Master Gardener Dan Vierria advises on indoor plant care in Sacramento

Indoor Plant Care Realities in Sacramento

Indoor plants bring rooms to life and boost air quality, but keeping them healthy can be frustrating. There will be casualties, and your efforts may result in betrayal. All of us, no matter how experienced and diligent, will lose plants, according to Inside Sacramento.

The Dangers of Overwatering and Drainage Issues

Too much diligence encourages the major cause of plant decline and death: overwatering. Helicopter gardeners water things to death. The art of watering houseplants begins with knowing the water requirements of each plant and pot. Your pot needs a drainage hole.

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Festive greenery purchased at grocery stores, particularly poinsettias, feature decorative foil coverings designed to conceal standard black or brown plastic containers. Foil looks attractive but can cause premature plant death when drainage is blocked. Foil can be removed before water pools and rots plant roots, or you can punch holes in the foil to allow drainage. Alternatively, you can take the plastic container out of the decorative wrap, give the plant a drink, wait for excess water to completely escape, and then place it back inside the foil.

Managing Underwatering, Lighting, and Pests

A lesser threat of prematurely ending a houseplant’s life is underwatering. Some houseplants, like the popular snake plant, thrive with infrequent watering, but many prefer water more often. Dan Vierria, a University of California Cooperative Extension Master Gardener for Sacramento County, waters his snake plant every three weeks or so in spring and summer, and less often during winter. Plants that lack sufficient moisture take longer to exhibit signs of decline, and their odds of recovery are superior compared to those that receive too much water. Moisture meters help inform the times to water.

Indoor lighting requirements can also be challenging. Minimal light is needed for some popular houseplants, but Vierria has found that rotating them into brighter light areas or under grow lights for a few weeks is much appreciated. Beyond light and water, the houseplant pest lineup includes spider mites, aphids, mealybugs, and whiteflies. Most complaints concern fungus gnats, which are tiny, black flies that flutter about when disturbed and can be seen scurrying across surfaces. Overwatering invites fungus gnats, and moisture-loving larvae feed on plant roots and can spread diseases. You can successfully combat these bugs by letting the dirt dry out completely between watering sessions, deploying yellow sticky cards, or utilizing the organic biological insecticide Bti.