Botanic Garden >> Gardening > >> Question and Answer >> Plant Species >> Carnivorous Plants

Preventive Pyrethrin Spraying: Waste of Time

Pyrethrin degrades in 24 hrs under UV. Preventive spraying does nothing. Save for actual infestations. Monitor, hand-remove pests first, spray only if needed.

Nursery practice: scout regularly, spray only when aphids seen.

Carnivorous Plants: Buddha's Hand Citrus Leaf Drop and Orchid Reblooming; 'F.J. Grootendorst' Rugosa Rose: Zone 5 Hardiness, History, and Runner Habit; Rescued Venus Flytrap in Sphagnum: Leave Alone Until Spring Repotting; Cephalotus Rescue: Ventilation Is Critical; Pyrethrin Spray Damage on Carnivorous Plants; Venus Flytrap Root Pruning and Dome Acclimation; Pygmy Sundew Gemmae: Harvest, Sow, and Mother Plant Care; Cephalotus Unpacking: Minor Root Disturbance Is Fine; How to Deadhead Daylilies: Remove Flower and Seed Pod; Crape Myrtle Pruned in Spring: Buds Removed, Bloom Delayed

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