Iowa Soybeans 3% Blooming as of June 21, 2026

What changed

USDA's weekly crop progress survey for Iowa logged soybeans at 3% blooming for the week ending June 21, 2026. This marks the first notable reading for soybean blooming in the state this season — the crop is transitioning from vegetative growth into its reproductive stages.

Why it matters

Blooming is the first reproductive stage for soybeans (R1), and tracking when it begins helps frame the rest of the growing season. Once blooming starts, the crop's demand for moisture and nutrients shifts. For Iowa growers, knowing that 3% of the state's beans have hit this stage gives a reference point for comparing your own fields to the statewide pace. How quickly the rest of the crop follows into bloom over the next few weeks could affect yield potential down the road.

What to watch next

• Next week's USDA progress report — watch for how fast the blooming percentage climbs. A jump into double digits would signal the crop is moving along on schedule.
• Rainfall and soil moisture — adequate moisture during blooming and the pod-setting stages that follow is worth watching closely.
• Your own fields — compare your soybean development to this statewide number. If your beans are ahead or behind, local conditions may be driving the difference.

Source notes

• USDA NASS Quick Stats — Iowa soybeans, 3% blooming, week ending June 21, 2026. USDA NASS Quick Stats