Hendrickson
The Hendrickson is the signal hatch of early spring in the Northeast — a sign that the season has truly begun. Emerging midday when water temperatures hit the mid-40s°F, Hendricksons bring fish to the surface for the first time after winter.
Top fly patterns
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Month-by-month activity
Number of rivers where the Hendrickson hatch is active each month.
Rivers where Hendrickson hatches
How to fish the Hendrickson
Hatch timing is water-temp driven: look for emergence between noon and 3pm. A size 12–14 Parachute Hendrickson or traditional Hendrickson dry works for duns. The Red Quill pattern covers the male. Nymph in the morning with a soft-hackle.
Frequently asked
When does the Hendrickson hatch?
Peak emergence: April, May. Timing varies by elevation, latitude, and water temperature.
What flies match the Hendrickson hatch?
Top patterns: Hendrickson Dry (size 12-14).
What rivers have a good Hendrickson hatch?
Hendrickson hatches are documented on 18 rivers including: Farmington River, Housatonic River, Salmon River, Willimantic River, Naugatuck River and 13 more.
How do I fish the Hendrickson hatch?
Hatch timing is water-temp driven: look for emergence between noon and 3pm. A size 12–14 Parachute Hendrickson or traditional Hendrickson dry works for duns. The Red Quill pattern covers the male. Nymph in the morning with a soft-hackle.
What is the Hendrickson?
The Hendrickson is the signal hatch of early spring in the Northeast — a sign that the season has truly begun. Emerging midday when water temperatures hit the mid-40s°F, Hendricksons bring fish to the surface for the first time after winter. Family: Mayfly (Ephemerellidae).
Related
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