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UW Fruit Program

PARS Phenology Report April 14, 2021

April 15, 2021April 15, 2021 |

By Rebecca Wiepz

Honeycrisp buds on seven-year-old trees are between silver and green tip at PARS right now.

Honeycrisp buds on seven-year-old trees are between silver and green tip at PARS right now.

Macintosh buds are approaching half inch green.

Macintosh buds are approaching half inch green.

Zestar, a notoriously early variety, is well on it’s way to half inch green.

Zestar, a notoriously early variety, is well on it’s way to half inch green.

Marquette buds are largely still dormant although some are approaching early bud swell.

Marquette buds are largely still dormant although some are approaching early bud swell.

Date: 4/12	2017	2018	2019	2020	2021	20-year avg.
Base 50	36	2	11	8.5	64	36

As of the 12^th we were 3-5 days ahead of the 20-year average for growing degree days. This led to a much earlier bud break, particularly in apples.

This article was posted in Apples, Door County Report, Grapes and tagged apple phenology, Apples, grape phenology, Grapes, Honeycrisp, Macintosh, Marquette, PARS, Rebecca Wiepz, Zestar.

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