Answer: Anthuriums grow best with day temperatures of 78 to 90 F, and night temperatures of 70 to 75 F. Temperatures above 90 F may cause foliar burning, faded flower color, and reduced flower life. Night temperatures between 40 to 50 F can result in slow growth and yellowing of lower leaves. Anthuriums will not tolerate frost or freezing conditions.
Anthuriums prefer a growing media that is coarse and well drained. The potting media should be of a peat moss base with a 1:1:1 ratio of peat moss, pine bark and perlite. The soil should be settled firmly around the roots and the root system should fill the pot before the plant is stepped up to a larger pot size.
While Anthuriums are able to handle dryness around the root ball, they need to be watered thoroughly and allowed to dry slightly before watering again. Allowing the plant to dry out will greatly slow down the growth cycle. Drying out can also cause the tip to burn and root damage, while over watering can also cause root damage and sudden yellowing of leaves.
Anthuriums as a rule (indoors) will take about as much light as you can provide them with - but not direct sunlight. Lower levels of light will slow down or stop flower production. Leaves emerging under lower light may stretch and/or become distorted.
Good luck with your plant!
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