Oak Catkins: Male Flowers Making Acorns

Function

Long "worms" = male catkins. They release pollen to fertilize tiny female flowers → acorns. Both sexes on same tree. Messy but essential.

Trees: Tarmac Around Oak Trees Causes Root Suffocation and Bark Loss; Storing Acorns for Planting: Keep Them Cool and Dry; Oak Tree Fungus Management: Drainage and Cultural Controls; Oaks Falling with Internal Decay: Hazard Tree Assessment Needed; Oak Trunk Decay: Management and Structural Support; Transplanting Young Oaks in Mid-September: Wait for Leaf Drop; Oak Thinning for Acorn Production: Wildlife Management Guide; Oak Catkins: The "Tassels" Dropping in Spring; "Flowering Oak" Is Likely a Tuliptree; Oak Tree "Tendrils" Are Male Flowers—Great for Compost

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