
Black Shield Fern
Also known as
Shore Shield Fern
Taxonomy
Polystichum wawranum
Polystichum
Dryopteridaceae
Polypodiales

How to care for Black Shield Fern

How often to water your Black Shield Fern

every 7
Black Shield Fern needs 0.5 cups of water every 7 when it doesnāt get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
7

Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Black Shield Fern in your home

a window
Black Shield Fern love being close to bright, sunny windows š.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Black Shield Fern does not tolerate low-light š«.
Select your region to see how the current weather in your area affects the placement of Black Shield Fern in your home š”.

How to fertilize Black Shield Fern

Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Black Shield Fern after it doubles in size or once a yearāwhichever comes first.

Black Shield Fern is sensitive to dry soil and should be watered frequently. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Black Shield Fern requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive šŖ. Select your region to see how the current weather in your area affects the placement in your home š”.
Toxicity
Greg does not have confirmed data on this plantās toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, itās always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control atĀ US (800) 222-1222.Ā If a pet consumed this plant, contact your veterinarian or the ASPCA atĀ US (888) 426-4435.
Soil
Black Shield Fern is very sensitive to dry soil, so choose a potting soil that retains moisture. A good soil will still drain well and contain lots of organic matter such as coco coir or sphagnum moss.
Fertilizer
Black Shield Fern should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as itās refreshed yearly, you shouldnāt need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Care Summary for Black Shield Fern
Black Shield Fern
Greg recommends:

0.5 cups every 7 days

< 1ft from a window

Repot after 2x growth
Based on the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
