Eichhorn-Lorenz Phenological Stages
Edith Byrne, Association Program Educator I
Lake Erie Regional Grape Program
January 20, 2013
Eichhorn-Lorenz Phenological Stages:
- (1) Winter dormancy
- (2) Bud swelling
- (3) Wool (doeskin stage)
- (5) Bud burst
- (6) Green shoot
- (7) First leaf unfolded
- (9) 2 to 3 leaves unfolded
- (12) 4 to 6 leaves unfolded; inflorescence clearly visible
- (15) Inflorescence elongating; flowers closely pressed together
- (17) Inflorescence fully developed; flowers separating
- (19) Beginning of flowering; first caps falling
- (21) Early flowering; 25% of caps fallen
- (23) Full flowering; 50% of caps fallen
- (25) Late flowering; 80% of caps fallen
- (27) Fruit set; young fruits beginning to swell
- (29) Berries small; bunches begin to hang (4-6 mm)
- (31) Berries pea-sized; bunches hang (7-10 mm)
- (33) Beginning of berry touch
- (35) Beginning of berry ripening
- (38) Berries ripe for harvest
Upcoming Events
LERGP Pesticide Calibration Service
April 1, 2025
April 30 - May 1, 2025May 30, 2025
June 2, 2025
June 30, 2025
Pesticide Calibration service to growers on a first come first serve basis.
2025 NYSDEC How to Get Certified Course
April 2, 2025 : NYSDEC How to Get Certified Training Course and Exam Registration
Portland, NY
NYSDEC training course in preparation to take the pesticide applicator exam
LERGP Coffee Pot Meeting
May 7, 2025
Forestville, NY
Come join us for timely and pertinent vineyard discussion, coffee, donuts and camaraderie.
Announcements
Lake Erie Regional Grape Program - Cornell Cooperative ExtensionYour Trusted Source for Research-Based Knowledge
