A grower wants to add a sundew (likely D. aliciae or spatulata) to a succulent terrarium for fungus gnat control. Asked if sundew can go directly in without overwatering succulents or underwatering sundew.
Can work: water around sundew only, little each time. But Pinguicula is better suited—similar watering cycle to succulents (water all together).
Sundews need constant moisture; succulents need dry-down. Pinguicula (especially Mexican species) bridge this gap better. Targeted watering around sundew is possible but high-maintenance.
Normal Fall Dormancy in Round-Leaf Sundew vs. Tropical Lance-Leaf Sundew
Vacation Watering Solutions for Sundews: No Magic Bullet
Late Summer Browning in Hybrid North American Sundew: Normal Dormancy Onset
Why Terrariums Fail for Temperate Carnivorous Plants
Recognizing Hibernacula in Temperate Sundews: Normal Dormancy for Drosera Filiformis
Growing Temperate Sundews: Terrarium vs. Outdoors
Drosera adelae Collapse: Tap Water Mineral Buildup Identified
Rescuing Mexican Pinguicula After Fungicide Damage in a Terrarium
Transitioning Sarracenia from Terrarium to Outdoors in Texas: Timing and Acclimation
Identifying a "Death Cube" Sundew: Likely Drosera spatulata Fraser Island Form
Identifying a Mystery Sundew: Drosera capensis 'Narrow Leaf'
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