Dryopteris Marginalis

Description

Dryopteris Marginalis, commonly known as Marginal Shield Fern or Leatherwood Fern, is a deciduous fern species that belongs to the Dryopteridaceae family. This fern species is native to North America and can be found in various habitats such as rocky slopes, woods, and cliffs. It can grow up to 24 inches tall with a spread of 12-18 inches.

Taxonomic Information

Appearance

The fronds of Dryopteris Marginalis are triangular-shaped and leathery, with a dark green color that turns yellow in the fall. Its blade is twice-pinnate, meaning it has two levels of pinnae (leaflets) that are further divided into pinnules. The margins of the pinnules are slightly serrated. Its stipe (stem) is reddish-brown and covered with scales.

Care Guide

Water

Dryopteris Marginalis requires a moderate amount of water. It prefers moist but well-draining soil, so make sure not to overwater it. Water it thoroughly when the soil feels dry to the touch.

Fertilization

This fern species doesn’t require frequent fertilization. You can feed it with a balanced fertilizer once a month during the growing season (spring to fall).

Soil

Dryopteris Marginalis prefers a slightly acidic soil with a pH range of 5.5 to 6.5. It can tolerate various soil types, but it prefers moist, well-draining soil that is rich in organic matter.

Sunlight

This fern species prefers partial to full shade. It can tolerate some morning sun, but avoid exposing it to direct sunlight during the hottest part of the day.

Hardiness Zones

Dryopteris Marginalis can grow in USDA hardiness zones 3 to 8.

Common Pests & Diseases

Dryopteris Marginalis is generally resistant to pests and diseases. However, it can be affected by fungal diseases such as rust, which causes yellow or brown spots on the fronds. To prevent this, make sure to give it enough air circulation and avoid overcrowding. If the disease persists, you can apply a fungicide.

Habitat

Dryopteris Marginalis can be found in various habitats such as rocky slopes, woods, and cliffs. It is native to North America and can be found in Canada and the United States, particularly in the Northeast, Midwest, and Southeast regions.

Question and Answer

Q: Can Dryopteris Marginalis grow in a container?

A: Yes, Dryopteris Marginalis can grow in a container as long as it has enough space for its roots to grow and proper drainage. Make sure to use a well-draining potting mix and water it regularly.

Q: Can Dryopteris Marginalis be propagated?

A: Yes, Dryopteris Marginalis can be propagated through division. You can divide the plant in the spring when it starts to produce new growth. Make sure to use a sharp and sterile tool to avoid damaging the roots.

Q: How often should I repot my Dryopteris Marginalis?

A: You don’t need to repot your Dryopteris Marginalis frequently. You can repot it every two to three years or when it outgrows its current container. Make sure to use a slightly larger pot and fresh potting mix.

Q: How can I overwinter my Dryopteris Marginalis?

A: Dryopteris Marginalis is hardy in USDA hardiness zones 3 to 8. If you live in a colder zone, you can overwinter it indoors by placing it in a cool and bright room. Make sure to water it sparingly during the winter months.

Related Plants

Here are some related fern species that you might be interested in:

• Dryopteris filix-mas (Male Fern)
• Dryopteris erythrosora (Autumn Fern)
• Dryopteris cycadina (Shaggy Shield Fern)
• Dryopteris goldiana (Goldie’s Fern)

References

• Missouri Botanical Garden. (n.d.). Dryopteris marginalis. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b956
• University of Wisconsin-Madison Division of Extension. (n.d.). Dryopteris marginalis. Retrieved from https://wimastergardener.org/article/marginal-wood-fern-dryopteris-marginalis/
• USDA Plants Database. (n.d.). Dryopteris marginalis. Retrieved from https://plants.usda.gov/core/profile?symbol=DRMA4