Grow arrowhead plant (nephthytis) in low- or medium-light spots. Most varieties of this low-light houseplant can grow in brighter light, as long as they’re not exposed to too much direct sun, especially in hot-summer climates. Arrowhead plant can suffer from sunburn — white, bleached areas on the leaves — in direct sun.
Water arrowhead plant when the soil surface starts to dry. This plant likes to be on the moist side, but not wet or soggy.
Fertilizing arrowhead plant isn’t necessary, but if you’d like to, use a houseplant fertilizer in spring and summer following the directions on the product’s packaging. You do not need to fertilize arrowhead plant in winter.
Prune arrowhead plant any time you like. By pinching off new growth, you’ll encourage arrowhead plant to stay full and bushy instead of becoming a climbing vine.
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