Lodi, California / Brooks Cherry

Total GDD: 2163 (May 31)

Day 120 / 120 (100%)

Current Season

Total GDD: 2163 (May 31)

Method: 41°F

7-Day Daily Avg: 31.7

7-Day Projection: 2385 by Jun 07

Season: Feb 01, 25 - May 31, 2025

Key Freeze Dates (32°F)

Last Freeze:
10%: 01-08
50%: 02-18
90%: 03-10

First Freeze:
10%: -- (rarely occurs)
50%: -- (rarely occurs)
90%: -- (rarely occurs)

Growing Degree Days (GDD) track heat accumulation to predict when plants reach growth stages, pests emerge, and diseases become active.

Thresholds mark specific GDD values when events typically occur, with crossing dates showing when your season reaches each milestone.

Visit About and FAQ to learn more

Thresholds & Notes

Bud Swell 150 °D

Feb 17, 2025 | Feb 16, 2024 | Feb 21, 2023

Growth Stage

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Apply dormant oil + copper if not done. Remove bee hives from cold storage.

Pink Bud 300 °D

Feb 28, 2025 | Feb 27, 2024 | Mar 14, 2023

Growth Stage

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Rally or Pristine for brown rot. Place bee hives (8-10 hives/acre).

Full Bloom 400 °D

Mar 9, 2025 | Mar 7, 2024 | Mar 22, 2023

Growth Stage

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No sprays during bee flight. Monitor for 8+ hours >60°F for pollination.

Petal Fall 500 °D

Mar 17, 2025 | Mar 14, 2024 | Apr 1, 2023

Growth Stage

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Fontelis + Captan application. Start degree-day model for spotted wing drosophila.

Shuck Split 700 °D

Mar 30, 2025 | Mar 26, 2024 | Apr 15, 2023

Growth Stage

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Begin 4-6 day irrigation sets. Target 85% field capacity.

Straw Color 1000 °D

Apr 15, 2025 | Apr 15, 2024 | Apr 29, 2023

Growth Stage

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Install bird deterrents. Test brix - target 14% minimum at harvest.

Brooks/Coral Harvest 1300 °D

May 1, 2025 | Apr 29, 2024 | May 14, 2023

Growth Stage

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Schedule crews 7 days advance. Reserve hydrocooler time slots.

Rainier Harvest 1550 °D

May 10, 2025 | May 10, 2024 | May 22, 2023

Growth Stage

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Color pick only >30% blush. Bruising peaks above 65°F fruit temp.

Bing Harvest 1600 °D

May 12, 2025 | May 12, 2024 | May 24, 2023

Growth Stage

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Size samples daily. Pick at 11+ row, leave 10.5 for second pick.

Late Cleanup 1900 °D

May 23, 2025 | May 22, 2024

Growth Stage

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Strip pick remaining. Schedule post-harvest ethephon if needed.