Cobra Fern, Elkhorn Fern

Latin Name: Microsorum punctatum cristatum

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(144 Ratings)

Plant Type: Fern
Description: Dense tufted growth of long undivided leaves, sometimes crested and recurving at the top.
Origin: S.E. Asia
Environment: Suitable for the home or a greenhouse
Foliage: Yes
Flowering: No
Season:
Fragrant: No
Growing Ease: Requires a little extra care
Temperature: 60-85°F, 16-29°C
Humidity: High humidity
Lighting Needs: Does best in low to bright indirect sunlight coming from the North/East
Soil Type: Use a GOOD rich potting soil (a soil that retains water yet drains well), such as an African violet mix. If you want to mix your own take: 2 parts garden soil, 2 parts humus (leaf mold), 1 part coarse sand or perlite, 1 part rinsed aquarium charcoal chips and a little fine grade fir bark. Always use a pot with a hole.
Watering: Keep the soil barely moist and if you use rainwater, be careful as it could be acidic. Use warm water
Fertilizer: Feed weekly with water soluble fertilizer diluted by half. An alternative is a granular slow release fertilizer if applied annually in the early spring.
Plant Pests: Prone to mealy bugs Always inspect any new plant for pests before introducing it to your home or greenhouse.
Propagation: Division, spores in the spring. After dividing plant, pot in the plant's regular potting mix. Take spores from ripe spore cases on the undersides of the fronds. Put the spores in an envelope and allow to dry. Place a brick in a plastic box or pan and put 2 inches (5cm) of distilled water in it and cover the brick with a quarter inch of moist peat. Sprinkle spores on the peat and cover the container with a piece of glass or plastic. Be sure to maintain the water level. Place in low light, after a few months a green moss like growth should cover the peat. Eventually leaves will appear, divide and transplant after they are 2 inches (5cm) tall.
Gardening Tips & Care: Mist occasionally with warm water (lime free to avoid leaf staining).
Is Genus: No
Cobra Fern, Elkhorn Fern picture Cobra Fern, Elkhorn Fern, Microsorum punctatum cristatum

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