Back to top

2018 Apple Maturity Report

Printer-friendly version

2018 Apple Maturity Report

All observations from UMass Orchard, Belchertown, MA unless otherwise noted

Questions, comments: Jon Clements 413-478-7219

Note: target maturity indeces: red color, >50%; firmness, >14 lbs.; soluble solids, >12; DA, 0.60 to 0.40 for Honeycrisp, 0.65 for Gala, 1.00 for Golden Delicious, 1.15 to 1.00 for Red Delicious (higher DA = more "green"); starch index, 4-6.

date Cultivar pre-harvest drop fruit diameter inches color % red firmness lbs soluble solids DA Index starch index comments Image
10-Sept Snappy Mac McIntsosh few 3.2 55

16.7

12.8 NA 4 to 6 ready to start pick  
9-Sept Lindamac McIntosh few 3.2 65 14.8 12.1 NA 4 (3.5- 5.5) real nice crop, ready for 1st pick lindamac090918
9-Sept Honeycrisp some 3.6 60 14.6 13.9 0.65 6 (5-7) color lacking, but needs harvest soon hcr090918
date Cultivar pre-harvest drop fruit diameter inches color % red firmness lbs soluble solids DA Index starch index comments Image
4-Sept Lindamac McIntosh nil 3.2 55 16.6 11.1 NA 3.5 green, needs some cooler weather, look at again in a week
4-Sept Buckeye Gala none 3 90 18.8 13.6 0.30 3.5 to 6.5 gorgeous, ready to pick
4-Sept Honeycrisp nil 3.2 65 14.6 11.8 0.58 6.5 close, had some ReTain, but not sure if it is working yet? Many still with no red color, pict is best color
3-Sept Honeycrisp nil 3.4 70 16.9 14.1 0.66 5 (4 to 6) 1st pick on small trees based on color, including some 'Firestorm' Honeycrisp NA
3-Sept Royal Red Honeycrisp nil 3.2 55 16.8 13.2 0.59 6.5 (6 to 7) close to being ready to pick, color where red is deep red blush
date Cultivar pre-harvest drop fruit diameter inches color % red firmness lbs soluble solids DA Index starch index comments Image
27-Aug Akane nil 2.9 65 17 12 0.71 6 (5-7) somer rot, sunburn, heavy crop, 1 with watercore
27-Aug Buckeye Gala none 3 90 20 12.4 0.53 4 (3-6) pick in 5-7 days
27-Aug Ginger Gold none 3.3 NA 17 11.6 0.61 2-3 some water core, does not starch test well, needs to be picked ASAP
27-Aug Rubymac McIntosh none 3.2 85 17 11.6 1.93 2.5 despite red color not ready to pick, very tart, seeds white and not seeded well
27-Aug Zestar! some 3.4 35 14 13.1 0.65 4-5 what's left after 1st pick, color lacking, very large fruit with still heavy crop left to pick
22-Aug Sansa none 3 65 15.1 11.3 0.45 4 picked as of 8/27, nice look this year
22-Aug Ginger Gold none 3.2 NA 17.3 11.2 0.75 3 could start harvest, nice crop on young trees
22-Aug Premier Honeycrisp some 3.4 60 16.1 13 0.52 6 pick ASAP
22-Aug Paulared nil 3.2 65 19.5 12.8 1.15 3-4 light crop, with Apogee, not pretty
date Cultivar pre-harvest drop fruit diameter inches color % red firmness lbs soluble solids DA Index starch index comments Image
16-Aug Premier Honeycrisp some 3.1 35 15.9 12 0.52 5-7 some drop, could be 1st pick based on colore, but some fruit still quite green