Crystal Anthurium (Anthurium crystallinum) Indoor Care, Propagation, Problems and Solutions

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Anthurium crystallinum or Crystal Anthurium is an eye-catching foliage Anthurium species whose heart-shaped leaves are velvety on the surface and the leaf color changes from bronzy-purple to deep-green with age.

The foliage hangs vertically, displaying the prominent silvery veins. Under good light, the silvery veins reflect light like crystals and hence the name "Crystal Anthurium".

Crystal Anthurium is a spectacular plant in any space and it has gained the Royal Horticultural Society's Award of Garden Merit.

Anthurium crystallinum is widely bred, cultivated and hybridised. It is often mistaken for Anthurium clarinervium and Anthurium magnificum both of which look similar though they differ in size and leaf presentation.

Anthurium crystallinum flourishes in bright, indirect light (partial shade), warm and humid conditions and consistently moist, rich, free-draining potting mix with monthly feeding during the growing season.

crystal Anthurium, Anthurium crystallinum

Botanical name: Anthurium crystallinum
Family: Araceae
Common name: Crystal Anthurium

Origin

Anthurium crystallinum is native to the tropical regions of Panama to Peru where it grows as an epiphyte on trees.

Size

Anthurium crystallinum grows to a height of 90 cm. The leaves are held on 70 cm long round petioles and can be 50 cm long and 40 cm wide.

Flower

The inflorescences Crystal Anthurium are green spathes with a pale-green spandix. This plant flowers through out the year.

Toxicity

Crystal Anthurium like other Anthuriums is toxic to both humans and pets.

The plant contains oxalate crystals which can cause digestive distress, breathing problems and skin irritation. Always wear gloves when handling Crystal Anthurium and wash your hands thereafter.

Where to Buy

Are you looking to add Anthurium crystallinum to your collection? Beautiful plants are available online on Etsy.

Buy Anthurium crystallinum online from Etsy

Anthurium crystallinum Care Indoors

Anthurium crystallinum (Crystal Anthurium) prefers bright, indirect light away from direct sunlight, warm and humid conditions and consistently moist, rich, well-drained soils coupled with monthly feeding during the growing season.

Crystal Anthurium requires pruning to keep it neat and tidy as well as reduce pest and disease infestations. Repotting is only needed when it becomes pot-bound. Continue reading for a detailed account on these growing conditions and how to achieve them.

Watering

Water Crystal Anthurium thoroughly during the growing season while allowing the top 1-2 in. of soil to dry out between waterings and keep soil consistently moist.

Decrease watering in the cold season as growth is reduce to maintain the soil slightly moist but do not let the soil dry out completely.

Use tepid, chlorine-free water as the plant is sensitive to chlorine and other chemicals dissolved in water. Avoid wetting the foliage as it can lead to fungal diseases.

Ascertain that the pot has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot and eventual loss of the plant.

Light Requirements

Anthurium crystallinum grows best in bright, indirect light away from direct sunshine as it can scorch the leaves.

Rotate the pot regularly to ensure that the plant receives light on all sides for even growth.

Where the natural lighting is not adequate, consider investing in grow lights to supplement it inorder to promote a lush growth. Take a look at these full spectrum grow lights available on Amazon.

Temperature and Humidity

Crystal Anthurium requires an average warmth within the range of 16-27⁰C inorder to thrive. Keep it away from cold drafts to prevent sudden changes in temperature. Check out this guide on understanding temperature for houseplants.

Anthurium crystallinum thrives in high humidity of 60-80%. Increase humidity by setting the pot on a wet pebble tray or use a cool mist humidifier.

Clean the leaves by damp-wiping with a soft cloth to get rid of dust. Do not leave water drops on the leaves as it may cause fungal diseases infestations.

Fertilizer

Feed Cyrstal Anthurium every 4 weeks during the growing period with a balanced, liquid fertilizer for lush growth.

Stop feeding in the cold season as growth is minimal and feeding at this time can lead to fertilizer burn.

Flush out accumulated salts from the soil regularly by running a stream of water through the soil until the water comes out through the drainage hole. Allow it to run for a few minutes and repeat the process several times.

Potting Mix

The best potting mix for Crystal Anthurium should be rich in organic matter and free-draining to prevent it from getting soggy while providing the required nutrients.

Potting mixes designed for aroids are ideal for Anthurium crystallinum. Buy quality Aroids Potting Mix online from Amazon.

Repotting

Repot Anthurium crystallinum every 2 years at the beginning of the growing season. Use a pot one-size larger and free-draining soil that is rich in organic matter.

Make sure that the pot has drainage holes to avoid getting soggy soil as it can lead to root-rot and eventual death of the plant. Check out these Ceramic Planters with Drainage Hole and Saucer on Amazon.

Pruning

Pruning Anthurium crystallinum is easy. Remove yellow and dead leaves to maintain the plant neat as well as reduce pest and disease infestations.

Cut the leaves at the base of the stem with a sharp sterlized knife or clean pair of scissors to avoid unnecessary injuries which can lead to disease infestations. Cut away any wayward leaves to maintain the shape of the plant.

Propagation

Crystal Anthurium (Anthurium crystallinum) can be propagated during the growing season from splits by plant division. Below is an outline on propagation by plant division.

How to propagate Crystal Anthurium by plant division

Water the Crystal Anthurium thoroughly at least 1 day before to make it easier to divide and also hasten establishment. A well hydrated plant suffers less shock and takes a shorter time to take root.

Take the plant out of its pot and carefully divide it into sections by pulling apart the roots. Ensure each section has adequate roots to hasten establishment.

Select a 6 or 8 in. pot and ensure that the pot has a drainage hole to prevent the soil from getting soggy as it can lead to rotting.

Fill the pot with loose, free-draining potting mix and make a hole in the center of the pot. Ensure that the hole is slightly wider than the root base of the section.

Place the section in the previously made hole and lightly firm the soil around the base while taking care not to bury it too deep; maintain the section at the same soil level it was in the previous pot.

Water the soil thoroughly and place the set up in a well-lit, warm place until the new Anthurium crystallinum is well established after which you can begin routine care.

Anthurium crystallinum Problems

Crystal Anthurium (Anthurium crystallinum) problems include yellow leaves, brown leaf tips, brown leaf spots, drooping leaves, pests and diseases among others. Read on for more on these problems, their remedies and solutions.

Yellow leaves

There are two causes of yellow leaves in Anthurium crystallinum. One cause of yellow leaves is soggy soil.

Maintain the soil moist but not soggy. Ensure that the pot has a drainage hole and the soil is free-draining to prevent the soil from getting soggy.

The second cause of yellow leaves in Crystal Anthurium is cold draughts (cold air). Protect the plant from cold draughts or place it away from windy doors and windows.

Brown leaf tips

Two reasons are responsible for brown leaf tips in Anthurium crystallinum. One reason for brown leaf tips is that the air is too dry.

Set the pot on a wet pebble tray or use a cool mist humidifier to raise humidity.

The second reason for brown leaf tips in Crystal Anthurium is soggy soil. Maintain the soil moist but not soggy by ensuring that the pot has a drainage hole and the soil is free-draining (drains easily).

Brown leaf spots

The brown leaf spots are sunburn marks caused by exposure of Crystal Anthurium to direct sunlight. Move the plant to a shaded place or use a curtain to filter the light.

Drooping leaves and stems

There are four causes of drooping leaves and stems in Anthurium crystallinum. One cause of drooping leaves is low humidity.

To elevate humidity, set the pot on a wet pebble tray. Read more on how to raise humidity for houseplants.

The second cause of drooping leaves and stems in Crystal Anthurium is incorrect watering, either underwatering or overwatering.

Maintain the soil moist at all times during the growing season and never allow the soil ball to dry out completely.

The third cause of drooping leaves and stems in Crystal Anthurium is too high temperature due to exposure to direct sunlight.

Protect the plant from direct sunlight by filtering the light with a sheer curtain.

The fourth cause of drooping leaves and stems in Crystal Anthurium is pests and diseases infestation. Regularly inspect your plant and take control measures for these pests (see below).

Pests

The common pests in Anthurium crystallinum are Red Spider Mites, Aphids and Fungus Gnats. Isolate the affected plant to prevent spread to other plants and treat it with Neem oil or Insecticidal Soap as per the manufacturer's instructions.

Diseases

Crystal Anthurium is prone to root-rot disease which is more prevalent in soggy soil brought about by poor soil drainage.

To prevent root-rot disease, maintain the soil moist but not soggy by ensuring that the pot has a drainage hole and the soil is free-draining (drains easily). Read on how to treat root-rot disease in houseplants.