Author

Douglas Walker

At a university research greenhouse in Albuquerque, New Mexico, Douglas Walker, CPH, oversees living botanical collections used in academic plant research. He manages climate systems, nutrient delivery, and propagation for delicate orchids and aroids housed in specialized research glasshouses. Walker received an undergraduate degree in plant biology and a master of science in botany. In addition to his campus greenhouse duties, he contributes regularly to Biology Insights.

Common Phalaenopsis Orchid Leaf Problems and Solutions Houseplants
Should You Cut Off Yellow Orchid Leaves?Houseplants
Why Are My Orchid Leaves Turning Brown?Houseplants
How to Start a Snake Plant From a Leaf Houseplants
When to Water Orchids in Bloom Houseplants
Do Orchids Die in the Winter?Flowers
How to Propagate a Pitcher Plant Botany
How to Prop a String of Pearls for Fuller Growth Houseplants
Where to Buy Cattleya Orchids and What to Look For Flowers
When Do Orchids Go Dormant and How Should You Care for Them?Houseplants
When to Fertilize Phalaenopsis Orchids Houseplants
Where to Cut an Orchid Stem After Blooms Fall Off Houseplants
How to Look After Orchids: A Complete Care Guide Houseplants
Is Garlic Good for Orchids? Benefits and Risks Flowers
Do Orchids Need Humidity? Optimal Levels Explained Houseplants
How to Care for Cattleya Orchids Houseplants
How Are Orchids Grown? From Environment to Watering Flowers
Are Grow Lights Good for Orchids?Houseplants
Can Orchids Grow Inside? A Guide to Indoor Care Houseplants
How to Grow an Orchid: A Step-by-Step Care Guide Houseplants
How to Tell If Your Orchid Is Dead Houseplants
How to Care for Orchids With Ice Cubes Houseplants
How to Grow an Orchid in Water Houseplants
How to Get Rid of Scale on Orchids Houseplants
Why Is My Orchid Dying From the Top Down?Houseplants
Why Are My Phalaenopsis Orchid Leaves Turning Yellow?Houseplants
Are Orchids Acid Loving Plants? The Truth About pH Houseplants
Why Did My Orchid Leaves Fall Off?Houseplants
What Is the Best Fertilizer for Orchids to Bloom?Gardening
How to Save an Orchid With Root Rot Houseplants