Gristle Fern
Also known as
Blechnum cartilagineum appendiculatum, Blechnum cartilagineum normale, Blechnum cartilagineum tropicum, Blechnum cartilagineum woodwardioides and Spicanta cartilaginea
Taxonomy
Oceaniopteris cartilaginea
Oceaniopteris
Blechnaceae
Polypodiales
How to care for Gristle Fern
How often to water your Gristle Fern
every 7
Gristle Fern needs 0.5 cups of water every 7 when it doesn’t 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
Finding light for Gristle Fern in your home
a window
Gristle Fern may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.
Place it less than 3 feet from a south-facing window to maximize the potential for growth.
Select your region to see how the current weather in your area affects the placement of Gristle Fern in your home 🏡.
How to fertilize Gristle 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 it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Gristle Fern after it doubles in size or once a year—whichever comes first.
Care Summary for Gristle Fern
Gristle Fern
Greg recommends:
Water
0.5 cups every 7 days
Placement
< 3ft from a window
Nutrients
Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.
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