Shumard Oak Acorn Production: Timing, Quantity, and Variability

When and How Many Acorns from Shumard Oak?

Shumard oak (red oak group) acorn facts:

First seed crop: ~25 years old.
Peak production: ~50 years.
Interval: Good crops every 2–3 years.
Maturation: 15 months (two seasons).
Variability: High—depends on spring weather (pollination, frost), summer drought, weevils, and individual tree genetics.
Average: Good crop 1 year in 3–4.

At 20+ years, your trees may just be starting. Expect irregular, not annual, production.

Trees: Red Oak Distress After Lawn Aeration: Root Damage Likely Cause; Red Oak Losing Limbs in Summer: Drought Stress, Not Borers; Oak Thinning for Acorn Production: Wildlife Management Guide; Oak Dropping Small Acorns and Leaf Tips: Drought and Twig Girdler; Gambel Oak Acorn Weevil: Soil Systemic for Edible Acorns; Precocious Acorn Production on Young Live Oaks: Genetic Variation; Decay Fungus Conks on Red Oak: Not an Emergency; Acorn Production: Not Just Oaks, and Early in Landscapes; All About Acorns: The Fruit of the Oak Tree; Sawtooth Oak Identification: The "Mop-Head" Acorn Culprit

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