Frost Damaged Alfalfa

There was an early break in alfalfa dormancy in early- to mid-March. In some areas, significant alfalfa growth (up to 6 – 8 inches or more) was frost damaged when colder  temperatures returned on March 30th (-7°C or colder). Damage was most severe in south­-western Ontario, on good healthy stands with early, aggressive growth. Ironically, […]

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Alfalfa Winter Injury

By early to mid April, the base of healthy alfalfa plants will have firm buds and numerous new green shoots with 2 to 5 inches (5 to 13 cm) of growth.  Damaged plants, on the other hand, will show no or minimal green-up.  Digging up plants and cutting the root open lengthwise is helpful in […]

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