September

• Early corn being planted in northern Argentina, corn planting progresses southward.
• Sunflower planting begins.
• Wheat is in vegetative to heading phase.
• Temperatures in northern Argentina can be quite warm.
• Temperatures in central Argentina warming up to 70's-80 but cool spells still possible.
• Rainfall in the form of spring showers.

October

• This is the main corn planting month, especially in central Argentina.
• Finish sunflower planting.
• Begin early soybean planting in central Argentina.
• Wheat is moving from heading to grain filling phase.
• Temperatures warming up to the 80's or hotter.
• Rainfall can be variable.

November

• Corn planting finishes in central Argentina.
• Corn pollination starts in northern Argentina.
• Soybean planting at full steam.
• Wheat moving from grain filling to maturity.
• Sunflowers are flowering.
• Temperatures now at summertime levels, can have heat waves as well.
• Summertime rains usually become more abundant.

December

• Last corn planted in southern Argentina.
• Corn beginning to pollinate in central Argentina.
• Corn in northern Argentina moving from grain filling to maturity.
• Finish planting full season soybeans.
• Main month for harvesting wheat.
• Start planting double crop soybeans after wheat is harvested.
• Temperatures now approaching maximum summer highs.
• Rainfall usually abundant, but can have dry spells.

January

• Early corn in northern Argentina approaching maturity.
• Corn moving from pollination to grain filling in central Argentina.
• By end of month, some early corn and sunflowers are starting to be harvested.
• Finish wheat harvest by early January.
• Finish planting double crop soybeans by early January.
• Full season soybeans flowering and starting to set pods.
• Maximum summer temperatures.
• Summer rains usually abundant, but can have dry spells.

February

• More corn and sunflowers now being harvested.
• Corn in central Argentina entering grain filling phase.
• Full season soybeans setting and filling pods.
• Double crop soybeans flowering.
• Sunflower harvest in full swing.
• Temperatures can still be very hot, but starting to cool by end of month.
• Rainfall usually getting lighter.

March

• Corn harvest in full swing, much of the crop maturing.
• Main month for soybean pod filling.
• Harvest begins on early maturing soybeans.
• Temperatures cooling down.
• Rainfall getting lighter.

April

• Finish up most of the corn harvest.
• Full season soybean harvest in full swing.
• Start to plant winter small grain crops.
• Temperatures cooling to "fall-like" levels.
• Rainfall continues to get lighter.

May

• Finish harvesting full season soybeans.
• Begin harvesting early double crop soybeans.
• Main month for planting winter small grains.

June-July-August

• This is fall and winter in Argentina.
• Temperatures in northern Argentina are pleasant, temperatures in central Argentina are cool and frosts can be common, temperatures in southern Argentina are cold with snow possible.
• Winter rains can occur at any time.
• Finish planting winter small grain crops in June.
• Finish harvesting double crop soybeans in June.
• Farmers are actively marketing their grain and watching for selling opportunities due to potential weather problems in the U.S.
• Farmers are making plans for the next growing season and purchasing their inputs.