affected by both overwatering and underwatering, but overwatering is more common. Overwatering can cause wilting and yellowing of the stems and leaves, and can also lead to diseases like root rot, mold, and mildew, which can be fatal. On the other hand, underwatering is less likely with this plant due to its drought tolerance. However, if underwatering does occur, the leaves may become brittle and brown. It is important to quickly identify signs of overwatering to prevent irreversible damage. If you notice early signs of overwatering, reduce your watering schedule immediately and check the soil's drainage. If the soil does not drain well, replace it with a loose, well-draining potting mix. Conversely, if your plant shows signs of insufficient water, simply increase your watering frequency until the signs disappear.

How does artificial lighting affect the growth of indoor Silver false spleenwort plants?

For Silver false spleenwort plants grown indoors, especially in conditions where natural sunlight is insufficient, artificial lighting can be a critical solution. During the winter or in spaces with limited sunlight exposure, artificial lights such as LED, which can be customized to provide the specific wavelengths needed by plants, promote healthier and faster growth. The general guidelines suggest that full sun plants require 30-50W per square foot, partial sun plants need 20-30W per square foot, and full shade plants need 10-20W per square foot. Additionally, the artificial light source should be placed 12-36 inches above the plants and kept on for 8-12 hours a day to mimic natural sunlight conditions as closely as possible.

How does low temperature affect Silver false spleenwort and what are the solutions?

Silver false spleenwort is notably cold-tolerant and thrives best when the temperature remains above 0°C. It should not be exposed to temperatures below -30°C during winter, and at temperatures falling below -35°C, the plant does not usually show immediate changes, but there might be a decrease in sprouting or even no sprouting in spring. If this happens, it is advised to remove any parts of the plant that have failed to sprout in spring as a remedy.

How frequently do I need to water my Silver false spleenwort?

If your Silver false spleenwort is in a pot, the most precise way to determine if it needs watering is to stick your finger into the soil. If the top two to three inches of soil are dry, it's time to water. For outdoor-grown Silver false spleenwort, you can use a similar method. Once the top few inches of soil have dried out, it's time to water. Typically, in spring and early fall, you'll need to water this plant about once a week. However, during extremely hot weather, you may need to water it twice or more per week. It's worth noting that mature, well-established Silver false spleenwort plants can endure drought quite commendably.

What are the symptoms of inadequate lighting in Silver false spleenwort?

When Silver false spleenwort receives insufficient light, several symptoms may manifest. These include the growth of smaller new leaves compared to mature ones, leggy or sparse growth with increased spaces between leaves or stems, faster leaf drop to conserve resources, delayed or ceased new growth, and pale new leaves indicating a lack of chlorophyll. Additionally, excessive sunlight can cause chlorosis or yellowing of leaves, sunscald with pale or necrotic areas on plant tissue, leaf curling as a defense mechanism against water loss, wilting due to increased transpiration, and leaf scorching with brown, dry edges.

What effects do high temperatures have on Silver false spleenwort and how can they be mitigated?

During summer, it is crucial to keep Silver false spleenwort below 32°C. Temperatures above 35°C may cause the leaves to lighten in color, curl, become prone to sunburn, and in severe cases, the entire plant may wilt and dry out. The solutions to these issues include trimming away sunburned and dried-up parts of the plant, moving it to a shaded location or using a shade cloth to protect it from midday and afternoon sun. Additionally, to ensure the plant remains healthy, water it in the morning and evening to keep the soil moist.

How much water does my Silver false spleenwort plant require?

To properly water your Silver false spleenwort, make sure to give it a generous amount of water. Wait until the first two to three inches of soil are dry before watering. When you do water, make sure to thoroughly soak the soil. You should add enough water so that it flows through the drainage holes at the bottom of the pot. If you don't see any excess water draining, it means you haven't watered enough. However, be careful not to let the water accumulate inside the soil, as this can harm the plant. On the other hand, if the water doesn't drain properly, it could be a sign of poorly draining soils. It's important to avoid this, as it can negatively affect the plant's health. If the plant is outside, 1 inch of rain per week should be enough.

What are the solutions for sunlight-related issues for indoor, outdoor, and ground-planted Silver false spleenwort?

To address sunlight-related issues in Silver false spleenwort, different strategies are recommended based on the plant's location. Indoor plants can benefit from gradually moving them to sunnier spots to achieve at least 6 hours of sunlight daily, using a south-facing window, and considering artificial lighting if necessary. Outdoor plants should also be moved gradually to sunnier locations to prevent sunburn, adapting over time. For plants in the ground, reducing obstructions such as pruning trees and possibly transplanting to a brighter location with good drainage can improve sunlight exposure. It's important to note that damaged parts of the plant may not recover, but new growth should be healthy with adequate light adjustment.

How do I water my Silver false spleenwort at different growth stages?

The water requirements of the Silver false spleenwort can vary depending on its growth stages. In the early years or after transplanting, it needs more water to support the growth of new roots. These roots are crucial for future growth and perform best with slightly higher moisture. However, as the plant matures over a few seasons, it will require less water. Another stage where it may need increased watering is during the bloom period, as flower development relies on a significant amount of moisture.

PLATES
Deparia acrostichoides leaf
PLATE 01 · leaf
Deparia acrostichoides leaf
PLATE 02 · leaf
Deparia acrostichoides fruit
PLATE 03 · fruit
Deparia acrostichoides habit
PLATE 04 · habit
Deparia acrostichoides habit
PLATE 05 · habit
ALSO IN THE LIBRARY

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