Frog spawn

Window

Typical: 20 Feb – 25 Mar (2026)

Water temp trigger

~6.0°C

Latitude range

50-52°N

Often triggered by late February full moon. Pond margins, shallow water.

Relevance to fishing

Spring trigger — once frogs are spawning, pike are usually on their own spawning move within a week or two and fishing becomes harder until April.

Phenology chain

Triggered by

• Snowdrop flowering typically 21d before (range 14 – 35d)