Pest identification
What's eating my king henry venus flytrap?
Spider mites
Signs: Yellow-grey speckling across trap lobes and petioles, fine webbing visible in dry conditions; vigorous traps slow or stop resetting
Control: Increase humidity, submerge pot in distilled water 48 hours weekly; apply insecticidal soap or neem oil to foliage and crown; repeat for 3–4 weeks
Fungus gnat larvae
Signs: Larval feeding on roots and rhizome causes sudden wilt and black basal rot even when watering is correct
Control: Apply BTi drench; quartz-sand top-dress deters oviposition; improve air circulation around the pot to reduce adult gnat activity
Aphids
Signs: Dense colonies on flower scapes and new growth; leaves distort and honeydew builds up attracting moulds
Control: Swab with isopropyl alcohol; remove flower stalks; a strong distilled-water rinse dislodges light infestations
Keep king henry venus flytrap pest-free
Healthy plants resist pests best. Get the basics right:
King Henry Venus flytrap pests — FAQ
What is eating my king henry venus flytrap?
King Henry Venus flytrap (Dionaea muscipula 'King Henry') is a large, vigorous cultivar grown indoors and still prone to all standard Dionaea pest pressures. Spider mites top the threat list, especially in winter indoor heat. Fungus gnats rot wet sphagnum roots; aphids cluster on the tall flower scapes in spring.
How do I get rid of spider mites on king henry venus flytrap?
Yellow-grey speckling across trap lobes and petioles, fine webbing visible in dry conditions; vigorous traps slow or stop resetting Increase humidity, submerge pot in distilled water 48 hours weekly; apply insecticidal soap or neem oil to foliage and crown; repeat for 3–4 weeks
How do I get rid of fungus gnat larvae on king henry venus flytrap?
Larval feeding on roots and rhizome causes sudden wilt and black basal rot even when watering is correct Apply BTi drench; quartz-sand top-dress deters oviposition; improve air circulation around the pot to reduce adult gnat activity
How do I get rid of aphids on king henry venus flytrap?
Dense colonies on flower scapes and new growth; leaves distort and honeydew builds up attracting moulds Swab with isopropyl alcohol; remove flower stalks; a strong distilled-water rinse dislodges light infestations